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Page 1 of 170
SECURITY PAPER MILL, HOSHANGABAD-461005(M.P.) (A unit of Security Printing & Minting Corporation of India Ltd.)
Wholly owned by Government of India
TENDER DOCUMENT FOR
PAPER MACHINE-5 AIR CONDITIONING SYSTEM
DESIGN, SUPPLY, INSTALLATION, ERECTION & COMMISSIONING ON TURNKEY BASIS
Page 2 of 170
Not Transferable Security Classification: Non-Security Item
TENDER DOCUMENT FOR “AIR CONDITIONING SYSTEM-DESIGN, SUPPLY, INSTALLATION & COMMISSIONING ON TURNKEY BASIS ” .
Tender No. 14(11B)/140TR/PM5/12-13/ Advt. No.36/810 dated 09.06.2012 This Tender Document Contains 170 + 5(drawings) +4(preferred makes list ) = 179 Pages.
Tender Documents is sold to:
M/s
_______________________ Address
Details of Contact person in SPM regarding this tender:
Name, Designation : Shri. Rajkumar R Officer Materials
Address : Security Paper Mill
Hoshangabad M.P-461005
Phone : 07574-279847, 07574-279791
Fax : 07574-255170
Email : [email protected]
Page 3 of 170
C O N T E N T S
SECTION DESCRIPTION NO. OF SHEETS
Section I Notice Inviting Tender (NIT) 02
Section II General Instruction to Tenderers (GIT) 32
Section III Special Instruction to Tenderers (SIT) 03
Section IV General Conditions of Contract (GCC) 28
Section V Special Conditions of Contract (SCC) 05
Section VI List of Requirements 23
Section VII Technical Specifications 113
Section VIII Quality Control Requirements 07
Section IX Qualification / Eligibility Criteria 01
Section X Tender Form 01
Section XI Price Schedule 01
Section XII Questionnaire 01
Section XIII Bank Guarantee Form for EMD 01
Section XIV Manufacturer’s Authorization Form 01
Section XV Bank Guarantee Form for Performance Security 01
Section XVI Contract Form 02
Section XVII Letter of Authority for attending a Bid Opening 01
Section XVIII Shipping Arrangements for Liner Cargoes 01
Section XIX Proforma of Bills for Payments 01
Section XX Drawings 05
Page 4 of 170
(Section – I) NOTICE INVITING TENDER (NIT)
Tender No. 14(11B)/140TR/PM5/12-13/Advt. No.36/810 Dated: 09.06.2012 1. Sealed tenders are invited from eligible and qualified tenderers for supply of following goods & Serv ices:
Schedule No.
Brief Description of Goods/ services
Quantity (with unit)
Earnest Money (in Rs.)
1.
Design, Supply, Installation, Erection & Commissioning of PM-5 Air Conditioning System as per List of Requirement section VI on turn key basis
As per List of Requirements
Rs. 5,00,000/-
(Rs. Five lakhs)
Type Of Tender
Single Stage (Three Packet) National Competitive Bidding
Tender Cost Rs. 1000/- (Rs. One Thousand Only) Date and time of Pre-bid conference 16.07.2012 at 11.00 AM Place of Pre-bid conference Security Paper Mill, Hoshangabad Closing date and time for receipt of tenders Up to 11.00 Hrs till 3.08.2012 Place of receipt of tenders Security Paper Mill, Hoshangabad
Time and date of opening of tenders 11.30 Hrs On 3.08.2012
Place of opening of tenders Security Paper Mill, Hoshangabad
Nominated Person/Designation to r eceive Bulky Tenders Officer – Materials
2. Interested tenderers may obtain further information about this requirement from the Purchase
section, Security Paper Mill, Hoshangabad. They may also visit our website mentioned above for further details.
3. Tender documents may be purchased on payment of non-refundable fee of Rs. 1000/- per set in
the form of account payee demand draft/ cashier’s cheque/ certified cheque, drawn on a
Page 5 of 170
scheduled commercial bank in India, in favor of General Manager, Security Paper Mill payable at Hoshangabad.
4. If requested, the tender documents will be mailed by registered post/speed post to the domestic Tenderers, for which extra expenditure per set will be Rs. 100/- (Rupees Hundred) for domestic post. The tenderer is to add the applicable postage cost in the non-refundable fee mentioned in para 3 above.
5. Tenderers may also download the tender documents from the web site
http://spmhoshangabad.spmcil.com & http://eprocure.gov.in and submit its tender by utilizing the downloaded document along with the required non-refundable fee as mentioned in Para 3 above.
6. Tenderers shall ensure that their tenders, duly sealed and signed, complete in all respects as per
instructions contained in the Tender Documents, are dropped in the tender box located at the address given below on or before the closing date and time indicated in the para 1 above, failing which the tenders will be treated as late and rejected.
ADDRESS:- The General Manager, Security Paper Mill, Hoshangabad - 461 005 (M.P.) India.
7. In the event of any of the above mentioned dates being declared as a holiday/ closed day for the purchase organization, the tenders will be sold/ received/ opened on the next working day at the appointed time.
8. The tender documents are not transferable.
(Vijay B Sharma) Chief Purchase & Stores Officer
For and on behalf of The General Manager Security Paper Mill, Hoshangabad, M.P-461 005
Ph. No: 07574-279791, Fax No: 07574-255170
Page 6 of 170
(Section – II)
GENERAL INSTRUCTIONS TO TENDERERS (GIT)
Kindly refer http://spmhoshangabad.spmcil.com/spmcil/uploaddocument/GIT.pdf for further details. (GIT contains 32 Pages)
.
Page 7 of 170
(Section –III)
SPECIAL INSTRUCTION TO TENDERER
The following special instructions to tenderers will apply for this purchase. These special instructions will modify/ substitute/ supplement the corresponding General Instructions to Tenderers (GIT) incorporated in Section II. The corresponding GIT clause numbers have also been indicated in the text below. In case of any conflict between the provision in the GIT and that in the SIT, the provision contained in the SIT shall prevail.
Sl. No.
GIT Clause No.
Topic SIT Provision
1. 8 Pre Bid Conference 1. 2. 18 Earnest Money Deposit (EMD) 2. 3. 19 Tender validity 3. 4. 21 Submission of Tenders 4. 5. 43 Parallel Contracts 5. 6. 33 Evaluation Criteria FOR L1 BIDDER 6. 7. 21.1, 24.1 Corrections in GIT Clauses 7. 8 Coordination with Statuary Bodies &
outside Agencies 8
1. PRE-BID CONFERENCE
Pre-bid conference will be held on 16.07.2012.at 11 AM for this tender at SPM Hoshangabad. Contractor should send the list of queries at least one week before the date of pre-bid meeting to SPM.
2. EARNEST MONEYDEPOSIT (EMD)
Tender should be accompanied with Earnest Money Deposit (Non-interest bearing) of Rs. 5, 00, 000/- (Rs. Five lakhs only) in the forms as given below.
a) Account Payee Demand Draft or b) Fixed Deposit Receipt or c) Banker’s cheque
The demand draft, fixed deposit receipt or banker’s cheque shall be drawn on any scheduled commercial bank in India, in favor of Account specified in the Clause 3 of NIT. The earnest money shall be valid for a period of forty five days beyond the validity period of the tender.
3. TENDER VALIDITY
3.1 The tender shall remain valid for acceptance for a period of 165 days after the date of tender opening prescribed in the tender document. Any tender valid for a shorter period shall be treated as unresponsive & rejected.
3.2 In exceptional cases, the tenderers may be requested by SPM to extend the validity of their
tenders up to a specified period. Such request(s) and responses thereto shall be conveyed by surface mail/E-mail/Telex/Cable followed by surface mail. The tenderers, who agree to extend the tender validity, are to extend the same without any change or modification of their original tender and they are also to extend the validity period of the EMD accordingly.
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3.3 In case the day up to which the tenders are to remain valid falls on/ subsequently declared a holiday or closed day for SPM, the tender validity shall be extended upto the next working day.
3.4 Compliance with the clauses of this Tender document:
Tenderer must comply with all the clauses of this tender document. No deviations with any of the clauses of this tender are permitted to the bidder.
4. SUBMISSION OF TENDERS:
Pre-Qualification bid, Technical bid and financial bid are to be submitted in three separate doubled sealed envelopes on or before the due date of submission of tenders. It may be noted that the price is not to be quoted either in the pre-qualification or in technical bid. It shall only be quoted in price bid. Non-adherence to this shall make tender liable for rejection. The envelopes containing bids shall be superscribed “Pre-qualification bid”, “Technical bid”, “Price bid”, as the case may be, for “AIR CONDITIONING SYSTEM, DESIGN, SUPPLY, INSTALLATION & COMMISSIONING ON TURNKEY BASIS.” The sealed envelopes shall be again be put in another sealed cover and should be superscribed “AIR CONDITIONING SYSTEM, DESIGN, SUPPLY , INSTALLATION & COMMISSIONING ON TURNKEY BASIS.” due on 3.08.2012 up to 11:00 Hrs (IST). Late tenders shall not be accepted. Tenderers shall submit their offers only on prescribed forms. Tender by Telegram/Fax/E-mail shall not be accepted. Tender by Post/Hand/courier received on or before the due date and time shall be accepted. Postal delay/ delay by courier service etc. shall not be condoned.
4.1 Tenders shall be submitted in parts as below :- PART – I –PRE-QUALIFICATION BID i) Containing un-priced tender consisting of complete Qualification/ Eligibility of the tenderer
as per the format specified under Section I X in this document. ii) One original and one duplicate copy shall be submitted. It should not have any price
aspects. iii) Earnest Money Deposit. iv) Power of Attorney/authorization with the seal of the company of person signing the tender
documents. v) Tender document fee Rs.1,000/- vi) Manufacturer authorization form if the bidder is not manufacturer.
PART – II - TECHNO-COMMERCIAL BID i) The tenderer shall submit detailed technical offer as per Technical Specifications as per
Section VII of this tender document. ii) The tenderer has to submit acceptance of all sections of this tender document (GIT, SIT,
SCC, Quality control requirements, Tender form, Questionnaire, etc.,) iii) One original and one duplicate copy shall be submitted. iv) Containing un-priced tender consisting commercial package including all terms and
conditions. No price details to be given in this tender. v) Containing Blank price Bid (No price details to be given in this tender.
PART- III - PRICE BID: The tenderers shall quote the prices strictly as per the proforma given in Section – XI of the tender document. No additional/extra item with prize should be included other than that of section XI. If any that particular item will not be consider for evaluation.
5 PARALLEL CONTRACTS
No parallel contracts shall be awarded for this tender.
Page 9 of 170
6 EVALUATION CRITERIA FOR L1 BIDDER
The pre-qualification bids are to be opened in the first instance, at the prescribed time and date. These bids shall be scrutinized and evaluated by the competent committee/ authority with reference to the parameters prescribed in the eligibility criteria. Thereafter, in the second stage, the technical bids of only pre-qualified bidders (as decided in the first stage) shall be opened at a later date and time for further scrutiny and further evaluation. These bids shall be scrutinized and evaluated by the competent committee/ authority with reference to the parameters prescribed in the tender document. Subsequently, in the third stage the financial bids of only the technically acceptable offers (as decided in the second stage shall be opened for further scrutiny and evaluation. Intimation regarding to opening of technical and financial bids shall be given to acceptable Tenderers to enable them to attend the technical and financial bid opening, if they so desire. The method of evaluation of L1 bidder for awarding the Contract shall be on consolidated grand total offer by the bidder and will be decided taking into consideration of the total offered price including (A+B) as per Section-XI (Price schedule) of this tender document.
7 CORRECTIONS in GIT Clauses
GIT CLAUSE WRITTEN AS IN GIT CORRECTED AS IN SIT 21.1 In 3rd line of procurement manual the
words “Para 11 of NIT” “Para 1 of NIT”
21.1 In 6th line of procurement manual the words “Clause 11 of NIT”
“Clause 1 of NIT”
24.1 In 2nd line of procurement manual the words “Clause 11 of NIT”
“Clause 1 of NIT”
8 CO-ORDINATION WITH STATUTORY BODIES AND OUTSIDE AGENCIES
The Contractor shall be fully responsible for carrying out all co-ordination & liaison work as may be required with Electrical Inspector, Factory Inspector & other statutory bodies for implementation of the work. The application on behalf of the Owner for submission to the Electrical Inspector & other statutory bodies along with copies of drawings complete in all respects shall be done by the Contractor & approval/certificates taken well ahead of time so that the actual commissioning of equipment is not delayed for want of inspection and approval by the Inspector & statutory bodies(If required). However, official fees paid to Electrical Inspector / other statutory bodies, etc. in this regard shall be borne by the Owner.
Page 10 of 170
(Section – IV)
GENERAL CONDITIONS OF CONTRACT (GCC)
Kindly refer http://spmhoshangabad.spmcil.com/spmcil/uploaddocument/GCC.pdf for further details. (GCC contains 28 Pages)
Page 11 of 170
(Section – V)
SPECIAL CONDITIONS OF CONTRACT (SCC)
The following Special Conditions of Contract (SCC) will apply for this purchase. The corresponding clauses of General Conditions of Contract (GCC) relating to the SCC stipulations have also been incorporated below. These Special Conditions will modify/ substitute/ supplement the corresponding (GCC) clauses. When ever there is any conflict between the provision in the GCC and that in the SCC, the provision contained in the SCC shall prevail.
Sl. No GCC Clause No. Topic SCC Provision
1 1 Abbreviations – in conjunction with GCC 1
2 9 Inspection and Quality Control 2
3 11.2 Transportation of Domestic Goods 3
4 12 Insurance 4
5 14 Incidental Services 5
6 16 Warranty 6
7 21.2 Taxes and Duties 7
8 22 Terms and Mode of Payment 8
9 Security Rules 9
10 Compliance with contract labour Act 10
1. Abbreviations “SPM/OWNER/PURCHASER” means Security Paper Mill, Hoshangabad.
“SPMCIL” means Security Printing and Minting Corporation of India Limited “DCPL” means Development Consultants Private Limited, Kolkata “BIDDER”/”TENDERER”/”CONTRACTOR” means the individual/firm who quotes against this tender enquiry
. 2 Inspection and Quality Control
2.1 SPM and/ DCPL or its nominated representative(s) will, without any extra cost to SPM, inspect
and/ or test the ordered work and the related services to confirm their conformity to the contract specifications and other quality control details incorporated in the contract. SPM shall inform the contractor in advance, in writing, SPM's programme for such inspection and, also the identity of the officials to be deputed for this purpose.
2.2 The Technical Specification and Quality Control Requirements incorporated in the contract shall
specify what inspections and tests are to be carried out and, also, where and how they are to be conducted. If such inspections and tests are conducted in the premises of the contractor, all reasonable facilities and assistance, including access to relevant drawings, design details and production data, shall be furnished by the supplier to SPM's inspector at no charge to SPM.
2.3 If during such inspections and tests the contracted work fail to conform to the required
specifications and standards, the inspector may reject them and the contractor shall either replace the rejected work or make all alterations necessary to meet the specifications and standards, as required within the original delivery period and as specified in the contract free of cost to SPM and resubmit the same to the inspector for conducting the inspections and tests again.
Page 12 of 170
2.4 In case the contract stipulates pre-dispatch inspection of the ordered work at contractor’ s premises, the contractor shall put up the work for such inspection to SPM’s or DCPL’s inspector well ahead of the contractual delivery period, so that the inspector is able to complete the inspection within the contractual delivery period.
2.5 If the contractor tenders the goods to the inspector for inspection at the last moment without
providing reasonable time to the inspector for completing the inspection within the contractual delivery period, the inspector may carry out the inspection and complete the formality beyond the contractual delivery period at the risk and expense of the contractor. The fact that the goods have been inspected after the contractual delivery period will not have the effect of keeping the contract alive and this will be without any prejudice to the legal rights and remedies available to SPM under the terms & conditions of the contract.
2.6 Work accepted by SPM at initial inspection and in final inspection in terms of the contract shall in
no way dilute SPM's right to reject the same later, if found deficient in terms of the warranty clause of the contract, as incorporated under GCC Clause.
2.7 Travelling expenses, Lodging and boarding charges of SPM officer for pre-shipment inspection
shall be borne by SPM.
3 Transportation of Domestic Goods The supplier shall arrange transportation of the ordered goods up to the SPM and further transportation up to the Project site.
4 Insurance
4.1 The Supplier shall arrange for insuring the goods against loss or damage incidental to
manufacture or acquisition, transportation, storage and delivery in the following manner:
4.2 The supplier shall be responsible till the entire stores contracted for arrive in good condition at destination. The transit risk in this respect shall be covered by the Supplier by getting the stores duly insured till unloading of the stores at SPM site. The insurance cover shall be obtained by the Supplier in its own name and not in the name of SPM or its Consignee.
4.3 Insurance in respect of damages to persons and property during equipment erection:
4.3.1 The Contractor shall be responsible for all injury or damage to persons, animals or things and for all damage to property which may arise from any factor omission on the part of the CONTRACTOR or any of their employees. The liability under this clause shall cover also inter-alia any damage to structures, whether immediately adjacent to the works or otherwise, any damage to roads, streets, footpaths, bridges as well as damage caused to the building and other structures and works forming the subject matter of this contract. The Contractor shall also be responsible for any damage caused to the buildings and other structures and works forming the subject matter of this contract due to rain, wind, frost or other inclemency of weather. The Contractor shall indemnify and keep indemnified the SPM and hold him harmless in respect of all and any loss and expenses arising from any such injury or damage to persons or property as aforesaid and also against any claim made in respect of injury or damage, whether under any statute or otherwise and also in respect of any award or compensation or damage consequent upon such claims. The Contractor shall, at his own expense, effect and maintain till issue of the virtual completion certificate under this contract, with an insurance company approved by the SPM, an All Risks Policy for Insurance for the full amount of the contract including earth quake risk in the joint names of the SPM and the Contractor (the name of the former being placed first in the policy) against all risks as per the standard all risk policy for Contractor’s and deposit such policy or policies with the Owner
Page 13 of 170
before commencing the works. 4.3.2 The Contractor shall reinstate all damage of every sort mentioned in this clause so as to do
delivery of the whole of the works complete and perfect in every respect and so as to make good or otherwise satisfy all claims for damage to property or third parties.
4.3.3 The Contractor shall also indemnify and keep indemnified the SPM against all claims which may be made against the SPM by any person in respect of anything which may arise in respect of the works or in consequence thereof and shall at his own expense, effect and maintain until the virtual completion of the contract, with an Insurance Company approved by the SPM a policy of Insurance in the joint names of the SPM and the Contractor (name of the former being placed first in the policy) against such risks and deposit such policy or policies before commencement of the works.
4.3.4 The minimum limit of the coverage under the policy shall be Rs.2 Lakhs per person for any one accident or occurrence and Rs.5 Lakhs in respect of damage to property for any one accident or occurrence. The Contractor shall also indemnify the SPM against all claims which may be made upon the Owner, whether under the Workmen’s Compensation Act or any other
4.4 Statute in force, during the currency of this contract or at Common Law in respect of any employee of the Contractor and shall be at his own expense, effect and maintain until the Virtual Completion of the Contract with an Insurance Company approved by the SPM a policy of Insurance against such risks and deposit such policy or policies with the SPM from time to time during the currency of this contract.
4.4.1 In default of the Contractor insuring as provided above, the SPM may so insure and may deduct the premiums paid from any money due or which may become due to the Contractor.
4.4.2 The Contractor shall be responsible for any liability which may not be covered by the insurance policies referred to above and also for all other damages to any person, animal or defective carrying out of this contract, whatever, may be the reasons due to which the damage shall have been caused.
4.4.3 The Contractor shall also indemnify and keep indemnified the SPM against all and any costs, charges or expenses arising out of any claim or proceedings relating to the works and also in respect of any award of damage or compensation arising there from.
4.4.4 Without prejudice to the other rights of the SPM against Contractors in respect of such default, the SPM shall be entitled to deduct from any sums payable to the Contractor the amount of any damages, compensation costs, charges and other expenses paid by the Owner and which are payable by the Contractor under this clause.
4.4.5 The Contractor shall upon settlement by the insurer of any claim made against the insurer pursuant to a policy taken under this clause, proceed with due diligence to rebuild or repair the works destroyed or damaged. In this event all the money received from the insurer in respect of such damage shall be paid to the Contractor and the Contractor shall not be entitled to any further payment in respect of the expenditure incurred for rebuilding or repairing of the materials or goods destroyed or damaged.
4.4.6 The Contractor, in case of re-building or reinstatement after damage shall be entitled to such extension of time for completion as the SPM and/ or DCPL may deem fit, but shall, however, not be entitled to reimbursement by the SPM of any shortfall or deficiency in the amount finally paid by the insurer in settlement of any claim arising as set out herein.
5 Incidental Services
5.1 Subject to the stipulation in the Technical Specification (Section - VII), the supplier shall be
required to perform any or all of the following services.
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a) Providing required jigs and tools for assembly, start-up and maintenance of the goods b) Supplying required number of operation & maintenance manual for the goods c) Installation and commissioning of the goods d) Training of SPM’s operators for operating and maintaining the goods e) Providing after sales service during the tenure of the contract f) Providing maintenance service after expiry of the warranty period of the goods if so
incorporated in the contract
6 Warranty
6.1 The supplier warrants that the goods supplied under the contract is new, unused and incorporate all recent improvements in design and materials unless prescribed otherwise by SPM in the contract. The supplier further warrants that the goods supplied under the contract shall have no defect arising from design, materials (except when the design adopted and / or the material used are as per SPM's specifications) or workmanship or from any act or omission of the supplier, that may develop under normal use of the supplied goods under the conditions prevailing in India.
6.2 This warranty shall remain valid for twelve months after the goods or any portion thereof as the
case may be, have been delivered to the final destination and installed and commissioned at the final destination and accepted by SPM in terms of the contract or for eighteen months from the date of dispatch from the supplier's premises whichever is later.
6.3 In case of any claim arising out of this warranty, SPM shall promptly notify the same in writing to the supplier.
6.4 Upon receipt of such notice, the supplier shall, with all reasonable speed and time, repair or replace the defective goods or parts thereof, free of cost, at the ultimate destination. The supplier shall take over the replaced parts/ goods after providing their replacements and no claim, whatsoever shall lie on SPM for such replaced parts/ goods thereafter.
6.5 In the event of any rectification of a defect or replacement of any defective goods during the warranty period, the warranty for the rectified/ replaced goods shall be extended to a further period of twelve months from the date such rectified / replaced goods starts functioning to the satisfaction of SPM.
6.6 If the supplier, having been notified, fails to rectify/ replace the defect(s) within a delivery period, SPM may proceed to take such remedial action(s) as deemed fit by SPM, at the risk and expense of the supplier and without prejudice to other contractual rights and remedies, which SPM may have against the supplier.
7 TAXES and DUTIES:
TDS or any other applicable taxes shall be deducted from the firms bill.
8 TERMS AND MODE OF PAYMENT
8.1 TERMS OF PAYMENT
a) 80% payment of the cost of goods (as per part “A” of the price schedule section XI of this tender document) shall be made on receipt and acceptance of goods by the consignee at destination and on production of all required documents by the supplier.
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b) 20% payment of the cost of goods (as per part “A” of the price schedule section XI of this tender document) and 100% payment of the cost of installation and commissioning (as per part “B” of the price schedule section XI of this tender document) shall be made on successful installation, commissioning and acceptance by the SPM.
8.2 MODE OF PAYMENT Payment will be made through RTGS/NEFT; Firm should furnish all Bank detail
including RTGS/NEFT code extra in their bill.
9 SECURITY RULES 9.1 The Contractor shall strictly abide by the security rules and regulations enforced by the
SPM from time to time. The Contractor shall provide proper identity cards, badges etc., to his employees whenever directed by the DCPL/SPM.
9.2 The Contractor shall arrange for police verification certificates for all his employees/worker/supervisor and the contractor and submit it to CISF (SPM) before starting of the work to obtain the gate pass of the concerned person.
10 COMPLIANCE WITH CONTRACT LABOUR ACT The contractor shall comply with all the provisions of the EPF rules, Workmen Compensation Act 1923, Minimum Wages Act, 1948, and Contract Labor (Regulation and Abolition) Act, 1970 amended from time to time and rules framed there under. The provision of building and other Construction Worker’s Regulation of Employment & Condition of Service Act, 1996 amended from time to time and rules framed therein to be followed.
Page 16 of 170
(Section – VI)
LIST OF REQUIREMENTS
Schedule No.
Brief description of work and services (Related specifications etc. are in Section-VII)
Accounting unit
Quantity Amount of Earnest Money
1. Design, Engineering, Manufacture, assembly/ pre-assembly, tests at manufacturer’s works, installation work, delivery properly packed for transport, supply, complete erection, final checkup, testing at site, successful commissioning, conducting performance and acceptance tests at SPM site of the “AIR CONDITIONING SYSTEM as per detail scope of supply given below and specified under Section – VII complete with all accessories. On Turnkey basis
Nos. One (1) Rs.5, 00,000/- (Rs. Five Lakhs)
Required Completion Schedule: Eight (8) months from the date of issue of Notification of
Award of contract or Purchase Order whichever is earlier. (Including Supply, Erection & Commissioning)
Required Terms of Delivery : F.O.R SPM Hoshangabad Preferred Mode of Transportation : Roadways 1. DETAIL SCOPE OF SUPPLY
The detail scope of supply of the Tenderer for this Tender shall include the following:
1.1 Scope of Supply of Plant & Equipment’s
The scope of supply of the Tenderer covered under this specification for Air Conditioning System shall be as per Table-I given below and specified in section VII.
Page 17 of 170
TABLE-I BILL OF QUANTITIES FOR AIR CONDITIONING SYSTEM
BOQ (MECHANICAL) – AIR CONDITIONING SYSTEM
SL. NO.
SYSTEM ITEM LOCATION / APPLICATION
BRIEF SPECIFICATION QUANTITY
A. AIR CONDITIONING SYSTEM
1 Centralized Chilled Water AC Plant
Water cooled Packaged Screw Chiller
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Water cooled Screw Chiller consisting of R-134a duty Rotary twin Screw type hermetic directly driven Compressor with all its standard accessories and drive motor, Horizontal shell and tube type refrigerant Condenser with integrally finned copper tubes and rolled carbon steel shell and all other standard accessories, Horizontal shell and tube type DX- Chiller with its standard accessories, Thermostatic expansion valve, solenoid valve in the refrigerant circuit, operating thermostat, anti-freeze thermostat and other necessary controls, built in Electrical, first charge of Refrigerant R-134a and oil etc. for safe and satisfactory operation of the plant.
Capacity: 140 TR
3 Nos. (2R+1S)
2 Centralized Chilled Water AC Plant
Chilled Water Pump
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Single stage, horizontally split casing/back pullout type centrifugal chilled water pump with SS-304 impeller in CI casing, directly coupled to electric motor and mounted on a common base frame shall be complete with pressure gauges at suction & discharge, isolating valves, strainer, check valve, flexible coupling with guard, 26mm thick aluminum foil faced closed cell elastomeric Nitrile rubber insulation, rubber type vibration isolation pad and foundation bolts and nuts. Capacity of each Pump : 110 CMH, Head : 40 M
3 Nos. (2R+1S)
3 Centralized Chilled Water AC Plant
Condenser Water Pump
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Single stage, horizontally split casing/back pullout type centrifugal pump set for circulation of Condenser water with SS-304 impeller in CI casing, directly coupled to electric motor and mounted on a common base frame shall be complete with pressure gauges at suction & discharge, isolating valves, strainer, check valve, flexible coupling with guard, rubber type vibration isolating pad and foundation bolts and nuts.
Capacity of each Pump : 140 CMH, Head : 35M
3 Nos. (2R+1S)
4 Centralized Chilled Water
Cooling Tower
PM Hall finishing,
FRP make induced draft cooling tower complete with FRP casing, louver and
3 Nos. (2R+1S)
Page 18 of 170
SL. NO.
SYSTEM ITEM LOCATION / APPLICATION
BRIEF SPECIFICATION QUANTITY
AC Plant strong room, MCC/MV switch gear room, control room wet section/ engineering room
basin, PVC fill and drift eliminator, coarse strainer of brass, GI headers with PVC nozzles and pipe connections, fan with drive motor and drive accessories, make-up water connection with float valve, drain connection with valve, overflow and quick fill connection, level switch, ladder to attend fan and drive section, supports, foundation bolts & nuts.
Flow Rate: 140 CMH
Design WB Temperature: 23.08 Deg C. Temperature Drop: 4.4 Deg C
Approach: 4 Deg C
Heat Removal Rate: 616000 Kcal/Hr
5 Centralized Chilled Water AC Plant
Non Chemical Water Treatment Equipment
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
This equipment shall be suitable to be fitted in the Condenser water header or at the inlet of condenser, whichever is applicable. The water treatment equipment is a 1 M long pipeline, which once installed, stops the formation of scale in the heat exchange zones completely. The water treatment equipment consists of Metal Cell and Core and is installed on line after the pumps and before the heat exchange zone. The distance of the heat exchange zone should not be more than 30 M and there should not be any static area between the water treatment equipment and heat exchange area.
Capacity: 280 CMH
1 No. (1R)
6 Centralized Chilled Water AC Plant
Make-up water tank
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Tank of size 1.0 M x 1.0 M x 1.0 M (ht) shall be made out of Tank will be Constructed of SS Sheet (Minimum 3 mm Thickness). complete with make-up connection with float valve and isolating valve (gate type), quick fill connection with gate type isolating valve, overflow connection, drain connection with gate valve, high level and low level switches with alarm etc.
1 No. (1R)
7 Centralized Chilled Water AC Plant
Chilled water expansion tank
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Chilled water expansion tank of size 1.0mx1.0mx1m (ht) and made of SS Sheet (Minimum 3 mm Thickness). and complete with chilled water pipe connection, make-up connection with float valve & isolating valve, quick–fill connection, vent-connection, overflow connection, drain connection with valve, low level switch, level gauge-glass, insulated with 6 mm thick Aluminium foil faced closed cell elastomeric Nitrile rubber /XLPE or equal.
1 No. (1R)
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8 Centralized Chilled Water AC Plant
Condenser water piping & make-up water piping
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Condenser cooling water piping MS ERW steel of grade Fe410 as per IS-3589 for pipe sizes above 100NB and MS heavy class as per IS-1239 for pipe sizes of 100 NB and below, connecting cooling tower, condensers and condenser water pumps complete with valves, bends, strainers, fittings, instruments, hangers/supports etc. Make-up water piping from make-up water tank to the cooling tower, humidifiers, chilled water expansion tank.
I Condenser Water Piping (including fittings, valves, pressure & temperature indicators as required)
250 NB Pipe 56 M
200 NB Pipe 33 M
II Make-up water piping with valves and fittings 1 Lot
9. Centralized Chilled Water AC Plant
Chilled water piping & drain piping
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room
Chilled water piping of MS ERW steel grade Fe410 as per IS-3589 for pipe sizes above 100NB and MS heavy class As per IS-1239 for pipe sizes of 100 NB and below, connecting chillers, chilled water pumps, AHUs and Expansion tank, complete with valves, bends, strainers, fittings, instruments, hangers/ supports, thermal insulation etc. Entire chilled water piping, valves, chilled water circulating pumps, and chillers shall be insulated with 39 mm thick aluminum foil faced closed cell elastomeric Nitrile rubber. The portion of Chilled water piping exposed to atmosphere shall be insulated with 39 mm thick Nitrile rubber pipe section with one coat of UV protection paint followed by the chopped strand mat and finally finished with another coat of UV protection paint. Equipment drain piping of GI (Heavy Class), with valves, fittings, supports/clamps etc. up to the nearest drain point provided by the purchaser. Drain Piping from the chiller and chilled water pumps shall be insulated with 26mm thick aluminium foil faced closed cell elastomeric Nitrile rubber.
I Chilled Water Piping (including fittings, valves, pressure & temperature indicators as required)
200 NB Pipe 60 M
150 NB Pipe 284 M
100 NB Pipe 168 M
Page 20 of 170
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BRIEF SPECIFICATION QUANTITY
80 NB Pipe 20 M
50 NB Pipe 194 M
40 NB Pipe 10 M
32 NB Pipe 30 M
25 NB Pipe
20 M
II Drain piping with valves and fittings
50 NB Pipe 80 M
25 NB Pipe 45 M
20 NB Pipe 10 M
10 Centralized Chilled Water AC Plant
Air Handling Unit
PM finishing hall
Each Air Handling Unit of Double skin type shall consist of the followings: - a) Fan section complete with forward
curved centrifugal fans mounted on a common shaft with adjustable motor base.
b) One (1) no. adequately sized TEFC sq. cage induction motor, suitable for operation on 415V ± 10%, 3 phase, 50Hz ± 3% AC Supply with drive package comprising fan pulley, motor pulley, V-belt drive and belt guard.
c) Cooling coil section with suitably sized chilled water type cooling coils made of copper tubes with aluminium fins along with 3-way mixing valve with actuator controlled by room temperature sensor placed in the return air path, insulated drip tray with drain connection.
d) Pre-filter Section complete with 50mm thick dry panel type filter with a minimum efficiency of 90% down to 10 microns.
e) Drain piping from the AHUs up to nearest drain point. Piping shall be insulated with 13 mm thick Aluminium foil faced Nitrile Rubber.
f) Lot-controls comprising:
i) One no. 3 - way mixing valve with actuator & one no. temperature sensor and transmitter.
g) GI casing of double skin type with at least 25 mm thick PUF insulation sandwiched between two skins (made of 24 G GI sheet) and complete with supply air outlets with volume control dampers and flexible connections, structural frame work with supports and serrated rubber pads as vibration isolators and shall be provided with thermal break at the joints of different
4 Nos.
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sections. Outer skin of the AHU shall be powder coated.
Capacity: 40 TR, 35000 CMH, Fan Static Pressure 55 mmWG.
11 Centralized Chilled Water AC Plant
Air Handling Unit
Strong Room
Capacity: 23 TR, 15000 CMH, Fan Static Pressure 50 mmWG. (Description of Air Handling Unit is same as above)
2 Nos. (1R+1S)
12 Centralized Chilled Water AC Plant
Air Handling Unit
MCC room & MV switchgear room
Capacity: 31 TR, 31000 CMH, Fan Static Pressure 50 mmWG. (Description of Air Handling Unit is same as above)
2 Nos. (2R)
13 Centralized Chilled Water AC Plant
Air Handling Unit
Engineering Room & Control Room of Wet Section
Capacity: 10 TR, 9000 CMH, Fan Static Pressure 45 mmWG. (Description of Air Handling Unit is same as above)
2 Nos. (1R+1S)
14 Centralized Chilled Water AC Plant
Air Handling Unit
Laboratory & adjacent office at 6.0 m
Capacity: 10.3 TR, 9800 CMH, Fan Static Pressure 50 mmWG. (Description of Air Handling Unit is same as above)
1 No. (1R)
15 Centralized Chilled Water AC Plant
Fresh air fan with filter
PM hall finishing area
Outside fresh air will be inducted into the AHU through a Fresh Air system consisting of an inlet louver, dry panel type filter, a fan, SA register and mixed with the return air in AHU room. Capacity: 4300 CMH, Fan Static Pressure 20 mmWG.
4 Sets
16 Centralized Chilled Water AC Plant
Fresh air fan with filter
Strong room
Outside fresh air will be inducted into the AHU through a Fresh Air system consisting of an inlet louver, dry panel type filter, a fan, SA register and mixed with the return air in AHU room. Capacity: 2500 CMH, Fan Static Pressure 20 mmWG.
1 Set
17 Centralized Chilled Water AC Plant
Fresh air fan with chemical filter
MCC room & MV switch gear room
Outside fresh air will be inducted into the AHU room through a Fresh Air system consisting of an inlet louver, dry panel type pre-filter, chemical filter media of 3 layers each of 300 mm thickness, a centrifugal fan with drive motor, V-belt drive etc., volume control damper and mixed with the return air in AHU room. Capacity: 500 CMH, Fan Static Pressure 160 mmWG (approx.).
1 Set
18 Centralized Chilled Water
Fresh air fan with
Engineering Room &
Outside fresh air will be inducted into the AHU room through a Fresh Air system 1 Set
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BRIEF SPECIFICATION QUANTITY
AC Plant chemical filter
Control Room of Wet Section
consisting of an inlet louver, dry panel type pre-filter, chemical filter media of 3 layers each of 300 mm thickness, a centrifugal fan with drive motor, V-belt drive etc., volume control damper and mixed with the return air in AHU room. Capacity: 500 CMH, Fan Static Pressure 160 mmWG (approx).
19 Centralized Chilled Water AC Plant
Fresh air inlet through RP cowl & volume control damper
Laboratory & adjacent office at 6.0 m
Outside fresh air will be inducted into the AHU room through a Fresh Air system consisting of rain protection cowl with bird screen & volume control damper and mixed with the return air in AHU room. Capacity: 500 CMH
1 Set
20 Centralized Chilled Water AC Plant
Fan Coil Unit
AC plant control room
Each Sheet metal cabinet type Fan Coil Units shall be complete with all accessories as described hereinafter: a) Filter b) Cooling coil c) Drain pan with connection d) Supply air fan with drive motor e) Controls The detail specification of the above sections are as follows: Panel type dry HDPE filter having an efficiency of 90% down to 10 micron size particles. Fan shall be Centrifugal, DIDW with forward curved blades, belt driven with adequately sized Drive Motor and suitable for AC 240 V ± 10%, 1 Ph, 50 Hz ± 3% supply, TEFC (IP-55) squirrel cage induction type complying to motor specification in part-C. Cooling Coil (As per manufacturer’s standard design) shall be of Chilled water type. Construction shall be Seamless copper tubes with aluminum fins, number of fins as per manufacturer’s std. but not more than 13 per inch. Design fouling factor shall be 0.0002 Hr. – Sq. m – 0C / Kcal. The Fan Coil Units shall be in a completely prepackaged, pre-piped and pre-wired assembly. Drain Piping from FCUs shall be insulated with 13 mm thick Aluminium foil faced closed cell elastomeric Nitrile rubber /XLPE or equal. Capacity: 1.5 TR, 1020 CMH, Fan Static Pressure 15 mmWG (approx).
2 Nos. (2R)
21 Centralized Chilled Water Electric
One common set of electrical strip heaters 1 Lot
Page 23 of 170
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SYSTEM ITEM LOCATION / APPLICATION
BRIEF SPECIFICATION QUANTITY
AC Plant strip heater PM finishing hall, Strong room & Lab/office
package of suitable capacity mounted inside the supply air plenum/duct at AHU outlet, complete with heater box with insulation, contactor, etc. for winter heating and monsoon reheat and controlled by PLC through air-stat/safety temperature sensor cum transmitter, RH sensor cum transmitter. Capacity: To be decided by bidder.
22 Centralized Chilled Water AC Plant
Electrode humidifier
PM finishing hall & Lab/office
Electrode Humidifier consists of high temperature Polypropylene water tank, electrodes, auto flash cycle activated on demand from the microprocessor based control system with humidity sensor, located in the AHU room. Such Humidifier shall be controlled by its own stand-alone microprocessor based control panel. Alarm indication will be provided for low water level in the water tank. Capacity: To be decided by bidder.
1 Lot
23 Centralized Chilled Water AC Plant
Ducting
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
GSS supply air ducting (having zinc deposition of at least 180 gms / sq.m complete with vanes, damper with control arrangement at each branch off and wherever necessary, flexible connections of rubberized canvas, hangers / supports etc. Thickness: 18G
197 Sq.M
24 Centralized Chilled Water AC Plant
Ducting
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
Thickness: 20G (Specification same as above) 394 Sq.M
25 Centralized Chilled Water AC Plant
Ducting
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
Thickness: 22G (Specification same as above) 592 Sq.M
26 Centralized Chilled Water AC Plant
Ducting PM Hall finishing, strong room, MCC/MV
Thickness: 24G (Specification same as above) 789 Sq.M
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BRIEF SPECIFICATION QUANTITY
switch gear room, control room wet section/ engineering room, Lab/office
27 Centralized Chilled Water AC Plant
S.A. Grilles / Diffusers
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
Supply air diffusers / grilles with volume control dampers made out of extruded Aluminum (powder coated) complete with fixing framework.
33 Sq.M
28 Centralized Chilled Water AC Plant
R.A. Grilles / Diffusers
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
Return air diffusers / grilles made out of extruded Aluminum (powder coated) complete with fixing framework.
59 Sq.M
29 Centralized Chilled Water AC Plant
Duct Thermal Insulation
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
13 mm thick Aluminum foil faced closed cell elastomeric Nitrile rubber /XLPE or equal or equivalent thermal insulation for the entire air conditioning ducting.
2170 Sq.M
30 Centralized Chilled Water AC Plant
Duct Acoustic insulation
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering room, Lab/office
Acoustic insulation of 25 mm thick open cell erosion resistant Nitrile Rubber foam of density min. 140 Kg/CuM provided in the ducting up to a length of 6 M from the Air Handling Unit / Precision Air Conditioner / Duct able Split Air Conditioner outlet.
300 Sq.M
31 Centralized Chilled Water AC Plant
Motorized Fire Damper
PM Hall finishing, strong room, MCC/MV switch gear room, control room wet section/ engineering
Motorized Fire Damper on supply air duct with sensors controls etc. at strategic locations, as required.
9 Sq.M
Page 25 of 170
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BRIEF SPECIFICATION QUANTITY
room, Lab/office
32 Non Ductable Split AC
Non Ductable Split AC
Offices between 16-20A grid, D-E bay at 10M Level.
Each Air Cooled Non Duct-able Split Air Conditioners complete with hermetically sealed rotary compressors (suitable for R-22 refrigerant) and air cooled condensers in the Outdoor unit with powder coated GI casing, built-in electrical items & supports and Indoor unit housing dry panel type HDPE filters (efficiency 90% down to 10 micron), cooling coils, evaporator fans with two speed drive motors, control console, all encased in powder coated GI casings with swiveling type supply air grilles and decorative RA grilles and interconnecting refrigerant piping (duly insulated) between outdoor and indoor units and insulated drain piping, microprocessor based cordless remote control panel and plug top with connecting cable for each split unit. Capacity: 2 TR
7 Nos.
33 Non Ductable Split AC
Non Ductable Split AC
Offices between 33-35 grid, D-E bay at 6M level
Capacity: 2.5TR Capacity: 2 TR
1 No. 2 Nos.
34 Non Ductable Split AC
Non Ductable Split AC
Recreation room between 35-36 grid, D-E bay at 6M level
2 TR 2 Nos.
35 Non Ductable Split AC
Non Ductable Split AC
Offices between 16-18 grid, D-E bay at 6M level
2 TR 5 Nos.
36 Non Ductable Split AC
Non Ductable Split AC
Control room 1-3 grid, D-E bay at 6M level
2 TR 4Nos. (2R+2S)
37 Non Ductable Split AC
Non Ductable Split AC
Offices between 9-10 grid, G-I bay at 6M level
2 TR 4 Nos.
38 Non Ductable Split AC
Non Ductable Split AC
Recreation room 9-10 grid, F-H bay at 6M level
2 TR 2 Nos.
39 Non Ductable Split AC
Non Ductable Split AC
Control room for Dry Section between 16-17 grid at 6
2 TR 4Nos. (2R+2S)
Page 26 of 170
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BRIEF SPECIFICATION QUANTITY
M level
40 Non Ductable Split AC
Non Ductable Split AC
Offices between 25-27 grid, D-E bay at 0 M level
2.5 TR 2 TR
1 No. 1 No.
41 Non Ductable Split AC
Non Ductable Split AC
Meeting room between 24-25 grid, B-D bay at 0 M level
2 TR 2 Nos.
42 Non Ductable Split AC
Non Ductable Split AC
Recreation room 16-17 grid, D-E bay at 0 M level
2 TR 2 Nos.
43 Non Ductable Split AC
Non Ductable Split AC
Control room – chemical preparation 8-9 grid, F-G bay at 0 M level
2 TR 4Nos. (2R+2S)
44 Non Ductable Split AC
Non Ductable Split AC
Electrical room – chemical preparation 7-8 grid, F-G bay at 0 M level
1.5 TR 4Nos. (2R+2S)
45 Non Ductable Split AC
Non Ductable Split AC
First Aid 1.5TR 1 No.
ELECTRICAL ITEMS & CONTROLS PERTAINING TO AIR CONDITIONING SYSTEM
SL. NO.
ITEM LOCATION BRIEF SPECIFICATION QUANTITY
1 415V Air Conditioning MCC cum Power Distribution Board
AC plant room of central AC plant
The 415 V AC MCC cum PDB shall supply power to the following:
a) 3 nos. water cooled screw chillers (power supply only) .
b) 3 nos. chilled water pumps
01 No
Page 27 of 170
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
(Top Entry Type)
c) 3 nos. condenser water pumps d) 3 nos. cooling tower fans e) 5 nos Local Starter Panels (LSP) for
AHUs f) DDC Based Control Panels g) 2 nos FCU located in AC Plant Control
Room. h) AC Plant Room Exhaust Fans
415 V AC MCC cum PDB required for operation & control of the air conditioning equipment in the respective AC plant rooms shall serve all drives and equipment for central chilled water plant including Water Cooled Screw Chiller, Cooling Tower Fans, Chilled water Pumps , Condensate water Pump, DDC panels, LSPs , FCUs and AC Plant Room Exhaust Fans etc. The MCC cum PDB shall be provided with 2 x 100% Incoming ACB / MCCB which shall be located at either end of MCC cum PDB and one Bus-Coupler Feeder.
Outgoing motor feeders above shall be Circuit Breaker operated and shall have motor wound spring charged mechanism. 30% or minimum 1 module of each type and rating as spare shall be provided in the MCC cum PDB. MCC cum PDB shall house Incoming MCCB, Copper Bus Bars , Outgoing MCCBs for LSPs and Screw Chiller , Outgoing MCCB / MCB with motor starters, Thermal 0/L Relays, ON/OFF indication lamps, C.T. operated ammeters (for Incomer and for motors rated 30KW and above) for drives of Air-conditioning equipment located in AC Plant room, Cooling tower fan motors etc. Each Incomer of MCC Cum PDB shall be provided with C.T. operated ammeter, ammeter selector switch, voltmeter and voltmeter selector switch, RYB indication lamp on Bus. The MCC cum PDB shall be of compartmentalized construction, floor mounted, free standing, Fixed Type, dust and vermin proof with bus bar. Indicating Lamps shall be LED type. Cable entry provision shall be from top. Degree of protection of enclosure of MCC cum PDB shall be IP-54. Circuit breaker boards shall be provided with DC control supply bus. Auxiliary and power bus bars shall be in separate compartment. Panel and Motor Space Heaters shall be fed from separate AC auxiliary busbars running throughout the panel. All the panel and motor space heaters shall be fed from these bus bars through single pole MCB and neutral link.
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
The Bidder shall furnish along with the bid, list of loads with power requirement for each load. Any Interlock or control shall be built in the DDC Panel. All interfacing contacts with MCC cum PDB shall be through a potential free contact to use interfacing relay/contractors for interlocks. ACB / MCCB shall be with Over Current, E/F and S/C releases. The MCCBs shall be provided with front operating handles and mechanical ON/OFF indicators. In case of trip, the handles shall rest in an intermediate position. The minimum protection shall be provided in the feeder is- A . 3- Inverse time O/C relay ( 51) for phase faults. B . 1-Inverse time O/C relay (51N) for Earth Faults. C . Under Voltage Protection. Note: Automatic Star-delta starters are to be provided for motor rating 15 KW and above. For motor rating below 15 KW, DOL starter shall be provided.
2 Local Starter Panel (LSP) for AHUs (Top Entry Type)
Located Near AHUs
Starting & stopping of AHUs shall also be done from LSPs. These LSPs shall house all electrical devices for operation purpose of AHU fan & connected loads (modulating by-pass/mixing valves, fire-dampers, fresh air fans etc.) over and above the operation and control of these loads from the respective DDC Work Station located in AC plant control room. Electronic type controllers shall be provided in the LSCP to operate the Fire Dampers with the sense received from the zone Fire Panels. Such LSP will house Incoming MCCB, Cu Bus Bars , Outgoing MCCB /MCB with Starter (Start & Stop Push Button, contactor, overload relay, ON/OFF/TRIP indication lamps) units for AHU fans, Exhaust Fans, Fresh Air Fans , control valve motors and motorized fire dampers. Outgoing MCCB/ MCB units for electric heaters and humidifiers. Control voltage at LSP shall be 240V, 1Ph, 50Hz. Ammeter shall be provided for motors rated 30KW and above By-pass P.B. for manual testing for fire dampers shall also be provided in this panel. MCCB shall be with Over Current, E/F and S/C releases. The MCCBs shall be provided with front operating handles and mechanical
5 Nos.
Page 29 of 170
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
ON/OFF indicators. In case of trip, the handles shall rest in an intermediate position. The minimum protection shall be provided in the feeder is- i) 3-Inverse time O/C relay ( 51) for phase
faults. ii) 1-Inverse time O/C relay (51N) for Earth
Faults.
iii) Under Voltage Protection. The Panel shall be wall / Floor mounted and Degree of protection shall be IP- 54. Note: a) Automatic Star-delta starters are to be provided for motor rating 15 KW and above. For motor rating below 15 KW, DOL starter shall be provided. b) Requirement of LSP is given below: 1 LSP for 4 nos. AHUs of PM hall. 1 LSP for 2 nos. AHUs of Strong room 1 LSP for 2 nos. AHUs of MCC room & MV switch gear room 1 LSP for 2 nos. AHUs of Engineering Room & Control Room of Wet Section 1 LSP for 1 no. AHU of Laboratory & adjacent office
3 Controller for FCU
Near FCU To Control 3 way valve and ON/OFF/ speed control of FCU
2 Nos
4 DDC Panels
Quantities to be decided by the Bidder depending on I/O counts.
DDC Panels with one no. PC (in work station) for operation and control of Water Cooled Screw Chillers, Chilled water Pumps, condenser water pumps, cooling tower fans, AHUs.
1 Lot
5 Emergency Stop Push Buttons
Located near cooling tower fans.
Stop Push buttons (lockable at stop position) shall be provided for cooling tower fans.
1 Lot
6 Receptacles (Socket with Switch)
Near each Non Ductable Split air Conditioner
For Areas (served by Non Ductable Split Air Conditioner) each AC unit will be provided with microprocessor based cordless remote control panel and plug top with connecting cable for each split unit. Receptacles (socket with isolating switch) shall be kept near each non duct able split units. Power shall be fed to such Receptacles from the nearest Distribution Boards (DBs). Split Air Conditioners shall be so interlocked with the zone fire detection system that all such equipment shall automatically trip in case of fire in the respective zones.
51 Nos
7 Power cabling LT Power cable shall be 1100V grade , heavy duty , Copper Conductor, multi core, XLPE insulated , extruded PVC inner sheathed, GI Strip / round wire armoured , PVC type outer sheath with FRLS compound complying with IS 7098 Part-I. IS 8130 & IS 5831 and IS 3975.
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
All Power cables should be provided with the ferrule system for easy identification during operation & maintenance. XLPE insulation shall be suitable for continuous conductor temperature of 90°C and short circuit temperature of 250°C. The minimum size chosen shall be as follows: Cable tray shall be hot deep galvanized ladder type for power cables. Note:-
1. The incoming power to the MCC CUM PDB is in the scope of HVAC bidder. Only Incoming Cables for MCC CUM PDB shall be 2R X 3 1/2C X 630 Sq mm CU (per incomer)
2. Inter-connecting
cables between MCC CUM PDB and the LSPs of AHUs are in the scope of HVAC bidder.
3. Incoming cables
with receptacles for non Ductable Split AC units is in the scope of Electrical Contractor.
4. All outgoing
power cables along with cable trays and racks are in the scope of HVAC bidder.
5. Cable quantities
for the other requirement are to be estimated by the bidder on the basis of layout furnished with the tender document.
400M (Approx) Lot ---- Lot
8 Control cabling 1100 Volt grade, 70°C rating, control cables with stranded copper conductor, PVC insulation. Extruded PVC inner sheath, round wire Armour and extruded FRLSH PVC overall sheath.
All Control cables should be provided with the ferul system for easy identification during operation & maintenance. No. of cores of control cables shall be restricted to 2, 3, 5, 7, 12 & 16 including one core as spare. All control cables shall be 2.5 Sq. mm. copper
cables.
1 Lot
Page 31 of 170
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
Multi core control cable will generally have spare
conductors (s) in accordance with the following
chart.
Conductors Required Cables 1 or 2 1-3/C 3 or 4 1-5/C 5 or 6 1-7/C 7 or 8 1-9/C 9 or 10 1-12/C 11, 12 or 13 1-15/C 14 to 18 1-20/C above 19 Two(2) or more of above
9 C&I Cabling For DDC control system. Instrumentation cables shall be Flame Retardant and Fire – Resistant type in accordance with relevant IS standard.
All Instrumentation cables should be provided with the ferrule system for easy identification during operation & maintenance.
a) Following considerations shall generally be adopted for selection of Instrumentation cables:
(i) 0.5 Sq. mm twisted pair individual & overall shielded Instrument signal cables shall be provided for analog signals including RTD signals operating at voltage up to 48 V DC.
(ii) 0.5 Sq. mm twisted pair overall shielded Instrument signal cables shall be provided for digital signals operating at voltage up to 48 V DC.
(iii) 1.5 Sq. mm twisted pair individual & overall shielded Instrument signal cables shall be provided for analog signals operating at voltage up to 48 V DC for the cases where the cable run exceeds 400 Meter and for low voltage analog signals.
(iv) 1.5 Sq. mm twisted pair
Lot
Page 32 of 170
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
overall shielded Instrument signal cables shall be provided for digital command signals to interposing relays of Motorized actuators / Breakers / MCC / solenoid valves, Solenoids operating at voltage up to 48V DC etc.
b) Instrumentation Cable shall be supplied in types as follows:
• Type – F Size 0.5 Sq. mm: FRLS Individual & Overall Shielded Twisted Pair Armoured Cable
• Type – F Size 1.5 Sq. mm: FRLS Individual & Overall Shielded Twisted Pair Armoured Cable
• Type – G Size 0.5 Sq. mm: FRLS Overall Shielded Twisted Pair Armoured Cable
• Type – G Size 1.5 Sq. mm: FRLS Overall Shielded Twisted Pair Armoured Cable
c) All cables shall be flame retardant low smoke (FRLS) type.
d) Outer sheath of cables shall have rodent and termite repulsion properties
10 Grounding Grounding of all drives / equipment and from SPM main grounding system required for complete Air-conditioning system shall be in Bidder’s scope. Average estimated length of each ground conductor required for grounding may be considered as 20.0M from SPM grounding grid / steel column.
All electronic equipment shall be grounded utilizing an insulated ground wire connected in accordance with manufacturer’s recommendation.
Entire system shall be earthed in accordance with the provisions of the relevant IEC recommendations /Indian Electricity Rules. For earthing of individual equipment and interconnection between earth pits copper Flat shall be used. All electrical equipment (indoor or outdoor) shall have two (2) separate and distinct earth connections. Grounding shall follow the relevant standards/codes amended till date as below: a. Indian Electricity rules b. National Electrical Code c. Code of Practice of Earthing IS 3043 d. Protection of building and allied structures against lightning IS 2309 e. IS-732, IS 226, IS 2629, IS 2633 & IS 4759 f. IEEE -80, IEEE-665
Lot
Page 33 of 170
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ITEM LOCATION BRIEF SPECIFICATION QUANTITY
The station grounding system shall be an interconnected network of Copper conductor and Cu ground rods. The system shall be provided to protect plant personnel and equipment from the hazards, which can occur during power system faults and lightning strikes.
1.2 Scope of Services
1.2.1 The successful Tenderer under this specification shall be responsible for the complete supervision of erection, testing, commissioning and handing over of the equipment supplied by him.
1.2.2 The Tenderer shall arrange supervisory personnel, all special tools, tackle, test equipment and instruments together with all other equipment for carrying out his obligations.
1.2.3 The successful Tenderer shall depute adequate expert personnel for on-site training to the mill personnel for the operation of the equipment & tools & tackles supplied by him.
1.2.4 The SPM will make available the following items free of cost to the successful Tenderer: Power, Air, Water, etc. required for testing and commissioning Air Conditioning System.
However, successful Tenderer shall send prior intimation to the SPM indicating the details of above utility requirement for testing and commissioning.
2. SAFETY AND HEALTH INSTRUCTIONS
During installation, the Contractor shall follow all the Safety Policy and Plant Safety rules of SPM and also the various provisions of M.P. Factories Rules, 1962 made under Factories Act, 1948. This instruction gives broad guidelines to be followed by the Contractor for ensuring safe working conditions in and around the site.
2.1 SAFETY ORGANISATION Contractor at site shall organize a Safety Group headed by a Safety Officer who shall be responsible for providing, supervising and monitoring safe working conditions at all times for their workers. The Safety Officer shall be experienced in maintaining safe conditions for workers at site and shall be responsible for and shall have authority to enforce safe conditions for the workers. The Contractor shall have a declared Safety Policy and shall get the same approved by the SPM and/or DCPL. The approved Safety Policy shall be displayed prominently in the Contractor’s site office. The Contractor shall take active interest and participate in the development and operation of safety programs at site. His responsibility does not cease with establishment of Safety Group and approval of its various activities. He shall demonstrate his involvement by regular participation in safety meetings, review of safety records and taking corrective action where required, introduction of safety promoting bulletins, posters, suggestions and awards and by setting example by strictly observing safety rules. The Contractor shall remove all waste material and debris from and around the work area and properly clean up the area at the end of each day before leaving the work site. The Contractor shall take all necessary precautions not only for safe working of his own workmen but also deploy all precautions to ensure safety of structures, equipment and workmen of other agencies in and around his work site. The Contractor shall ensure that his workmen do not trespass into prohibited areas.
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The SPM and/or DCPL shall have the right to inspect at any time, all items of machinery or equipment brought to site by the Contractor, his agents or workmen and to prohibit the use on the site of any item, which in the opinion of the SPM and/or DCPL is or may be detrimental to the safety of the site. The exercise of such right or the omission to exercise it in any particular case shall not absolve the Contractor or his agents or workmen of their responsibility of adhering to the safe working practices. The Contractor shall execute the work in a manner causing the least possible interference with the business of the SPM and/or DCPL, or with the work of any other Contractor who may be engaged on the premises and shall at all times co-operate with the other Contractors working at site. The Contractor shall obtain work permit from the SPM and/or DCPL before starting any work at site. The work permits are issued to prevent the Contractor from working in un-authorized areas and shall be valid for specific area for a stipulated period The Contractor shall ensure at all times that his workers do not lie down or sleep under or around any machine, equipment, vessel, vehicle or structures in his work area.
2.2 RESPONSIBILITIES OF THE CONTRACTOR’S SAFETY OFFICER
He is responsible and accountable for: a) Preventing injury to personnel, damage to plant and equipment and fires. b) Instituting ways to improve existing work methods from safety point of view. c) Legal and contractual requirements affecting safety, health, and welfare of his workmen d) Provision and use of protective clothing and equipment and use of firefighting equipment e) Suitability of new and hired equipment from a safety viewpoint f) Identifying potential hazards. g) Changes in safety requirements and fire precautions h) Carrying out site surveys to see that only safe work methods are in operation, health and safety
requirements are being observed and welfare and first aid facilities are adequate and properly maintained.
i) Determining the cause of an accident or dangerous occurrence and recommend means of preventing recurrence.
j) Supervising the recording and analysis of information on injuries, damage and production loss. Assess accident trends and review overall safety performance.
k) Assisting with training of employees at all levels. Organizing periodic demonstration of practicing safe working conditions by experienced safety instructors.
l) Taking part in discussions on injury, damage and loss control. m) Keeping up-do-date with recommended codes of practice and safety literature. Circulating
information applicable to each level of employees. n) Fostering within the company an understanding that injury prevention and damage control are
an integral part of business and operational efficiency. o) Attending job progress meetings where safety is an item on the agenda. Report on job safety
performance.
The Safety Officer shall inspect and ensure the following:
a) All electrical equipment’s are securely earthed. b) Standard access platforms and ladders are provided for inspection, operation and maintenance
of equipment. c) The equipment are periodically inspected for their condition, maintained d) Properly and operated by trained personnel at design speeds and loads.
2.3 WORKING AT HEIGHTS For carrying out work at heights exceeding 2 meters or near openings in floors and roofs etc. precautions as given in following paras shall be taken. Adequate safety precautions like use of safety belts, crawling-ladders, safety nets etc. shall be taken. The workers shall wear safety belts with hook properly fastened. All workmen engaged on work at heights shall be experienced in such work. Written permission of the SPM and/or DCPL shall be obtained before undertaking work on roofs. Wherever possible, steel staging or platform shall be erected.
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Staging with toe guards shall be provided with simple safety rails or ropes at waist height throughout its length on all open sides. Staging supports shall be All Purpose Scaffolding (APS) steel tubes scaffolding, safety secured and supported on firm level footings or slung from overhead beams. The supports shall be situated at maximum distance of 2.5 meters apart and the staging shall be secured to each support. Wherever it is not possible to put up staging and/or use of safety belts, safety nets shall be slung beneath the place of work for safety. When working over open process vessels or tanks, safety belts and safety nets shall always be used whether or not staging and scaffolding is provided. Safe access to all points of works shall be provided in the form of suitable ladders and stairways etc. Area around the work place shall be barricaded suitably or fenced off to avoid injuries to personnel passing by. Suitable warning boards and signs shall be put up.
2.4 LIFTING GEAR The Contractor shall submit a valid Test Certificate to the SPM/DCPL, from approved certifying authorities for all of his lifting gear and hoists, slings, chains, wire ropes, hooks, chain-pulley blocks, winches, hoists and cranes etc. before commencing work. These certificates shall be available at site in the Contractor’s office for inspection as and when required.
2.5 PRESSURE AND LEAK TESTING Pressure and leak testing of equipment shall be carried out hydraulically. However, in special cases where pneumatic testing is specified, written approval shall be obtained from the SPM and/or DCPL before starting work. Under no circumstance gases other than nitrogen, carbon dioxide, air or steam shall be used for testing. In case nitrogen or carbon dioxide is used for testing, the equipment shall be adequately ventilated and gas tested to ensure oxygen content of 21% before permitting a worker to enter the equipment.
2.6 WORK INSIDE AN EQUIPMENT OR DRAINAGE SYSTEM
All equipment and associated piping shall be isolated, completely drained, purged and well ventilated before entry of a worker. The atmosphere inside the vessel or equipment shall be tested to ensure absence of toxic and flammable gases. Toxic and flammable liquids and gases in the equipment shall be safely disposed off as per the statutory requirements to the satisfaction of the SPM and/or DCPL. Workers carrying out drainage, purging and testing operations shall wear gas masks and other protective gear appropriate to the material being handled. While a worker has entered equipment or a drainage system, another worker shall be present outside at all times to assist the worker inside in the event of an emergency.
2.7 ELECTRICAL Portable power tools rated for above 50 V supply and hand lamps rated for above 24 V supply shall not be used at site. An armored cable with a 3 pin Reyrolle type plug, properly earthed shall be provided between the Contractor’s DG set and step down transformer. All power supply and distribution boards shall have canopy for protection and all the distribution boards shall be earthed securely. All supply points shall have proper plug and socket. The Contractor shall check tightness of connection of cable terminations and joints before starting the work.
2.8 WELDING Only qualified welders shall be employed at the work site. The Contractor shall organise the qualifying test at site for his welders and the SPM and/or DCPL shall approve the welders. All welders shall have to undergo qualifying test and only on passing the test, they shall be allowed to work at site. For all welding work at site, generator sets shall be used instead of AC transformer sets. AC transformer sets are banned for welding jobs inside vessels (both open and closed top type).
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The Contractor shall get his welding sets certified by the SPM and/or DCPL before starting work. These certificates shall have to be renewed every two months. A copy of the certificates shall be displayed on respective welding sets. Only cables in good condition and insulated holders shall be used. The length of supply cable to welding site shall not exceed 8 meters and the welding set body shall be properly earthed. A charged fire extinguisher of CO2 type shall be carried with each welding set. The Contractor shall keep Halon or equivalent type fire extinguishers near hot jobs like cutting oil lines. The welder shall not use a building structure, pipeline or railway track etc. as a return path of the current. Adequately rated circuit breaker shall be provided in the power circuit for human protection on all power supply points.
2.9 HOT WORK Before starting any hot work like gas cutting, welding and grinding etc., the Contractor shall obtain hot work permit from the SPM and/or DCPL. The permit shall be renewed on day-to-day basis. The Contractor shall ensure purging of piping and equipment to make it totally safe before carrying out any hot work. Smoking is strictly prohibited in work areas inside the SPM premises No combustible material shall be stored on or near any source of heat like hot pipes, welding or gas. Before leaving the place of work or the Contractor’s sheds, the Contractor’s workmen shall ensure that no material or item that could start a fire is left at site. Special attention shall be paid to collection and disposal of oil soaked cotton waste or rags. On no account are these to be dropped into corners, pushed below equipment or left hanging on pipes. Gas cylinders shall be used in a safe manner. These shall not be dropped from heights or dragged on the floor. Trolley with rubber rimmed wheels shall be used for transporting gas cylinders within the site. Acetylene cylinders shall be kept in upright position. Oxygen cylinders shall not be kept near inflammable materials like oil etc. Tarpaulins shall not be used in the vicinity of welding and gas cutting jobs. The Contractor’s supervisor of the rank of a foreman or equivalent shall examine the arrangements made for hot work before commencement of work and shall satisfy him that all reasonable safety precautions have been taken. The Contractor shall return the hot work permit after completion of welding work.
2.10 PERSONAL PROTECTIVE EQUIPMENT Workmen at site shall wear protective clothing, head, leg and eye protection safety equipment at all times as per the job requirements. These are to be supplied and provided by the Contractor. Adequate number of IS approved safety helmets shall be available at site. Welders shall wear good quality insulated welding gloves, goggles, face shield, shoes and overalls while at work.
2.11 ACCIDENTS In case of injury or serious illness of a worker, the CONSULTANT or OWNER shall be notified immediately. All accidents shall be recorded by filling in the ‘Accident Report’ form, which shall be kept in easy accessible location in the site office of the Contractor. Any ‘Near Miss’ incident shall also be reported by the Contractor and recorded.
2.12 INSURANCE
All the Contractor’s workmen shall be covered under the Employees State Insurance Scheme, Medi Claim Policy or any other scheme which may be specified by the Statutory Authorities from time to time.
2.13 REVIEW MEETING The SPM and/or DCPL shall conduct fortnightly Safety Review Meeting to review the safety conditions practised at work areas by the Contractor.
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2.14 WORK AFTER NORMAL WORKING HOURS Extra care shall be taken for jobs to be carried out after normal working hours with due revalidated work permit and supervised by the Contractor’s site in-charge. The site-in-charge shall make available his residential address and telephone number to the SPM and/or DCPL so that he can be contacted in case of an emergency. Proper lighting shall be ensured at the workplace for any work carried out after the normal working hours.
2.15 CONVEYANCE FOR EMERGENCY The Contractor shall ensure that conveyance and person with driving license is available at site at all times of work execution so that in case of an accident, the victim can be rushed to nearest medical centre.
2.16 SAFETY PRACTICES Avoid working under un-insulated live conductors or working on freshly painted steel, which is still wet. Stairs and railing shall be in place as long as necessary. Ladders shall be periodically checked for any defects. Ladders shall be securely fastened to prevent movement while in use. The Contractor shall advise his workmen to take the following precautions while using ladders: a) While ascending or descending, face the ladder. Use both hands for holding. b) Do not climb higher than the third rung from top on straight or extension-ladders and second
rung from top on set ladders. c) Step-ladders shall be fully open before use. d) Sliding down a ladder shall be prohibited. e) Make shift ladders such as clear fastened across a single rail and short ladders spliced
together shall never be used. f) Ladders shall be kept free from dirt and grease. g) Defective ladders shall be removed from use. h) Ladders shall not be left un-attended unless these are securely anchored at top and bottom. i) While using ladders, shoes shall not be greasy, muddy or otherwise slippery. j) Ladder shall not be used during severe windy conditions.
Lumber shall be piled out of the work area. Nails shall be removed or bent while handling lumber to avoid injury to workmen. While tearing down plaster or brickwork, dust shall be controlled with water. Walls shall not be subjected to lateral pressure or impact from materials stored or falling materials. The safety valves for boilers shall be set by trained personnel and shall be sealed or padlocked at safe working pressure. Only authorized person shall change the setting of safety valves. The safety valve relieving pressures shall be checked as recommended by the manufacturer and applicable codes. Blow down valves shall be operated strictly as per instructions. If blow cock is not marked with an arrow to show open and close position, the same shall be marked at site. Safety slogans and safety instructions shall be prominently displayed in English, Hindi and local language at strategic locations.
2.17 EMERGENCY PROCEDURES The Contractor shall familiarize himself with the emergency procedures, which apply to plants and areas in which his men are working.
First Aid Box shall be kept in the Contractor’s site office. The Contractor’s site-in-charge and his key supervisors shall be trained in administering first aid, preliminary treatment for electrical shocks, fall from height and burns etc. When an emergency condition exists or on hearing the ‘Stop Work Alarm’ every supervisor shall ensure: a) All work is stopped at once. b) All equipment is shutdown. c) All men are evacuated to a pre-determined assembly point.
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d) A roll call is taken and every man is accounted for. e) No one shall be permitted to return to work until notification has been received from a
responsible authorized agency that it is safe to do so.
2.18 REPONSIBILITY OF THE CONTRACTOR’S SITE IN CHARGE His primary responsibility is safety of personnel and equipment. He shall: Understand the company’s policy on maintaining safe working environment and appreciate the responsibility allocated to each grade of supervision. Know the safety requirements and relevant Government Regulations, and ensure their implementation. Ensure that sound, safe working methods and reasonable welfare facilities are provided for workers. Determine at the planning stage the following:
2.18.1 The most appropriate order and method of working 2.18.2 Allocation of responsibilities to supervisors 2.18.3 Storage areas and access etc. 2.18.4 Hazards which may arise from overhead or underground services 2.18.5 Facilities for welfare, first aid and sanitation 2.18.6 Work permit procedures and requirements 2.18.7 Basic fire precautions 2.18.8 Provide written instructions to establish work methods, to explain the sequence of
operations, to outline potential hazards at each stage and to indicate precautions to be adopted.
2.19 TIME SCHEDULE
2.19.1 The work shall be executed strictly within the time Frame ( As Mentioned in ‘Required Completion Schedule’) .
2.19.2 The Bidder shall furnish a proposed time schedule by CPM/bar-chart along with his quotation. The time schedule should indicate the details considering the date of intimation of award of contract as the zero date and should show completion of various activities there from.
2.19.3 The time schedule shall clearly include all important events regarding
engineering, procurement, construction, testing and handing over for each area, commensurate with the overall time schedule.
2.19.4 The time schedule shall form a part of the Contract Document.
2.19.5 BI-WEEKLY Progress reporting shall be done by the Contractor for engineering,
procurement and construction activities on mutually agreed formats. Reports on such formats will be sent regularly in soft copies with six (6) copies of print as per frequency / periodicity agreed upon from time to time.
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(Section – VII) TECHNICAL SPECIFICATIONS
I N D E X
Clause No. Description
No. of Sheet(s)
1.00.00 Intent of Specification
Forty Six (46) sheets
2.00.00 Scope of Work of the Tenderer
3.00.00 Technical Requirement
4.00.00 Performance Guarantee
5.00.00 Drawings, Data and Information Required along with Proposal
6.00.00 Drawings, Data and Information Required from Successful Tenderer
7.00.00 Exclusions
APPENDIX - A Site & Mill Services Data
Three (3) sheets
ANNEXURES Proposal Sheets: Annexure – I thru’ V
Sixty Three (63) sheets
DRAWINGS : As per list mentioned in Section-XX
Separate Enclosures
Table-I Bill of Quantities For Air Conditioning System
Furnished under
Section-VI Table-II List of Make - Air Conditioning System
Separate Enclosure
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1.00.00 INTENT OF SPECIFICATION This specification is intended to cover design, fabrication, manufacture, testing at
manufacturer’s works, supply, erection, commissioning, Performance Testing at site and on-site training of Air Conditioning System for New PM#5 complex of SPM at Hoshangabad, Madhya Pradesh, India on turnkey basis
All items of equipment and system covered under this specification shall be complete in all respect and any item of equipment or accessory not specifically mentioned in this specification but considered essential for efficient and satisfactory operation of individual equipment and system as a whole shall be included in the offer. The equipment shall conform in all respect to high standards of engineering design and workmanship and should be capable of performing continuous commercial operation within the parameters guaranteed.
2.00.00 SCOPE OF WORK OF THE TENDERER The scope of work of the Tenderer for this project shall include the following: 2.01.00 Scope of Supply for Air Conditioning System
Broad scope of supply for air conditioning system specified below and mentioned under section – VI, Clause - 1. Items that are not specifically mentioned, but required during erection & commissioning to complete the project on turnkey basis shall be supplied by contractor without any extra cost implication. If any extra quantity other than the quantity mentioned in the tender document needed during erection & commissioning to complete the project on turnkey basis shall be supplied by contractor without any extra cost implication. Items specifically mentioned in the tender document are to be supplied in full.
2.02.00 Scope of Services for Air Conditioning System 2.02.01 Design and engineering of the entire system including submission of drawings, design
calculations, data, test reports / certificates, data, instruction manuals (Operation and Maintenance), and performance curves as required by the SPM/DCPL.
2.02.02 Shop painting, shop testing. 2.02.03 Packing, forwarding, transportation to site, unloading at site, transportation from
unloading point to site store and from store to erection site, storing at site, complete work of erection, final painting as per approved colour scheme of the SPM , trial run, commissioning, performance testing at site and finally handing over to the SPM to their entire satisfaction.
The Erection activities shall also include minor cutting and Making good of holes on floors/walls and roofs kept by the SPM for routing of the system piping / ducting / cabling.
2.02.04 Training of SPM operating and maintenance personnel.
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2.02.05 Supply and Installation (i.e. laying, erection, termination and connection) of all outgoing cables (power, control and instrument) from Bidder’s 415V MCC CUM PDB / 415V Local Starter Panels (LSP) / 240V Switches / Receptacles including their testing and commissioning to respective drive motors, fire Dampers, field equipment. These shall include supply and erection of all necessary cable glands (double compression type), lugs, Fuses, Ferules termination accessories for all drives / equipment and devices of Air Conditioning System.
2.02.06 Installation of Cable Trays and Racks
Cable Trays / Racks/Cable shaft required for all outgoing power and control cables from bidder’s 415 V MCC cum PDB, Power Distribution Boards and Local Starter Panels shall be in bidder’s scope. Air Conditioning System contractor shall supply and install Cables along with Cable Trays and Racks for the Incoming and outgoing feeders for the MCC cum PDB. Incoming power supply to the MCC cum PDB shall be arranged by the AC Bidder from MV SWITCHGEAR ROOM located at Ground Floor 0.0 M Level between Bay D-E and grid no 9-12. Power supply to each LSP of AHU room shall be arranged by the AC Bidder from the MCC CUM PDB.AC. Bidder shall supply and install Cables along with cable trays and Racks for the incoming and outgoing feeders for the LSPs. Incoming power supply cable with cable trays and rack up to Receptacles (for split AC units) will be in the scope of Electrical Contractor and not in the scope of AC contractor. MCC for central AC plant and LSPs for AHU room /area have been included in the scope of AC contractor. Receptacles (for split AC units) shall be in the scope of Electrical contractor and not in the scope of AC contractor. Cable trays shall be overhead inside the building and shall be prefabricated ladder type, hot dip galvanized steel tray (2.0 mm thick) and shall be as per specification. The successful bidder shall submit cable – tray layout drawing for approval for all the areas under his scope of work. Constructional features and other requirements shall be as per General Electrical as applicable.
2.02.07 Cable Schedule
Preparation of cable schedule, interconnection diagrams and submission of the same shall be done. Separate cables for each type of following services / functions as applicable shall be used and laid along the run for each feeder.
a) Power b) Control, interlock and indication c) Metering and measuring d) Alarm and annunciation e) C.T. Cables f) Motor space heater cable g) Cables for motorized fire dampers
2.02.08 Termination of all incoming and outgoing cables in the MCC cum PDB, LSP and
Receptacles will be in the scope of AC Bidder.
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2.02.09 Control Logic Write-up
Contractor shall furnish control logic write up for the drives and equipment offered in
general and also for the drives and equipment to be controlled and monitored from control panels.
I. The write-up shall clearly indicate the following for the drives and equipment:
Quantity (Working and stand-by) Interlock (Process and safety) Starting Stopping Tripping Indication Audio-visual annunciation Interface with site mounted equipment
2.02.10 Supply, Installation, testing and commissioning of all electrical equipments, cabling and
grounding work including supply of earthing materials, cable termination kits, glands , lugs , pre fabricated cable trays / racks , steel supports and all other erection consumables, hardware, material and accessories , labor , tools and tackles etc as required.
2.02.11 Specific information / instruction to Bidders regarding services for electrical items:
a) Bidder shall furnish technical particulars of all equipment, drives and components along with his bid. Bidder shall also furnish the technical leaflets / catalogues for the equipment to be supplied by him.
b) Bidder shall furnish control scheme, GA drawing, control write-up, electrical equipment
layout for all equipment after award of contract. However an indicative layout showing the dimensions shall be furnished in the bid.
c) Bidder shall furnish comprehensive List of makes of all Drive motors, equipment with their components, termination accessories etc. in his offer. Reputed makes of proven quality will be acceptable.
d) The contractor shall furnish complete load list.
e) Cable tray layout drawings or equipment located within the boundary limits of plant
supplied by vendor.
f) Supply and installation of chiller starter, machine integral starter if any, special drives if any, and control panel with protections and safety interlocks built in with the machine as required for the Plant as described are in scope.
2.03.00 Above clauses specify the equipment & system for general guidance only. Any other
equipment and / or material necessary to ensure safe and satisfactory erection, commissioning and operation of the plant shall also be included in the scope of the specification.
2.04.00 Preparation and submission of "AS-BUILT" drawings(in Auto Cad format) in required no.
of sets along with soft copy in two CDs for the plant/system/sub- system/equipment/
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material as erected and installed at site incorporating change or modifications in the executed work.
3.00.00 TECHNICAL REQUIREMENT 33..0011..0000 System Description
3.01.01 Air Conditioning System A. Central chilled water AC system
One chilled water type central AC plant shall be provided to serve the following areas:
(a) PM hall finishing area at 6.0 m level. (b) MCC room at 6.0 m level & Medium voltage switch room at 0.0 m level (c) Control centre wet room and adjacent Engineering room at 6.0M level (d) Strong room at 0.0 m level (e) Laboratory & attached Office at 6.0 m level grid 21-24, DE bay
The central chilled water air conditioning system shall consist of the following:
I. Central Chilled water Plant consisting of:
3 x 50% capacity (Two nos. working and one no. standby) Packaged Screw chiller
3 x 50% capacity (Two nos. working and one no. standby) condenser water (CW) pumps
3 x 50% capacity (Two nos. working and one no. standby) chilled water (CHW) pumps
3 x 50% capacity (Two nos. working and one no. standby) Induced Draft Cooling Tower of FRP construction
1 no. Non chemical water treatment equipment 1 no. make-up water tank 1 no. chilled water expansion tank Condenser Water piping and insulated Chilled Water piping One no. 415V MCC cum PDB Central DDC Control Panels with Workstation PC Power, control and Instrumentation cabling and Grounding
The chilled water plant equipment like Packaged Screw chiller, condenser water (CW) pumps, chilled water (CHW) pumps along with 415V MCC cum PDB will be located in the AC plant building at ground floor outside E-row between grid 21-25. Central DDC Control Panels with Workstation PC will be located in AC plant control room at ground floor of the building. Cooling towers will be located on the roof (6.0 M level) of the building. Make-up water tank and Chilled water expansion tank will be located at 13.5 M level on D-E bay, 16-17 grid. The condenser cooling water shall be circulated through the Chiller units and Cooling Towers by means of centrifugal pump sets. The chilled water produced by the chilling units shall be circulated to the Air Handling Units (AHU) / Fan coil units located adjacent to / inside the AC spaces by centrifugal pump sets. At the AHUs / FCUs, air from the service space will be cooled by exchanging heat with the chilled water to maintain the specified design conditions, as indicated under design parameters. The flow of chilled water through the cooling coil of each AHU / FCU will be controlled by means of a
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motorized 3-way mixing valve provided with the cooling coil outlet. Such control valve will operate with the sense of the temperature sensors placed in the RA path through DDC.
II. The air circulating system shall consist of the following equipment:
Air Handling Units / Fan Coil Units Air distribution system like ducting, thermal insulation (for entire SA Ducting) and
acoustic insulation (6M from the outlet of AHUs) of ducting, grilles/diffusers with Volume Control Dampers (VCD) as applicable, flexible connection and volume control dampers at the outlet of AHUs, & fire dampers.
Chemical filter for MCC room at 6.0 m level, MV Switchgear room at 0M level, Wet section Control room and associated engineering room at 6.0M level.
Duct mounted Electric Strip Heater (for PM finishing hall & Strong room) Electrode type Humidifiers located in AHU room (for PM finishing hall & Strong
room)
PM finishing hall area will be air conditioned by four nos.(4x25%) Air Handling Units (located at 9.0 M level, D-E bay, 34-38 grid) connected to common supply air duct and grilles. Return air will enter the Air Handling Units directly from the hall. Outside fresh air will be inducted into each AHU through a Fresh Air system consisting of an inlet louver, dry panel type filter, a fan, SA register and mixed with the return air in AHU room. Fresh air fans with filter will be located on the wall near each AHU. Strong room will be air conditioned by two nos. (2x100%) Air Handling Unit (located at 9.0 M level, D-E bay, 33-34 grid) connected to supply air duct, fire dampers and grilles. Supply air duct will enter the Strong room through floor opening of 6.0 M floor. Return air will enter the Air Handling Unit through floor opening and a short return air duct from floor opening to the Air Handling Unit. Outside fresh air will be inducted into the AHU through a Fresh Air system consisting of an inlet louver, dry panel type filter, a fan, SA register and mixed with the return air in AHU room. Fresh air fan with filter will be located on the wall near the AHU. MCC room at 6.0 m level & Medium voltage switch room at 0.0 m level will be air conditioned by common Air Handling Units (2 X 50% AHUs located in AHU room at 6.0 M level, D-E bay, 14-15 grid) connected to MCC room & Medium voltage switch room through supply air ducts, fire dampers and supply air grilles. Return air will enter the AHU room through return air shaft, fire dampers and return air duct. Outside fresh air will be inducted into the AHU room through a Fresh Air system consisting of an inlet louver, dry panel type pre-filter, chemical filter media of 3 layers each of 300 mm thickness, a centrifugal fan with drive motor, V-belt drive etc., volume control damper and mixed with the return air in AHU room. Control centre wet room and adjacent Engineering room at 6.0M level will be air conditioned by two nos. (2x100%) Air Handling Units (located in AHU room at 6.0 M level A-O bay, 9-10 grid. outside A-row) connected to the rooms through supply air ducts and supply air grilles. Return air will enter the AHU room through the space above false ceiling. Outside fresh air will be inducted into the AHU room through a Fresh Air system consisting of an inlet louver, dry panel type pre-filter, chemical filter media of 3 layers each of 300 mm thickness, a centrifugal fan with drive motor, V-belt drive etc., volume control damper and mixed with the return air in AHU room. Laboratory and adjacent office located at 6.0 m level between grid 21-24, DE bay will be air conditioned by one no. (1x100%) AHU located at 9.0 m level between grid 21-22, DE bay. Air will be supplied to the rooms through supply air ducts penetrating 9.0 m floor at different locations for fixing diffusers along row-E. Similarly, return air duct will be placed
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along row-D on 9.0 m floor for collecting return air through return air diffusers by floor penetration at different locations and will enter the AHU room. Electric strip heater will be provided at supply air duct and electrode humidifier will be provided in AHU room. Outside fresh air will enter the AHU room through rain protection cowl with bird screen and volume control damper. Two nos. Fan Coil Units will be provided for air conditioning of AC plant control room.
III. Fire protection system In case of fire, power supply to all the Air Conditioning equipment will be “OFF” and the
relevant fire dampers will be closed with the sense from smoke / fire sensors through zone fire panels.
IV. Electrical scope pertaining to central AC system
One no. MCC cum Power Distribution Board will be located in central AC plant control room. Power will be supplied from the MCC cum PDB to the screw chillers and the panels, all the condenser water pumps, chilled water pumps and cooling towers and FCUs for AC Plant Control room. The MCC cum PDB shall be interfaced with DDC panels. One (1) no. DDC System consisting of a Panel housing Direct Digital Controllers with one Workstation PC for operation and control of Central Chilled Water Plant including pumps, AHUs, Motorized 3-way Mixing valves of AHUs, Cooling tower fans, Motorized fire dampers, Electric strip heaters, Electrode humidifiers, Fresh air fans. This DDC system will also incorporate one common Hooter for audio annunciation of any malfunction of the AC system and equipment. Local Starter Panel (LSP) shall be located near AHU station. Such LSP will supply power to AHU fans, fresh air fans, fire damper motors, electric heaters and humidifiers. Local Push Button Stations for Cooling Tower fans. Necessary power, control and Instrumentation cables, Cable trays / Conduit details and grounding are to be provided by the AC bidder. Such scope shall also include the provision of Incoming feeder to the AC MCC cum PDB. Only the incoming cables to each Split AC unit, terminated in a Receptacle shall be provided by the SPM through Electrical package. Incoming power is to be fed to the MCC cum PDB from the nearest power sources. Single phase power is to be fed to the FCUs of AC Plant Control room from the MCC cum PDB. All the LSPs and Power supply DBs shall be suitably interfaced with the zone fire panels in such a way that in case of fire, all the AHUs and relevant FCUs can be stopped automatically
V. Controls & Instrumentation pertaining to central AC system
a) One DDC system shall be provided to control and monitor the central AC system. The DDC system shall be complete with I/O panels, field sensors and transmitters, interconnecting instrument cables, grounding and one work station (PC) with necessary software for control and monitoring of the Central AC System and generation of alarm list, report etc.
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The DDC system shall be interfaced with: The Air Conditioning MCC cum PDB. The Microprocessor based control panels of Screw Chillers. The LSPs located in near AHU stations. The Temperature and RH sensors and their associated transmitters located in
the RA path. The work station and the Hooter.
b) The FCUs provided for AC Plant Control room shall be associated with their individual
local wall mounted controllers. Such controllers will maintain the desired room temperature by on /off operation of the 3-way control valve associated with FCUs with the sense of room temperature through built-in thermostat. Provision of changing temperature set-point and fan speed shall also be kept with such controllers
B. Air conditioning with Air cooled split air conditioners
Areas to be served by air cooled split air conditioners are mentioned below:
10.0 m level (a) Offices and meeting room between 16-20A grid, D-E bay 6.0 m level (b) Control centre dry section between 16-17 grids outside A-row (c) Offices between 33-35 grid, D-E bay (d) Recreation room between 35-36 grid, D-E bay (e) Offices between 16-18 grid, D-E bay (f) Control room 1-3 grid, D-E bay (g) Offices between 9-10 grid, G-I bay (h) Recreation room 9-10 grid, F-H bay (i) First Aid between 18-19, D-E bay 0.0 m level (j) Offices between 25-27 grid, D-E bay (k) Meeting room between 24-25 grid, B-D bay (l) Recreation room 16-17 grid, D-E bay (m) Control room – chemical preparation 8-9 grid, F-G bay (n) Electrical room – chemical preparation 7-8 grid, F-G bay Non-duct able Split air-conditioners for air conditioning of the above mentioned areas. Stand-by units will be provided for Control room for Dry Section between 16-17 grid outside A-row at 6 M level, Control room 1-3 grid, D-E bay at 6M level, Control room – chemical preparation 8-9 grid, F-G bay at 0 M level and Electrical room – chemical preparation 7-8 grid, F-G bay at 0 M level. Each Non-duct able Split air-conditioner will be operated and controlled by microprocessor based cordless remote control panel and plug top with connecting cable for each split unit. Receptacles (Socket with a Switch) shall be kept near each non duct-able split units. Single phase AC power will be fed to each Receptacle from the nearest power source through a MCB. Each Non Duct able Split Air Conditioner shall be provided with its built-in operating and safety controls and interlocks.
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33..0022..0000 Design Basis
3.02.01 Outside Design Conditions The outside design conditions considered are as follows:
Temperature Summer Monsoon Winter
DBT (deg.C) 45.03 27.6 14.6 WBT (deg.C) 23.08 24.8 11.2
The above design outside temperature have been decided on the basis of Climatological Data of Hoshangabad.
3.02.02 Design Basis of Air Conditioning System A. Design Parameters
I. The internal design conditions in various areas to be maintained are as follows:
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH aallll tthhrroouugghh tthhee sseeaassoonn ffoorr::
• PM finishing area 224400CC±± 1100CC DDBB aanndd RRHH nnoott eexxcceeeeddiinngg 6600%% ((aallll SSeeaassoonn)) ffoorr ::
• MCC room (grid 10-14 at 6.0 m level) • Medium voltage switchgear room DE/10-12 • Control centre wet section and Engineering room
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH aallll tthhrroouugghh tthhee sseeaassoonn ffoorr::
• Strong room
225500CC±± 1100CC DDBB aanndd RRHH nnoott eexxcceeeeddiinngg 6600%% ((aallll SSeeaassoonn)) ffoorr :
• Dry Section Control Room outside A-row Grid 16-17 at 6 M level • Electrical room – chemical preparation F-G / 7-8 at 0M level • Control room – chemical preparation F-G / 8-9 at 0M level • AC Plant Control Room inside AC Plant Building • Recreation Rooms at 6M and 10M level • Meeting rooms at 6M and 10M level • Offices at 6M and 10M level
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH aallll tthhrroouugghh tthhee sseeaassoonn ffoorr::
• Laboratories at 6M level
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II. Fresh Air Requirement Fresh air shall be inducted to the air re-circulation system @ 34 CMH per person or 1 air
change per hour, whichever is higher. For Strong room fresh air @ 0.5 air change /hr shall be supplied.
III. Heat Load and other parameters
Sl. No.
Zone Occupancy Equipment Load (KW)
Lighting Load
(W/sq.ft)
Air Change (per hour)
CMH / person
1 PM Finishing Area at 6.0 m level
25 150 1 1 34
2 Strong room
10 0 1 0.5
3 MCC Room (D-E bay, grid 10-14 at 6.0 m level)
4 75 1 1 34
4 Medium voltage switch gear room (D-E bay, grid 10-12 at 0.0 m level)
3 60 1 1 34
5 Control centre wet section and engineering room between 6-9 grid outside A-row at 6.0 m level
8 5 1 1 34
6 Offices and meeting room between 16-20A grid, D-E bay, 10.0 m level
6 1.5 1 1 34
7 Control centre dry section between 16-17 grids outside A-row, 6.0 m level
4 1.5 1 1 34
8 Offices between 33-35 grid, D-E bay, 6.0 m level
10 1 1 1 34
9 Recreation room between 35-36 grid, D-E bay, 6.0 m level
14 0 1 1 34
10 Offices between 16-18 grid, D-E bay, 6.0 m level
5 1.25 1 1 34
11 Control room 1-3 grid, D-E bay, 6.0 m level
2 0.5 1 1 34
12 Offices between 9-10 grid, G-I bay, 6.0 m level
4 0.5 1 1 34
13 Recreation room 9-10 grid, F-H bay, 6.0 m level
8 0 1 1 34
14 Offices and laboratories between 21-24 grid, D-E bay, 6.0 m level
7 1.25 1 1 34
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Sl. No.
Zone Occupancy Equipment Load (KW)
Lighting Load
(W/sq.ft)
Air Change (per hour)
CMH / person
15 First Aid between 18-19, D-E bay, 6.0 m level
2 0 1 1 34
16 Offices between 25-27 grid, D-E bay, 0.0 m level
4 0.5 1 1 34
17 Meeting room between 24-25 grid, B-D bay, 0.0 m level
12 0.5 1 1 34
18 Recreation room 16-17 grid, D-E bay, 0.0 m level
12 0 1 1 34
19 Control room – chemical preparation 8-9 grid, F-G bay, 0.0 m level
2 0.5 1 1 34
20 Electrical room – chemical preparation 7-8 grid, F-G bay, 0.0 m level
1 2 1 1 34
21 Central AC plant control room
1 0.5 1 1 34
IV. Cooling Load Margin
Cooling load estimation for various facilities shall be done based on the above design
considerations and allowing following margin: 5% margin on room sensible heat 5% margin on room latent heat 10% overall margin on the total load and dehumidified air quantity
V. System Component Sizing /design Criteria
a) Equipment shall be sized to meet calculated loads at peak design requirements.
b) The Air-conditioning spaces shall be maintained at positive pressure to avoid any
infiltration of dust.
c) Pipe Sizing Criteria – 4 m / 100 m pressure drop and a maximum velocity not exceeding 2.5 m/s shall be considered for the sizing of all pipes.
d) Design Criteria for Air Inlet Louver – Face velocity of the louver shall be 2 m/s (max.).
e) Design Criteria for Volume Control Damper – Velocity across the damper shall not
exceed 10 m/s. f) Filter Design Criteria – Face velocity shall be 2.5 m/s for panel filter. Max. Pressure
drop shall be 6 mm of WC. Thickness shall be at least 50 mm.
g) Duct Design Criteria – Velocity shall be 8 m/s (max.) for main duct, 6 m/s (max.) for branch duct and max.2 m/s for the grille / diffuser. All ducting will be designed on equal friction method. Ducts for air distribution will be made of 180 Grade (As per IS-277) GI sheets. Thickness shall be as per IS-655.
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Desired Make-up Water Quality – clarified water (Normal water)
h) Motorized Fire dampers rating shall be 90 min. i) Thermal insulation will be provided for the entire supply air ducting of AC system.
j) Velocity across Chemical filters shall not exceed 0.25m/s.
Thermal Insulation Design Criteria:–
Item Thermal Insulation
Ducting 13mm thick aluminum foil faced Nitrile Rubber Refrigerant Piping for Split Air Conditioners.
26 mm Nitrile Rubber with 30G aluminum sheet cladding.
Refrigerant Piping of Screw type Packaged Water Chilling Unit
39 mm thick aluminum foil faced Nitrile Rubber
Chilled Water Piping and associated valves.
Chilled water piping shall be insulated with 39 mm thick aluminum foil faced Nitrile Rubber The portion of CHW pipe exposed to atmosphere shall be insulated with 50 mm thick (TF quality) expanded polystyrene and finished with chicken wire mesh, 12 mm thick sand-cement plaster and an overall cladding of 30 G Al. sheet.
Drain Piping from AHU/ Split AC units and Chillers
Drain Piping shall be insulated with 26 mm thick aluminum foil faced Nitrile Rubber
Screw type Packaged Chiller 39 mm thick aluminum foil faced Nitrile Rubber Chilled Water Pump 39 mm thick aluminum foil faced Nitrile Rubber Expansion Tank 6mm thick aluminum foil faced Nitrile Rubber Air Handling Unit At least 25 mm thick PUF sandwiched between two
skins of AHU. Split AC Unit As per Manufacturer’s Standard.
Note: No further cladding is required for the items like Ducting and refrigerant piping of chiller and CHW piping except for the portion of piping exposed to atmosphere.
k) Acoustic insulation will also be provided on the supply air duct up to a length of 6m from the air outlets of AHUs. Acoustic Insulation Design Criteria:-
Duct acoustic insulation shall consists of 25mm thick fibre glass rigid board (48 kg/cum density) covered with fibre glass cloth & 30G perforated aluminium sheet with 30 % perforation to be provided up to 6M from the outlets of AHUs.
B. Components Special Features
Components shall be specified for continuous operation.
C. Specific Requirement
I. All AC equipment including ducting except cooling tower and make-up water tank shall be installed inside the buildings.
II. Air conditioning supply air ducts shall be provided with motorized fire dampers at
suitable locations, which will close the duct on receiving fire signal from fire protection
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system. Also respective evaporator fans shall trip on receiving fire signal from fire protection system. Such control will be effected through DDC.
III. All motors shall have margins as follows:
a) At least 20% margin on BHP for pumps. b) At least 20% margin on BHP for AHU fans. c) Margin on BHP for Compressor of main plant shall be as per Manufacturer’s
standard. d) Motors are to be designed for operation at 600C temperature.
D. Performance Requirement
All equipment performance shall not be less than those specified or as rated over specification. Performance requirement for maintaining inside condition is specified below: 225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH aallll tthhrroouugghh tthhee sseeaassoonn ffoorr::
• PM finishing area 224400CC±± 1100CC DDBB aanndd RRHH nnoott eexxcceeeeddiinngg 6600%% ((aallll sseeaassoonn)) ffoorr::
• MCC room (grid 10-14 at 6.0 m level) • Medium voltage switchgear room DE/10-12 • Control centre wet section and Engineering room
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH aallll tthhrroouugghh tthhee sseeaassoonn ffoorr::
• Strong room
225500CC ±± 1100CC DDBB aanndd RRHH nnoott eexxcceeeeddiinngg 6600%% ffoorr:
• Dry Section Control Room outside A-row Grid 16-17 at 6 M level • Electrical room – chemical preparation F-G / 7-8 at 0M level • Control room – chemical preparation F-G / 8-9 at 0M level • AC Plant Control Room inside AC Plant Building • Recreation Rooms at 6M and 10M level • Meeting rooms at 6M and 10M level • Offices at 6M and 10M level
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH aallll tthhrroouugghh tthhee sseeaassoonn ffoorr:: • Laboratories at 6M level
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3.02.03 Building construction details (assumed)
The following building constructional details will be considered for AC calculations: Walls below 6.0 m level:
200 mm thick brick construction with 12mm / 18 mm thick inside / outside sand cement plaster. Walls above 6.0 m level: For air conditioned areas, double panel sand-witched galvanized sheets or galvalum sheets with liner will be provided. For AC areas, partly brick wall and partly sheeting shall be provided. For other areas, single panel zincalum or galvalum sheet shall be considered. Roofs For air conditioned areas, galvalum or zincalum sheet with protective insulation shall be provided. For other areas, single panel zincalum or galvalum sheet shall be considered. Floors shall be of 150 mm thick RCC slab and floor tiles.
Glass: single pane glass without shading.
33..0033..0000 Control Philosophy
3.03.01 Control Philosophy of Air Conditioning System A. Chilled Water Air Conditioning System
The control system shall comprise central DDC Panels with one PC as work station located in the AC Plant control room. The basic function of the system is as follows: -
To closely control and monitor inside temperature and humidity condition inside
the air-conditioned spaces. To optimize / minimize energy consumption by automated operation.
To provide centralized monitoring and control for various mechanical facilities
including sequential start / stop of the whole AC system. To generate maintenance data and alarms.
To maintain records of plant operation.
Programmed start / stop of individual AHU as per operating requirements and for
maintaining the room temperature / RH by controlling the 3 way mixing valves at chilled water line, humidifier and duct heater.
Safe and reliable operation, supervision & control, alarm & event management
and optimization, maintenance management of the entire AC system shall be accomplished with the DDC system.
The DDC system shall be interfaced with:
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The Air Conditioning MCC cum PDB. The Microprocessor based control panels of Screw Chillers. The LSPs located in each AHU rooms. The Temperature and RH sensors and their associated transmitters located in
the AHU rooms. The work station and the Hooter.
The MCC cum Power Distribution Board will be located in central AC plant control room. All the condenser water pumps, chilled water pumps and cooling towers will be operated from the central DDC panel. Each Packaged Screw Chilling unit shall have unit mounted microprocessor/DDC based control panel incorporating operation and control of the chilling unit. Each AHU room will be provided with one LSP to feed power to AHUs, Motorized 3-way valves, fresh air fan, heater, humidifier, fire damper and smoke exhaust fans. All the operations as mentioned above shall be actuated from the central DDC panels.
B. Non Duct able Split Air Conditioners Non-duct able Split air-conditioners will be controlled by microprocessor based cordless remote control panel.
C. The FCUs provided for AC Plant Control room shall be associated with their individual local wall mounted controllers. Such controllers will maintain the desired room temperature by on /off operation of the 3-way control valve associated with FCUs and their speed control with the sense of room temperature through built-in thermostat. Provision of changing temperature set-point shall also be kept with such controllers.
D. All the LSPs and Power supply DBs shall be suitably interfaced with the zone fire panels
in such a way that in case of fire, all the AC plant equipment, AHUs, FCUs /Split units, Fans etc. will be stopped automatically.
3.04.00 General Design & Constructional Requirement
General Design & Constructional Requirement are furnished for the following items:
Sl. No. Description 3.04.01 General 3.04.02 Water Cooled Packaged Screw Chillers 3.04.03 Water Pumps 3.04.04 Induced Draft Cooling Towers 3.04.05 Piping 3.04.06 Valves & Accessories 3.04.07 Air Handling Equipment 3.04.08 Air Filters 3.04.09 Duct Work 3.04.10 Insulation 3.04.11 Split AC Units 3.04.12 Fresh air system 3.04.13 Miscellaneous Items 3.04.14 Instruments
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3.04.01 General A. All the equipment shall be capable of withstanding the stresses which may be
experienced during normal operation and test. B. All the equipment shall be heavy-duty type suitable for installation in heavy industries and
long period of uninterrupted service. C. All the equipment shall be designed to permit inter-changeability of parts and ease of
access during inspection, maintenance, installation and repair of various parts. D. All parts subject to substantial temperature changes shall be designed and supported
such as to permit free expansion or contraction without resulting in leakage, harmful distortion misalignment or play.
E. All electrical and mechanical equipment shall be designed and manufactured in such a way so that no damage will result from sea shipment, inland transportation and from storage, installation and operation of the equipment with the climatic conditions to which it will be subjected.
F. Proposals for repair or any similar operations involving the plugging, welding, boring or addition of metal to the original castings shall be submitted to the SPM / DCPL and approval shall be received before any such work is carried out. Drawing showing details and locations of such modifications shall be submitted to the SPM / DCPL for his records.
G. All materials used shall conform to the specification and shall be new and first class in all respects.
H. Anchor bolts, nuts and seating steelwork shall be supplied with the equipment. Only hexagonal nuts shall be used for holding down the equipment, with proper lock nuts. All bolt holes shall be spot faced for nuts. In specific cases where it is not necessary spot facing may be omitted.
I. Casting and welding shall conform to their respective specifications and shall be free from flaws and objectionable imperfections, machined true and in a workmanlike manner.
J. The separate pieces of equipment shall be marked with unit number as specified in Tables. The assembly drawing shall indicate part number of each equipment and unit number for easy correlation.
K. Coupling guards and belt guards shall be provided as applicable. 3.04.02 Water Cooled Packaged Screw Chillers Each Water Cooled Packaged Screw Chiller shall consist of: A. Refrigerant Compressors (Twin Screw Type)
(a) The compressor may be designed for direct drive.
(b) The compressor assembly shall be adequately designed for minimum vibration and noise
disturbances. (c) The shaft seal shall be of proven design.
(d) All safety devices against high-pressure refrigerant, low-pressure refrigerant and low oil
pressure shall be provided, High winding temperature through PTC sensor. The compressor units must be provided with oil pressure regulator.
(e) The horsepower of the compressor motor shall be sized for 120% of maximum rated
power required for the unit including the drive loss.
(f) The compressors shall be provided with built-in-unloaded starting device. The compressor shall have automatic capacity control device preferably built-in-type to match reduced refrigeration load.
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(g) Capacity control must be achieved by use of slide valve, which provides fully modulating capacity control from 100% to 10% (20%, at least) of full load. The slide valve shall be actuated by oil pressure controlled by external solenoid valves.
(h) The oil separator should be effective enough to incur gravity drop out of oil from the
refrigerant gas before it enters the condenser. B. Heat Exchangers (Condensers and Chillers)
(a) All condensers shall be of shell and tube type with water in the tubes and refrigerant in the shell.
(b) All chillers for chilled water plant shall also be shell and tube type with water either in
tubes or outside the tubes.
(c) The heat exchanger shall be designed for a minimum working pressure of 10.5 kg/cm2 gauge on the water side and 11.3 kg/cm2 on the refrigerant side and shall generally conform to the latest ASME CODE for unfired pressure vessels Section- VIII. The design pressure shall have a reasonable margin over the maximum working pressure.
(d) The average velocity of water in tubes shall not be more than 2.5 m/sec.
(e) Water heads or refrigerant heads of the heat exchangers shall be as not to allow leakage
of fluid from one pass to the other.
(f) Tube supports of adequate strength shall be provided to prevent the tubes from sagging and vibrating.
(g) The overall fouling factor for the condensers and chillers shall be 0.0002 and 0.00013
Hr.M2 oC /KCal respectively.
(h) The condensers shall be designed to provide at least 2 °C sub cooling of refrigerant under rated design condition. The water chillers also shall be designed to superheat the refrigerant by at least 3 °C under rated design condition.
(i) Testing and other design feature of the heat exchanger shall meet the requirements of
TEMA Class-C heat exchangers or approved equal.
(j) The heat exchangers shall have open able water boxes for ease in maintenance.
(k) The tube for water chillers shall be of deoxidised copper with or without integral fins. The tubes for the condensers shall also be copper with integral fins. The tube wall thickness at any point shall not be less than 18 SWG.
(l) The baffle plates and the tube sheets shall be made of steel. The shell shall be made up
of seamless tube or shall be fabricated from flange quality steel plate (ASTM-A285 Grade-C). The tube support plates shall be made of flange quality carbon steel plates and shall be as per TEMA Standard.
(m) The heat exchangers shall be provided with vent valve, relief valve, and/or safety fusible
plug on refrigerant side and vent valve and drain valve on water side (at every section of the baffled shell of heat exchanger).
(n) The tenderer shall quote packaged units having compressor, condenser and chiller
assembly together in a single framework and mounted on a common base plate. Provision for refrigerant charging and chemical cleaning of water tubes shall be provided.
(o) Each heat exchanger shall be provided with water flow switch. This shall be interlocked
with the control of the individual refrigeration system/corresponding compressor drive.
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(p) All the heat exchangers shall be provided, with standard connections like thermo wells, inspection valve and antifreeze thermostat / temperature sensor and external equaliser connection for expansion valves for chiller. Insulation shall be terminated in such a manner that it will not be damaged during removal of bolts, covers etc. Separate covers similar to flange covers shall be constructed to facilitate easy removal.
3.04.03 Water Pumps I. Each pump shall be of horizontal split casing centrifugal type, directly coupled to electric
drive motor and mounted on a common base plate. Pumps having motor of 5 HP capacity or below can be of mono-block construction, provided its materials of construction are as per 2.03.04 below and motor is as per desired motor specification.
II. The pump shall be complete with casing, impeller, renewable type wearing rings, shaft,
shaft sleeve, bearings, stuffing box, Mechanical Seal (if applicable), cowlings, base plate etc. as applicable. The design pressure for the casing shall not be less than 16 bar for chilled water pumps.
III. Pump head-capacity characteristics shall be gradually rising from operating to shut off
point without any zone of instability. The pump BHP-flow characteristics shall be preferably be non-over loading type beyond rated capacity point.
IV. Operating speed of the pump shall not preferably be more than 1500 rpm. Vibration
isolations of efficiency 90% (approx.) shall be provided. V. Material of the pump shall preferably as follows (all material shall be of tested quality).
a) Casing : Cast Iron, as per IS 210, Gr FG 260 for both CHW & CW pumps. (As per manufacturer’s Standard)
b) Impeller : Bronze to IS: 318 Grade 2 c) Shaft : Carbon Steel C-45. d) Shaft sleeve : Bronze e) Wearing ring : Bronze f) Base Plate : Cast Iron
VI. Pumps shall be provided with suitable bearings sized adequately to take the maximum possible unbalance load occurring due to all mechanical and hydraulic reasons.
VII. Pump and drives shall be directly coupled through a flexible coupling. Suitable coupling
guard shall be provided for each pump.
VIII. Each pump shall be completed with glycerine filled pressure gauge at the suction and discharge, isolating valves, all integral piping required for sealing and cooling, casing drain and vent connections etc. The pressure gauge of pump will be connected with a siphon and a two-position brass cock.
IX. The rated BHP of the motor shall provide for 20% margin over the rated BHP of the
pump. For other electrical particulars of the motor refer detailed specification of the motors.
X. The design of the pumps shall conform to the relevant IS Code.
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XI. Major rotating components of the pumps like impellers, balancing drums etc. shall be individually balanced statically and finally each pump shall be dynamically balanced.
XII. The critical speed of the pump shall be at least 20% above the operating speed. XIII. All pumps and motors shall be aligned properly, and bolted and doweled to a common
base frame. 3.04.04 Induced Draft Cooling Towers I. The cooling towers shall be cross flow induced draft type with FRP casing & sump with
air entry on all four sides and air discharge on top. The fan motor shall be easily accessible from outside and out of moist air stream.
II. The internals shall be of stainless steel SS to withstand corrosive atmosphere. The tower shall be of low height, suitable for round the clock operation at location in the space shown in the applicable drawings. The tenderer shall confirm that the tower supplied by them can be accommodated in the space shown in the drawing.
III. Cooling tower shall be of sufficient capacity to cool the rated amount of water through the specified range at the design W.B. temperature.
IV. The structural frame work of the tower including all members and connections shall be designed for operating loads and prevailing wind pressure. Steel members shall be MS epoxy painted and be of sufficient size to safely withstand all imposed loads.
V. FRP casing sheets shall be clamped on close centre to the structural steel members. Rubber neoprene gaskets must be used on all bolted joints as a seal against water leakage.
VI. Louvers shall be of fixed type. VII. The fan deck shall be of ample strength to support all loads normally encountered in
operation and maintenance. Stiffeners shall be provided on the under side. VIII. Galvanised steel ladder along with necessary platforms with safety cage and hand railing
shall be provided in such a number and locations as necessary to give safe and complete access to all parts to tower requiring occasional inspection or adjustment. An access door shall be provided for fan deck and the cell for ready access to the interior parts of the tower.
IX. Filling shall be of extended area of formed PVC suitable to withstand hot water temperature of 60°C.
X. Louvers and drift eliminators shall be of PVC/FRP construction. XI. Eliminators shall be provided in removable sections & installed in the cell of the tower.
The number of deflection in the eliminators shall be so arranged as to reduce drift loss to 0.2% of the water circulated.
XII. The water distribution system shall be open basin with gravity feed nozzles. The system shall be self draining and non-clogging and designed for flexible operation and ready accessibility. All main piping connection shall be brought out and end in flanges, to flexible connection.
XIII. The cold water basin shall be of F.R.P. construction. The basin shall be complete with float valve for male up water control, a drain and overflow connection. The make-up water supply pipe shall be positioned at least double the pipe diameter above the maximum water level in the basin. The water basin shall be constructed such as to provide a coarse strainer of Brass wire mesh easily accessible from outside.
XIV. Fan shall be of the propeller type, cast aluminium and multi bladed aerofoil construction with adjustable pitch. The entire fan assembly shall be statically balanced. Outlet velocity of air shall be not less than 610 meters per minutes and the fan tip speed shall not exceed 4570 meters per minute.
XV. Each fan shall be either direct driven or gear driven. Where reduction gears are used, housing shall be of heavy cast iron construction with large oil reservoir and complete with supply of oil.
XVI. Fan motors shall be of the totally enclosed fan cooled type and of the required capacities. Motor shall preferably be located outside the moist air stream.
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XVII. Fan drive shaft using reduction gearing shall be dynamically balanced and connected through flexible couplings.
XVIII. The mechanical equipment assembly shall be adequately supported on the fan deck. XIX. Fan discharge hatch shall be covered with galvanised wire mesh to prevent birds nesting
during idle periods. XX. All nuts, bolts and fasteners used in the cooling tower shall be stainless steel / Nickel or
chrome plated. 3.04.05 Piping A. Refrigerant Piping
I. Refrigerant piping shall be of M.S. seamless (as per IS-1239, Part-I heavy grade) or copper tube (IS-5493). Welding rings shall be used for smaller pipes. Weld preparation of joints, cleaning of pipes shall be carried out as per relevant code.
II. Pressure drop in hot gas, liquid and suction lines should not exceed the value corresponding to 2 °F (1.1 Deg C) change in saturation temperature of the fluid.
III. Velocity in the discharge and suction pipe of the refrigerant shall not be too high as to
create undue vibration and noise, velocity in the vertical length of discharge and suction pipe of the refrigerant shall be high enough to carry the entrained oil in the refrigerant, even in case of unit running at lowest partial capacity. An angle type drain valve with male flare outlet connection will be installed at the bottom end of each vertical riser pipe to drain any accumulated oil.
IV. Instrument piping for gauges, switches etc. shall be copper only. Capillary tubes will be
used wherever possible. V. Spacing and location of hanger shall conform to preferred engineering practice. Hangers
and supports shall be made up of structural steel sections. The design of the hangers and supports shall provide for suitable protection to insulation on the pipes, wherever applicable. All materials for anchoring the hangers with reinforced concrete work or building structural beams and columns shall be furnished by the Bidder.
VI. Liquid-moisture indicator with leak proof glass on opposite sides shall be provided in the
liquid line for facilitating visual inspection of liquid refrigerant charge.
VII. The liquid line shall be provided with Drier-Strainer. B. Water Piping
I. Condenser cooling water piping and chilled water piping for 100 NB or below GI-Heavy Class conforming to IS-1239, Part-I, for higher sizes black steel pipe, heavy grade conforming to IS-3589, Fe 410 grade. Drain water piping shall be of M.S. heavy grade.
II. The piping shall be so designed that the water velocity through the piping shall not
exceed 2.5 m/sec and also the piping friction drop shall be limited to 4 m per hundred meters of pipe length. Pipe sizes indicated in tender drawings shall be followed.
III. The pipes shall be of plain end in case of M.S. Pipes (i.e., suitable for welded
connections) as far as possible. IV. Counter-flanges for connecting to flanges on valves or equipment shall be made of IS-
2062 or superior and shall preferably be slip on type, suitable for welding on the piping in case of M.S. Piping.
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V. All bolts and nuts for flange connection shall be hexagonal carbon steel type as per IS-1363 and with the material and other requirements as per IS-1367. All threaded valves shall be provided with nipples and flanged pairs on both sides to permit flanged connections for ease of removal / replacement of valves.
VI. Bends, fittings fabricated at site are not acceptable. The Contractor shall use the
standard fittings / bends, as per IS-1239, Part-II. VII. Spacing and location of hanger shall conform to preferred engineering practice. Hangers
and supports shall be made up of structural steel sections. The design of the hangers and supports shall provide for suitable protection to insulation on the pipes, wherever applicable. All materials for anchoring the hangers with reinforced concrete work or building structural beams and columns shall be furnished by the Bidder. The supports within the plant room shall be of structural/pipe supports from the floor, provided by the A.C. Contractor.
VIII. The flanged joints for water line will use canvas, impregnated rubber gasket. Compressed
fiber gaskets shall be used with flat face flanges and raised face slip-on flanges. Spiral wound gaskets shall be used with raised face flanges, except for raised face slip-on flanges. Gaskets containing asbestos are not acceptable.
Gaskets shall be suitable for the design pressures and temperatures: -
i) Compressed Fiber Gaskets: Compressed fiber gaskets shall be in accordance with
ANSI B16.21, and materials shall be suitable for a maximum working pressure of 40 bar and a maximum working temperature of 400° C. Gaskets shall be dimensioned to suit the contact facing. They shall be full faced for flat face flanges and shall extend to the inside edge of the bolt holes on raised face flanges. Gaskets for plain finished surfaces shall be not less than 1.6 mm thick and for serrated surfaces shall be not less than 2.4 mm thick.
ii) Spiral Wound Gaskets: Spiral wound gaskets shall be constructed of a continuous
stainless steel ribbon wound into a spiral with non-asbestos filler between adjacent coils. The gasket shall be inserted into a steel gauge ring whose outside diameter shall fit inside the flange bolts properly positioning the gasket. The gauge ring shall serve to limit the compression of the gasket to the proper value. Compressed gasket thickness shall be 3.3 mm ±0.1 mm.
iii) Ring Joint Gaskets: Ring joint gaskets shall be octagonal in cross section and shall
have dimensions conforming to ANSI B16.20. Material shall be suitable for the service conditions encountered and shall be softer than the flange material.
iv) Rubber Gaskets: Rubber gasket materials shall be cloth inserted sheet rubber and
shall conform to ANSI B16.21. They shall be full face and 1.6mm thick. The material should be able to withstand adequate strength in compression without
damage. Pipe lines should be such installed that any equipment or valves can be removed by disconnecting flange bolts and nuts union joints. If necessary, a short piece joint to be installed for easy removal. All threads for screwed joints should be properly made. The threads will be covered to make a leak proof joint. Pipes passing through any building structure will pass through a pipe sleeve. The thickness of pipe sleeve will be not less than the thickness of the passing pipe itself. A rubber grommet or such other material will protect pipes entering any equipment.
IX. All drainpipes will use ‘tee’ fitting instead of elbows or bends. ‘Tee’ fitting should be such
installed that the plug can be removed and any section of pipe can be cleaned. Drain valves will be located at lowest point of pipelines. If necessary more than one drain valve will be installed to facilitate complete drainage from pipe. Condensate drain piping shall be insulated as per the specification.
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X. Water filling valve and air vent shall be installed on the highest point of pipeline. If necessary more than one valve is to be installed for satisfactory operation or maintenance of the plant. In case of insulated pipes the connections for pressure gauge, thermometer, drain valve, purge valve, filling valve and any such other accessories, the connection should be long enough such that the requisite pipe insulation can be carried out on the main pipe. The connecting pipes or fittings will be insulated separately if necessary. Location of instruments, fittings, fixtures shall be as in single line flow diagram. Location / sizes of air vents are also indicated.
XI. The insulation will be fixed as per manufacturer’s recommendation. Where valves, pipe
fittings etc. occur, access to both shall be provided. Flange insulation shall be in two halves for easy removal without affecting insulation covering adjacent parts. Insulation of valves shall be with provision of aluminium valve boxes with hinged cover / halves.
XII. Piping arrangement and alignment shall be as per layout.
3.04.06 Valves & Accessories A. GENERAL
Valve pressure classes, sizes, types, body materials, and end preparations shall generally be as described herein. Special features and special application valves shall be utilized where required. Valves specified to have flanged, socket-welded, or screwed connections shall have ends prepared in accordance with the applicable ANSI standards. Steel flanges shall be raised face type unless otherwise required. Cast iron and bronze flanges shall be flat-faced type. Butt-welding ends shall be prepared in accordance with 2.11.5 Butt Weld End Preparation and Piping Fit-Up. Steel body gate, globe, angle, and check valves shall be designed and constructed in accordance with ANSI B16.34 as applicable. Valve bodies and bonnets shall be designed to support the valve operators (hand wheel, gear, or motor) with the valve in any position, without external support.
B. Steel Body Valves 50 mm and Smaller Steel body valves 50 mm and smaller shall have forged steel bodies. Forged steel valves
complying with the standards and specifications listed in Table 126.1 of ANSI B31.1 shall be used within the manufacturer's specified pressure temperature ratings with the following limi-tations. The use of Class l500, 2500, and 4500 forged steel valves shall be limited in accordance with the pressure temperature ratings specified in ANSI B16.34, and the criteria established in MSS SP-84.
Class 800, 1500, 2500 and 4500 forged steel valves shall be constructed as follows: - a) Class 800 valves shall have bolted bonnet joints. Class 1500, 2500 and 4500 valves
shall have pressure seal, integral, or breech lock bonnet joints. Gate, globe, and angle valves shall have outside screw and yoke construction.
b) All valves, except gate valves, shall have seats of the integral type. Gate valves shall
have renewable seats. c) Class 1500, 2500, and 4500 valves shall be of loose back seat design. d) Class 1500, 2500, and 4500 globe valves shall be of the Y-pattern type. e) Valve ends shall be socket-weld type unless otherwise required.
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f) Except as otherwise required, check valves shall be of the guided piston or swing
disk type. All check valves shall be designed for installation in either horizontal piping or vertical piping with upward flow.
C. Steel Body Valves 65 mm and Larger Steel body valves 65 mm and larger shall have cast steel bodies. The face-to-face and end-
to-end dimensions shall conform to ANSI B16.10. The use of these valves shall be in accordance with the pressure temperature ratings specified in ANSI B16.34 as applicable.
Gate, globe, and angle valves shall be provided with back seating construction; and shall be
of outside screw and yoke construction. Gate valves 100 mm and larger shall have flexible wedge disks. Split disks shall not be permitted. Valves shall have full size ports, except where venturi ports are specifically permitted to SPM approval. The use of valves with venturi ports shall be limited to selected large diameter, high-pressure valve applications.
Class 150, 300, and 400 valves 65 mm and larger shall be constructed as follows: - i) Bonnet joints shall be of the bolted flanged type having flat face flange facings for
Class 150 valves; and male and female facings for Class 300 and 400 valves. ii) Body ends shall be butt weld type unless otherwise required. Class 800, 900, 1500, 2500, and 4500 valves 65 mm and larger shall be constructed as
follows: - i) Bonnet joints shall be of the pressure seal or breech-lock type. ii) All Class 800, 900, 1500, 2500, and 4500 valves shall have grease-lubricated
antifriction bearing yoke sleeves. iii) Body ends shall be butt weld type unless otherwise required. Check valves used on pump discharge installations, and on other applications in which the
valves may be subjected to significant reverse flow water hammer or fluid surges, shall be of the non slam tilting disk type. All other check valves shall be of the guided piston, swing disk, or double disk spring check type. The use of double disk spring check valves shall be limited to 350 mm and larger cold-water services. All check valves shall be designed for installation in either horizontal or vertical piping with upward flow. Stop check valves, where specified, shall be Y-pattern globe type.
D. Iron Body Valves Iron body gate, globe, and check valves shall have iron bodies with bronze trim. The face-to-
face dimensions shall be in accordance with ANSI B16.10. These valves shall have flanged bonnet joints. Gate and globe valves shall be of the outside screw and yoke construction. Body seats shall be of the renewable type. Gate valves shall be of the wedge disk type. Lined cast iron body diaphragm and check valves used with lined piping shall be flanged body with liner and diaphragm material suitable for the service.
E. Butterfly Valves Rubber-seated butterfly valves shall be generally constructed in accordance with
AWWA C504 Standard for Rubber-Seated Butterfly Valves. The valves shall also generally conform to the requirements of MSS Standard Practice SP-67, Butterfly Valves. Valves of the wafer or lug wafer type shall be designed for installation between two ANSI flanges. Valves with flanged ends shall be faced and drilled in accordance with ANSI B16.1. The selected use of butterfly valves shall be in accordance with the pressure temperature ratings
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specified in AWWA C504, the pressure temperature ratings specified by the manufacturer as per the following criteria: -
a) Butterfly valves shall generally be used for 150 mm and larger cold-water services
only. b) Butterfly valves for buried service shall be of cast iron body material and shall be
equipped with flanged ends. c) Cast iron butterfly valves shall have pressure class selected based on the piping
design pressure as follows:
Piping Design Pressure Valve Class
i) 1.8 bar and below Class 25
ii) Above 1.8 bar to 5.2 bar Class 75
iii) Above 5.2 bar to 10.3 bar Class 150 d) Cast iron butterfly valves shall be limited to use with piping systems having a design
temperature of 50° C or less. e) Butterfly valves for other than buried service shall be of carbon steel or cast iron
body material depending on the service application. Valves 600 mm and larger in size shall be equipped with flanged ends. Valves 500 mm and smaller in size shall be of the wafer type, or lug wafer type, if used with steel piping; and shall be flanged if used with other piping materials (cast iron, etc.).
f) Carbon steel butterfly valves shall be limited to use with piping systems having a
design temperature of 65° C or less. Carbon steel butterfly valves shall have pressure class selected in accordance with the pressure temperature ratings specified in ANSI B16.34 for 600 mm and smaller valves. Valves 750 mm and larger in size shall be selected and specified based on the piping design pressure and temperature, without reference to a specific pressure class.
Metal seated or Teflon seal ring seated butterfly valves for special service applications shall
be of the wafer or lug wafer type; and shall be designed for installation between ANSI flanges. The use of these valves shall be in accordance with the pressure temperature ratings specified by the manufacturer.
F. Bronze Body Valves Bronze gate and globe valves 50 mm and smaller shall have union bonnet joints and
screwed ends. Bronze gate and globe valves used in control air service shall have brazed joint ends. Gate valves shall be inside screw, rising stem type with solid wedge disks. Globe valves shall have renewable seats and disks.
Bronze check valves 50 mm and smaller shall be Y-pattern swing disk type or guided piston
type designed for satisfactory operation in both horizontal piping and vertical piping with upward flow.
Bronze valves 65 mm and larger shall have bolted flange bonnet joints and flanged ends.
Gate and globe valves shall be of the outside screw rising stem construction. Gate valves shall have either integral or renewable seats. Globe valves shall have renewable seats.
The use of these valves shall be in accordance with the pressure temperature ratings
specified by the manufacturer and in accordance with the criteria established in MSS SP-80. Bronze valves shall generally be Class 200, and shall be limited to service with piping systems having design pressures of 14 bar or less, and design temperatures of 65° C or less.
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Bronze valves shall generally be limited to a size of 80 mm or less. G. Plug Valves Plug valves shall be of the eccentric, lubricated, or Teflon sleeve plug type, as required by
the service. Plug valve bodies shall conform to the requirements of ANSI for dimensions, material thickness, and material specifications. Bonnets shall be of the bolted flange type. Body ends shall be flanged, faced, and drilled for installation between ANSI flanges. The use of these valves shall be in accordance with the pressure temperature ratings specified by the manufacturer.
H. Ball Valves
All ball valves shall have full area ports, Teflon seats & seals, and chrome plated carbon steel or stainless steel balls. Ball valve bodies 50 mm and smaller shall have threaded end connections. Ball valves 65 mm and larger shall have flanged ends. The valves shall not require lubrication. The use of these valves shall be in accordance with the pressure temperature ratings specified by the manufacturer.
I. CHECK VALVES
These shall be swing check type with material of construction as given in 2.06.00 (D) above. The body shall be of cast iron with flanged ends.
J. FLOW REGULATING-CUM-MEASURING VALVES
These are special valves to be installed at the outlet of each cooling coil/heating coil. The Contractor shall also supply measurement it including manometer. The valves shall be of variable orifice design double regulating type. The valve shall have measurement ports for connecting the manometers. The Contractor shall supply all calibration charts etc. The valve shall have provision for locking at pre set flow condition and it shall be possible to close the valve and again open up to this pre set point. The valves shall be of gun-metal/bronze construction.
K. 3-WAY MIXING VALVES
These are special valves to be installed at the outlet of each AHU heating coil as shown in drawings. The motor shall be actuator based controlled. The valve shall operate from the sense of the room thermostat. The Contractor shall also supply measurement kit including manometer. The valves shall be of variable orifice design double regulating type. The valve shall have measurement ports for connecting the manometers. The Contractor shall supply all calibration charts etc. The valve shall have provision for locking at pre-set flow condition and it shall be possible to close the valve and again open up to this pre set point. The valves shall be of gunmetal / bronze construction.
L. REFRIGERANT VALVES All refrigerant valves as may be applicable shall have Brass body with flange connection
or sweat connection for welding or brazing to pipe. For copper pipes size 5/8” and below flare connection will be acceptable. The valve body and bonnet connection shall have bolted and welded connection.
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It is preferable to have Teflon gland packing for the valves construction of the discs of the valves shall be either globe or angle type. The valve seat shall have white metal lining or any equivalent soft replaceable lining. The valves shall be of tested quality. Leak proof-ness of the valves shall be tested at minimum 1.5 times the design pressure for the system but not less than 35 Kg / Sq. Cm.
3.04.07 Air Handling Equipment A. Air Handling Units
I. FAN The fans shall be forward curve bladed centrifugal type. The number of fans per unit shall
be as per standard of the manufacturer. The impeller and the scroll casing of the fans shall be made of steel and protected with suitable painting as per Manufacturer’s standard.
The fan shaft shall be of Carbon steel. Bearing shall be heavy-duty self-aligning type.
The fans shall be dynamically balanced. The motor shall be adequately rated to prevent overload.
II. DRIVE
Centrifugal fans shall be equipped with V-belt drive and belt tensioning arrangement. All
belts shall be sized with 1.1 service factor. All belt drive shall be equipped with removable guards to avoid accidental hazards. There shall be a minimum of two belts per drive.
III. DRY FILTER
The filter media shall be designed to hold dust and prevent it from being dislodged by vibration or other cause and passing through filter.
The filters shall be of dry panel HDPE type. The filter shall have G.I. frames of adequate thickness but not less than 20 SWG suitable for long use in an industrial plant. The filters may be in panels of sizes about 600 mm x 600 mm for easy handling of the same. The face velocity of air across the filters shall not exceed 2.5m/sec and maximum limitation pressure drop will be 6 mm of WC. Filter thickness will be at least 50 mm. The efficiency shall be about 90% down to 10-micron size particles.
IV. COOLING COIL
The cooling coil for chilled water shall consist of seamless copper tubes with aluminium
fins. There shall be preferably only one cooling coil per AHU or as per manufacturer’s standard.
The cooling coil for chilled water plant shall be equipped with manually - operated flow
regulating valve with provision for flow balancing at site to control the chilled water flow. This cooling coil shall be designed for chilled water / air duty. Counter-flow process of heat transfer shall be considered in the design requirement. The flow factor of 0.001 hr. Sq. Ft. - °F / BTU (0.0002 hr - Sq. M °C / Kcal) shall be taken in the design of the cooling coil. Number of rows shall be minimum 4 and shall follow even number for any particular coils to facilitate connection of water/refrigerant only on one side of the unit.
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Fin design shall be chosen for the duty to be performed with special attention to the possibility of lint accumulation. However, in any case, number of fins in the coils shall not exceed 13 / Inch. Velocity of air across the coils shall be limited to 2.5 m/sec.
In case of chilled water-cooling coil, arrangement for air purging and water draining from
the coil is to be provided.
V. CASING
a) The casing shall be of double skin type GI with at least 25mm thick PUF insulation (density approximately 35Kg/ M3) in between two skins (made of 24 G GI sheet) and complete with supply air outlets with volume control dampers and flexible connections, structural frame work with supports and serrated rubber pads as vibration isolators and shall be provided with thermal break at the joints of different sections. Outer skin of the AHU shall be powder coated.
b) Base frames shall be supplied for floor mounted type units. Drain pans shall be in SS-304
construction having at least 65mm depth and shall be fabricated in such a way to form the slope towards drain point.
c) The main structure of the Unit (i.e. framework) shall be in extruded aluminium
construction. The structural members shall have industrial anodized finish to form scratch proof, corrosion resistant, smooth finish surface. The structural member shall have a thermal break between inner & outer surface to minimize heat loss. The sealing surface of the extrusions shall be provided with the groove to hold the gasket. The gasket shall be of synthetic construction having tubular shape for proper sealing. The inner face of the panels shall be flushed with inner face of the extrusions to minimize the corners.
d) Panels of the casing shall be fitted reasonably airtight with suitable gaskets with cams or
similar fastenings for easy opening.
e) Necessary arrangement shall be provided on the casing for measuring temperature and pressure in a cooling coil.
f) Easily open able inspection doors shall be provided at required locations for easy
maintenance. The Doors shall have handles and hinges in glass filled nylon construction.
g) The Lock shall be flushed type to minimize projections. Locks shall have proper arrangement to secure the doors tightly.
B. Fan Coil Units
I. The fan coil units shall be of reputed make – horizontal type for ceiling suspension. The units shall be complete with chilled water coil, one or more centrifugal fans and motors, cleanable HDPE filters, double wall insulated condensate drain pan with 15 mm thick expanded polystyrene (self extinguishing quality) insulation sandwiched between top and bottom sheets of drain pan and 18 gauge sheet steel casing panels. Horizontal fan coil units shall be provided with auxiliary secondary condensate drain pans.
II. Access panels shall have positive locking fasteners for easy removals. The filters shall be mounted at the rear section of the cabinet with filter box.
III. All cooling coils shall be standard three row staggered seamless copper tube with aluminium plate fins mechanically bonded to copper tubes. Tubes shall be aluminium 10 mm 0.D. and wall thickness shall be minimum 0.5 mm. All bends and joints shall be enclosed within the insulated end sections of the base unit for protection against sweating. Each coil shall be provided with an air vent and drain plug. All coils shall be factory tested at 21 kg. Per Sq. cm. air pressure while submerged in water. Fin spacing shall not be less than 10 fins per inch. Tubes shall be mechanical / hydraulically expanded for thermal contact resistance with fans.
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IV. Fans shall be centrifugal, forward-covered, and direct driven by shaded pole motor.
V. All fans coil units shall be equipped with copper piping connection and manual air vent at the cooling coil. Other accessories shall be wall mounted thermostat for individual unit, containing two speed and ON / Off control for fan speed, motorized there-way diverting/mixing valve for individual unit, Y-strainer, ball valve and globe valve, adjustable discharge air grilles.
VI. The fan coil unit shall be selected for a noise level of 50 dBA max. It should offer capacity
at the lower speed. 3.04.08 Air Filters A. Pre-Filters The filter media shall be designed to hold dust and prevent it from being dislodged by
vibration or other cause and passing through filter. The filters shall be of HDPE construction. The filter shall have G.I. frames of adequate
thickness but not less than 20 SWG suitable for long use in an industrial plant. The filters may be in panels of sizes about 600 mm x 600 mm for easy handling of the same. The face velocity of air across the filters shall not exceed 2.5m/sec and maximum limitation pressure drop will be 6 mm of WC. Filter thickness will be at least 50 mm. The efficiency shall be about 90% down to 10-micron size particles.
B. High Efficiency Filters (associated with Chemical Filters) The filters shall be having efficiency of 99% down to 5 microns. The filters shall be of
cleanable type construction of reinforced glass fiber or cotton fabric or fabric-like material sand witched in between two galvanized wire netting arrangement in a uniformly corrugated form to increase the surface area.
The filters shall have G.I. frames of adequate thickness suitable for long use in an industrial
plant. The filters may be in panels of size about 600 x 600 for easy handling. The filter panels shall be mounted on the ladder type angle iron holding frames. The
frames shall be designed strong enough to take the load of double the pressure drop in dirty condition of the filters. Face velocity of air across the filters shall not exceed 1.5 m/sec.
High efficiency filters shall be provided with differential pressure switch with alarm.
C. Chemical Filters The media of the chemical filter shall be palletized activated carbon impregnated with
suitable chemicals for absorption of impurities of atmospheric air in a paper mill, for supplying fresh air to air conditioning system. The media should have high removal capacity and low pressure drop in the range of 40 mmWG per 300 mm of media thickness. The media will be rectangular in shape. Three such layers each of thickness 300 mm are to be used in row on the air flow path. Face velocity of air across the media shall not exceed 0.25 m/sec.
The media will be preceded by inlet louvers, pre-filters and followed by high efficiency filters in the direction of air flow, all fixed in a suitable casing and finally connected through a connection piece to a centrifugal fan with drive motor and volume control damper, for supplying fresh air to the air handling unit located in AHU room. All inside and outside areas of the casing and fan shall be finished with suitable weather and corrosion proof paint.
3.04.09 Duct Work
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A. Velocity of air in any section of the supply duct shall not exceed 8 m/sec. B. Sheet metal thickness for AC duct shall conform to IS-655. C. The general layout of the ducting location and number of air grilles and diffusers etc. shall
confirm to the specific requirements of individual areas of application so as to ensure proper air distribution of all the zones. The same shall be subject to approval by the SPM / DCPL.
D. Where dimensional locations are not indicated on the drawings, the Contractor will be
responsible for the final arrangement and routing of the ductwork. Variations in duct sizes may be made as acceptable to the SPM / DCPL if the cross-sectional area remains the same and the revised aspect ratio is less than four. Ductwork will be arranged to minimize pressure drop using low-loss fittings and transitions. Where radius elbows are used for duct turns, the radius ratio will not be less than 1.5 wherever possible. Where space limitations require a bend with a radius ratio of 0.75 or less, not less than two turning vanes will be installed in the bend.
E. All ductwork for supply of air inclusive of accessories such as damper, vanes, access
doors etc. shall be fabricated from G.I. sheet of at least grade 180 as per IS 277. The ductwork shall be properly reinforced to prevent sagging, buckling or vibration. Interior of all ducts shall be smooth and free from obstruction. All duct sections shall be cross-broken.
F. The construction of ducts shall confirm to IS: 655/ASHRAE/SMACNA. G. JOINTS
a) All longitudinal joints for the ducts will be Pittsburgh Lock seam type. b) Transverse joints for the low-pressure ducting shall be continuous around the four sides,
the corner closure are required. The type of transverse joints shall be as follows: Large side mm Type of transverse joints Up to 600 25 mm wide pocket, drive or S-slip 601 - 1000 85 mm wide, bar s-slip or pocket slip. 1001 – 2250 40 mm x 40 mm x 6 mm M.S. angle connection c) The low-pressure ducting work shall be provided with intermediate transverse bracing
continuous around the four sides between the joints according to the following sizes: Large side mm Bracing 0 - 450 None 451 - 1500 40 mm x 40 mm x 6 mm angle
1200 from joints. 1501 and above 40 mm x 40 mm 6 mm angle 600 mm from joints. d) RIVETING AND SEALING
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All joints, slips and seams shall be made secure by reverting on centres not exceeding 150 mm. All transverse stiffeners and all reinforced bar slip joints shall cross at corners and be riveted. All bar slip joints and angle iron bracing shall be riveted on centres not exceeding 75 mm.
e) All construction joints and duct seams shall be reasonably sealed with bitumastic cold
emulsion or equivalent vapour seal. H. HANGERS AND SUPPORTS
a) All ductwork shall be provided with adequate hangers or supports to ensure rigid support and to prevent vibration. Spacing of duct supports shall not exceed 3 m centres.
b) Hangers shall be suspended from the building steel with provision for necessary
auxiliaries, or special steel members, or by hooks fixed to the embedded plates provided in the ceiling.
c) Hangers for all ducts shall be trapeze type with the shelf construction from 35 mm x 35
mm x 5 mm angle iron and hung by two steel rods each of not less than 10 mm dia. for ducts, with larger side less than 2250 mm while for those greater than 2250 mm shall be with 50 x 50 x 5 angles and rods not less than 16 mm dia.
d) All hangers and supports shall be as per drawings / specifications. When vertical ducts
pass through floor slab, they shall be supported by means of collars, constructed of steel structural angles securely fastened about the girth of the duct and bitumastic compound between the horizontal leg of the supporting angle and the floor. The duct aspect ratio shall not be more than 4: 1. Turning vanes are required to be provided with bend more than 45 Deg.
I. ACCESS DOORS All main ductwork shall be accessible throughout using tight fitted hinged access doors.
Doors shall have to be cemented on sponge rubber gaskets. Angle joints shall be provided with felt or rubber gaskets for leak-tightness of the joints.
Access doors/panels are to be provided at following places:
Near each fire damper
Near each heater coil
Near each filter bank In case access doors are to be installed in the insulated ducts, the access door panel
should be suitably insulated, such that it can be operated without damaging the duct insulation and there should be no condensation either on the access doors or on the duct when the plant is running.
J. FLEXIBLE CONNECTION Rubber impregnated canvas or equal flexible connections of at least 150 mm length shall
be provided at each connection between ductwork and fan units. K. DAMPERS
i) SPLITTER DAMPER Splitter dampers in branch take off shall be provided. Dampers blades shall be minimum
16 SWG thick. Alternatively catcher shall be provided in right angle tee of ducts.
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ii) FIRE DAMPER The fire dampers shall be of motorised / solenoid/fusible link type operated by smoke
detectors of the zone fire fighting system. The fire damper shall be smoke-tight type and shall have 90 min. fire rating. Provision shall be kept for manual operation of the damper.
Blade thickness : At least 16G CRCA Frame : At least 40 x 40 x 3 mm Angle. Motorised Fire Dampers shall be rated for 240 V, 50 Hz, 1 Ph., AC supply. Motor for Fire
dampers shall be continuously rated. These Dampers shall close on de-energisation and open on energisation of Motor. Provision shall be kept for manual operation of the Damper.
Fire dampers will be provided at the supply/exhaust duct for fire-rated walls/floors as
required by National Fire Protection Association (NFPA) and International Building Code (IBC).
iii) ACTUATORS
The actuators will be UL listed.
Dampers will be equipped with operators of sufficient power to control dampers, without flutter or hunting, through the entire operating range at air velocities at least 20 percent greater than maximum design velocity. Operators will have sufficient power on closure to provide tight sealing against maximum system pressures. Damper actuators will be designed to provide a minimum of 200 percent of the torque required to operate the damper and to meet the air leakage criteria. Damper actuators will not be less than 2.26 N-m (20 inch-pounds). Each damper section will contain one or more damper actuators. Jack-shafting of the section is not permitted.
Operators functioning in sequence with other operators will have adjustable operating ranges and set points.
Spring-return operators will be provided for two-position control or on reversible operators
where required for fail-safe operation.
Electric motor operators for modulating control will be reversible type.
Locations where temperatures fall below minimum operating temperature of operator will be heated.
1 When dampers are installed on ducts to be externally thermally insulated, each damper operator will be equipped with stand-off mounting brackets, bases, or adapters to provide clearance between the duct and operator not less than the thickness of insulation. Standoff mounting items will be integral with the operator or standard accessory of damper manufacturer.
iv) OPPOSED MULTIPLE LOUVRE DAMPER Opposed multiple louvers dampers shall be provided at the fan outlets and wherever
mentioned in the drawings, specification and fan schedule. Each blade of the dampers shall be provided with bronze, gunmetal or nylon bearing at each end of its spindle. The spindle with bearing shall be mounted in a strong structural framework. Operating lever
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with fixing device for keeping the damper at the desired position shall be fitted for the manually operated dampers.
Operating level will be fixed on an indicator to show the percentage of opening of the
damper in all cases except for the application with grilles and nozzles. Velocity across the dampers shall not exceed 10 m/sec. Damper blades at fan outlet
shall be made up of 16 gauge M.S. L. DIFFUSERS, GRILLES, REGISTERS - CONVENTIONAL DESIGN Design of grilles & diffusers shall be such as to create desired throw and spread of air
and shall be approved by the SPM / DCPL. All diffusers and grilles shall be made up of extruded Aluminum (powder coated). Design
of all diffusers and grilles shall be made by the Contractor matching with the lighting and other fittings and to be approved by the SPM / DCPL. Each supply air diffusers shall be fitted with opposed blade damper, built-in vanes and louvers arranged as per manufacturer’s standard design.
Side throw type supply registers shall have two sets of adjustable louvers with opposed
blade dampers. The front of louvers shall be horizontal to provide horizontal deflection and the rear set of vertical louvers shall adjust vertical deflection. The dampers shall have horizontal opposed blades regulated by an operating lever in the frame. All wall type exhaust / return air grilles shall have one set of louvers in the front. The louvers shall be fitted such as to remain in position by friction grip. All supply air grilles shall have one set of opposed multiple louver dampers at the inlet. The dampers shall be gang operated and will have a device to keep the dampers fixed in one position.
No grilles should by any chance make any rattling sound during continuous operation. All
grilles shall match the decor of the space. All grilles/diffusers (powder coated) shall be fitted with suitable gasket to prevent air
leakage.
3.04.10 Insulation A. Thermal Insulation
I. The following items are to be insulated:
a) Refrigerant suction piping from the evaporator coil outlet up to the compressor inlet shall be insulated with minimum 39 mm thick aluminium foil faced Nitrile rubber for Screw type Package Water Chilling Unit and 26 mm Nitrile Rubber with 30G Aluminium sheet Cladding for Precision/ Split Air Conditioner. For better efficiency of operation the liquid line running side by side with the suction line may be insulated together with the suction line already mentioned.
Note: No further cladding is required if al foil faced insulation is used.
b) Double skin Casing of the cabinet type air-handling unit with at least 25 mm thick Poly
Urethane Foam (PUF) between them.
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c) Supply air duct and part of the return air duct passing through non conditioned space, if any, with at least 13mm thick aluminium foil faced Nitrile Rubber Insulation.
d) Entire chilled water-piping, valves, chilled water circulating pumps, and chillers with 39
mm thick aluminium foil faced Nitrile rubber. The portion of Chilled water piping exposed to atmosphere shall be insulated with 50 mm thick (TF quality) expanded polystyrene and finished with chicken wire mesh, 12 mm thick sand-cement plaster and an overall cladding of 30G Al. sheet.
e) Drain Piping from AHU/Precision ACs /Split AC unit/ FCU and Chillers shall be
insulated with 13 mm (for FCU and Split units) thick aluminium foil faced Nitrile Rubber.
f) Screw type Packaged Chiller and Chilled Water Pump shall be insulated with 39 mm
thick aluminium foil faced Nitrile Rubber.
g) Chilled water Expansion tank drain piping with 6 mm thick aluminium foil faced Nitrile Rubber.
h) Insulation of Precision AC Unit/ Split AC Unit shall be as per manufacture’s standard.
i) Roof of AC spaces shall be insulated with 25 mm thick EPS (under deck) for not exposed
to sun and 50mm thick EPS (under deck) for exposed to sun. II. Insulation shall be fixed as per manufacturer’s recommendation. Due care shall be taken
to avoid damage to vapour arresters and insulation.
III. Extra insulation thickness shall be provided at duct pipe hangers and special care shall be taken to seal the insulation and hanger member penetrations and instruments and accessories tapings.
IV. Special care shall be taken to provide satisfactory insulation for valves, flanges, vessel
connections etc. with proper facility for maintenance and inspection. V. Insulated ducts crossing the floors shall have to be normally protected from damage and
water splashing by providing suitable cladding up to 300 mm from the floor level.
B. Acoustic Insulation
All supply air ducts in the air conditioning system shall be insulated acoustically up to a length of 6 metre from the blower mouth with 25 mm thick fibre glass of density 48 Kg / m3, insulation from inside of the duct. For protection against erosion, the insulation mass shall be covered with fibreglass cloth and 30G perforated aluminium sheet provided with 30% perforation area. The protective covering shall be securely fixed to avoid dislodgement of the insulation.
3.04.11 Split AC Units A. General
I. The split type room air conditioner consists of two components - one Indoor unit
(Evaporator) & an Outdoor unit (Condenser). It will be complete with all components to perform filtering and cooling of air in all seasons. The refrigerant condenser will be air-cooled. The unit will be suitable for wall mounting.
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II. The unit shall have normal rating capacity as per the schedule mentioned elsewhere in the specification measured at a room temperature 24 °C DB and RH not exceeding 60% under design outside conditions specified elsewhere.
B. Indoor Unit
I. The indoor unit consists of panel type dry filter, cooling coil, evaporator fan etc. II. The filter is panel type dry having an efficiency of 90% down to 10-micron size Particles.
The filter media shall be designed to hold dust, sand and prevent if from being dislodged by vibration or other cause and passing through filter. The face velocity of air across the filters shall not exceed 2.5 m / sec.
III. Cooling coil will be direct expansion type made of seamless copper tubes with aluminum
fins, number of fins as per manufacturer’s standard but not more than 13 per inch & R22. The coils should be located at the suction side of the Evaporator Fans. Velocity of air across the coils shall be limited to 2.5 m/sec.
IV. Piping accessories like Hot gas piping, cold gas piping and liquid refrigerant pipeline all
made of copper complete with at least 26 mm thick Aluminium foil faced Nitrile rubber insulation interconnecting indoor and outdoor units, liquid line valves, liquid refrigerant piping, gauges and instruments, filter-drier, moisture indicator, isolating valves etc., shall be provided as may be required for safe and trouble free operation.
V. The evaporator fan shall be Centrifugal, DIDW with forward Curved blades directly driven
by TEFC squirrel cage induction motor operating in AC 240 V ± 10%, 1 Ph, 50 Hz ± 3% supply, with 3- step speed control. The evaporator fan shall be both statically and dynamically balanced.
VI. Sheet metal casing with inspection facilities, made of Powder coated M.S. sheet and
complete with suitable refrigerant pipe connections, insulated drain pan, insulated drain piping, supply and return air opening with decorative grilles with automatically swiveling louvers (for supply air grilles). The casing should be insulated inside to prevent condensation. This shall be provided from inside surface to limit the noise.
C. Outdoor Unit
i. The outdoor unit shall consist of a compressor, air cooled condenser with
liberally sized aluminium finned copper tube coil and low noise directly driven fan and totally enclosed weather proof motor housed in power coated MS casing.
ii. The Compressor shall be rotary type with R-22 refrigerant (SPM
Comment: - Please re-examine the type of refrigerant) of specified capacity & motor. The compressor assembly shall be adequately designed for minimum vibration and noise disturbances (max. noise level will be 50 dBA). The compressor rotor assembly shall be dynamically balanced. The shaft seal shall be of proven design. The horsepower for the compressor motor shall be sized for 120% of rated power required for the unit including the drive loss.
iii. Accessories like Suction and discharge valves, safety valve, HP and LP
cut out switches, powder coated sheet metal casing, vibration-isolating device, foundation bolts, built in Electricals like starters, switch fuse units, relays, contactors. The speed of the compressor should not exceed 1500 rpm.
iv. Air-cooled condenser with directly driven axial flow fan & adequately sized drive
motors (TEFC squirrel cage Induction type) with relief valve, hot gas connection, charging connection with valve, louver at the intake & exhaust of air, and other
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standard accessories. The condenser fan shall be both statically and dynamically balanced.
v. The heat exchangers shall be designed for a minimum design test pressure of
20.33 Kg/m2 on the refrigerant pipe. Design pressure shall be at least 1.2 times the maximum working pressure. Tube supports of adequate strength shall be provided to prevent the tubes from sagging and vibrating. The condensers shall be designed to provide at least 4oC sub cooling of refrigerant under rated design condition. The unit should be operating free from any vibration and noise.
vi. The piping will be thermally insulated wherever required such that there is
no condensation on the outside of the piping. The insulation will be of Aluminium foil faced Nitrile rubber.
vii. Refrigerant piping shall be copper tube (IS-5493) or ASA-9-31.5).
Pressure drop in hot gas, liquid and suction lines should not exceed the value corresponding to 2 oF change in saturation temperature of the refrigerant. Velocity in the discharge and suction pipe of the refrigerant shall not be as high as to create undue vibration and noise, velocity in the vertical length of discharge and suction pipe of the refrigerant shall be high enough to carry the entrained oil in the refrigerant, even in case of unit running at lowest partial capacity. Instrument piping for gauges, switches etc. shall be of copper only.
viii. All the above equipment along with the electrical items like starter, contactor and
other controls shall be encased in a powder coated MS casing. The casing shall be complete with supports fabricated out of MS angles, & sheets (duly painted), anchor bolts, nuts etc. The entire unit shall be installed with rubber pad type vibration isolators.
ix. All refrigerant valves as may be applicable shall have steel body with flange
connection or socket connection for welding or brazing to pipe. For copper pipes size 5/8” and below flare connection will be acceptable. It is preferable to have the stems of rising stems inside screw type. The valve body and bonnet connection shall have bolted or welded connection.
x. It is preferable to have Teflon gland packing for the valves. The construction of
the discs of the valves shall be either globe or angle type. The valve seat shall have white metal lining soft replaceable lining. The valves shall be of tested quality. Leak tightness of the valves shall be tested at minimum 1.5 times the design pressure for the system.
3.04.12 Fresh Air System A. Supply of fresh air by fan filter unit
Outside fresh air system consisting of an inlet louver, dry panel type filter, a fan, short duct, volume control damper and supply air register. This fresh air system will be located near the suction side of the AHU. This type of fresh air system is applicable for PM finishing hall and Strong room.
B. Supply of fresh air through chemical filter
Outside fresh air will be inducted into the AHU room through inlet louver, dry panel type pre-filter chemical filter media, high efficiency filter, centrifugal fan with drive motor and volume control damper. This fresh air system will be located near the suction side of the AHU in the AHU room.
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This type of system is applicable for (a) MCC room / MV Switchgear room and (b) Control room of wet section associated engineering room.
C. Fresh air entry through rain protection cowl with bird screen and volume control damper. This fresh air system will be located near the suction side of the AHU in the AHU room. This type of system is applicable for laboratory & adjacent office located at 6.0 M level.
D. Fresh air entry into the other air conditioned space will be through door opening.
3.04.13 Miscellaneous Items A. Strip heater
I. Heating equipment wherever required shall be electrical type. All frame members, control
box cover and associated sheet metal parts are to be heavy gauge steel with corrosion resistance treatment. Heating equipment may be required for winter heating as well as for reheating. Reheating heaters may be used for winter heating also.
II. Electric heaters will be fin-tube type of adequate KW rating, with fins permanently brazed
to metal sheath. The metal sheath and fins will be of G.I. sheet material. III. Wherever electric heaters are installed in the ductwork, size of ducts should be suitably
increased to offset the additional resistance created by the heaters. All heaters shall be mounted on such insulators that there shall be no leakage current under all weather condition including high humidity operation. The mounting frame shall be suitably grounded by earth wires / earth leads of two points.
IV. An air stat is to be installed such that in case there is no circulation of air over the heater
coils the heaters will be de-energised. Wherever the heaters are installed in the ductwork the terminal block will be such positioned in a junction box that it will be outside the ductwork in an accessible position. The junction box will be vermin proof, rat proof and provided with a hinged cover. A caution plate as per I.E. rules will also be provided. Access door will be provided in the duct near the heating coil for easy inspection and removal / replacement / fixing of individual strip heaters. The capacity of heaters will be distributed over three phases.
V. In case of reheating the heater will be controlled by humidity sensor & humidity
transmitter and in case of winter heaters it will be controlled by temperature sensor & temperature transmitter.
B. Electrode Humidifier
I. Electrode humidifier consists of high temperature Polypropylene water tank, electrodes, auto flash cycle activated on demand from the microprocessor based control system with humidity sensor, located near the AHU. Such Humidifier shall be controlled by its own stand-alone microprocessor based control panel. Alarm indication will be provided for low water level in the water tank.
II. Whenever the relative humidity of the conditioned space reaches the minimum allowable percentage of humidity, the humidifier shall be energized to restore the relative humidity. The humidifier shall be such controlled that it shall not exceed the maximum allowable limit of relative humidity in the conditioned space. The humidifier shall be sized and designed accordingly.
C. Non Chemical Water Treatment Equipment I. The water treatment equipment is a 1 M long pipeline, which once installed, stops the
formation of any scaling in the heat exchange zones completely.
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II. The water treatment equipment consists of Metal Cell and Core and is installed on line
after the pumps and before the heat exchange zone. The distance of the heat exchange zone should not be more than 30 M and there should not be any static area between the water treatment equipment and heat exchange area.
3.04.14 Instruments A. The pressure indicators and temperature indicators shall have minimum 150 mm size
dial. The pressure gauges shall be Bourdon type and complete with isolating valves. The pressure gauge shall confirm to IS: 3624 and temperature gauge as per BS: 1041.
B. Water flow switch shall be vane actuator type or differential pressure type, with
adjustable actuation set point. The level switch shall be ball float operated magnetic type complete with cage. The switch case shall be weather proof conforming to NEMA-4.
C. Apart from the thermostat, pressure switches, level switches and level indicators
specified in this tender document, the local instruments shall also be furnished as a part of the system as shown in drawings enclosed and as per functional requirement.
D. The range of controls and instruments should be such that the operating ranges are
preferably in the mid scale. The accuracy should not be less than + 1% of full scale deflection. The repeatability of readings shall be + 1%. The differential in controls should be such that the equipment is able to operate at desired settings or maintain desired condition.
E. The scale of pressure indicators for refrigerants units will be in kg/cm2. Saturation
temperature of the refrigerant in use, at the corresponding pressure should also be indicated in the scale. The suction and oil gauge shall be compound gauge. The scale of pressure indicator for pumps will be in meter. The temperature indicator’s scale will be in °C. The range should be such that even when the equipment is idle and the temperature of the medium is at such variance, the indicator will not be damaged.
F. All instruments should be such selected and installed that they are easily readable from
the floor. 3.05.00 Electrical and C&I Items A. 415V MCC CUM PDB (for central AC system) The 415 V AC MCC cum PDB shall be provided with 2 x 100% Incoming Air Circuit
Breaker which shall be located at either end of MCC cum PDB and One (1) no Bus Coupler feeder. Interlock shall be provided for two of three positions.
Outgoing motor feeders above 110 KW shall be Circuit Breaker operated and shall have
motor wound spring charged mechanism. All outgoing motor feeders below 110KW rating is MCCB operated.
20% or minimum 1 module of each type and rating as spare shall be provided in the
MCC cum PDB. MCC cum PDB shall house Incoming Air Circuit Breaker, Copper Bus-Bars, Outgoing
MCCB for Chillers, LSPs, DDC panel, Outgoing MCCB with motor starters, Thermal O/L Relays, ON/OFF/TRIP indication lamps, C.T. operated ammeters (for Incomer and for motors rated 30KW and above) for drives of Air-conditioning equipment located in AC
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Plant Room , Cooling tower fan motors, Condenser Water Pump, Chilled water Pump and AC Plant Room Exhaust Fans.
MCC CUM PDB shall be indoor type, air insulated, natural air cooled , self-supported , floor mounting, fully compartmentalized construction, multi-tiered , metal clad factory assembled , fully wired type tested assemblies. The MCC CUM PDB enclosure shall be fabricated from CRCA sheet steel whose thickness shall be minimum 2 mm for Load Bearing members and minimum 1.6 mm for Non-Load Bearing members. The PDB shall be suitable for Top Cable Entry type. Busbar rating of MCC CUM PDB shall be equal to the rating of incomer. Busbars of MCC CUM PDBs shall be sized to carry continuously the total running load of the PDB (including anticipated future load, wherever applicable) plus a 10% margin. All busbars shall be capable of withstanding the mechanical forces and thermal stresses due to maximum short circuit current.
Incomer of MCC Cum PDB Cum shall be provided with C.T. operated ammeter, ammeter selector switch, voltmeter and voltmeter selector switch, Energy Meter, RYB indication lamp on Bus.
The MCC cum PDB shall be of compartmentalised construction, floor mounted, free
standing, Draw-out type, dust and vermin proof with bus bar. Incomer to the MCC cum PDB shall be bottom entry type, whereas outgoing cables shall be top entry type.
Degree of protection of enclosure of MCC cum PDB shall be IP-54. Panel and Motor Space Heaters shall be fed from separate AC auxiliary bus bars running
throughout the switchboard. All the panel and motor space heaters shall be fed from these bus bars through single pole MCB and neutral link.
MCCB shall be with Over Current, E/F and S/C releases. The MCCBs shall be provided with front operating handles and mechanical ON/OFF indicators. In case of trip, the handles shall rest in an intermediate position. The minimum protection shall be provided in the feeder is- i) 3-Inverse time O/C relay (51) for phase faults. ii) 1-Inverse time O/C relay (51N) for Earth Faults.
iii) Under Voltage Protection.
All feeders of MCC CUM PDB rated up to 400 Amp shall be provided with MCCB. Air circuit breaker shall be provided for feeders rated above 400 Amp. Feeder Rating Up to 32A rating MCB shall be used. Note: Automatic Star-delta starters are to be provided for motor rating 15 KW and above. For motor rating below 15 KW, DOL starter shall be provided.
B. 415V Local Starter Panel (LSP) for each AHU
Each AHU will have One (1) no LSP. Such LSP will house Incoming MCCB, Cu Bus-Bar, Outgoing MCCB for Heater b, Humidifier and FCU (wherever applicable). Outgoing MCCB / MCB with motor Starter and for AHU fans, fresh air fans (wherever applicable), smoke exhaust fans (wherever applicable), control valve motors, isolating damper motors and fire damper motors (suitable for 240 V +/- 10% single-phase AC power supply). Electronic type controllers shall be provided in the LSP to operate the Fire Dampers with the sense received from the zone Fire Panels.
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LSP shall be indoor type, air insulated, natural air cooled , self-supported , floor mounting, fully compartmentalized construction, multi-tiered , metal clad factory assembled , fully wired type tested assemblies. The LSP enclosure shall be fabricated from CRCA sheet steel whose thickness shall be minimum 2 mm for Load Bearing members and minimum 1.6 mm for Non-Load Bearing members. The LSP shall be suitable for Top Cable Entry type. Busbar rating of LSP shall be equal to the rating of incomer. Busbars of LSPs shall be sized to carry continuously the total running load of the LSP (including anticipated future load, wherever applicable) plus a 10% margin. All busbars shall be capable of withstanding the mechanical forces and thermal stresses due to maximum short circuit current. Control voltage at LSP shall be 240V, 1Ph, 50Hz. Ammeter shall be provided for motors rated 30KW and above By-pass P.B. for manual testing for fire dampers shall also be provided in this panel. Heater Reset P.B. shall also be provided in this LSP.
The Panel shall be wall / Floor mounted. The LSP shall be top entry type and Degree of Protection shall be IP-54. LSP shall be Non Draw-Out type. All feeders of LSP rated up to 400 Amp shall be provided with MCCB. Air circuit breaker shall be provided for feeders rated above 400 Amp. MCCB shall be with Over Current, E/F and S/C releases. The MCCBs shall be provided with front operating handles and mechanical ON/OFF indicators. In case of trip, the handles shall rest in an intermediate position. The minimum protection shall be provided in the feeder is- i) 3-Inverse time O/C relay (51) for phase faults. ii) 1-Inverse time O/C relay (51N) for Earth Faults.
iii) Under Voltage Protection. All feeders of LSP rated up to 400 Amp shall be provided with MCCB. Air circuit breaker shall be provided for feeders rated above 400 Amp. Feeder Rating Up to 32A rating MCB shall be used.
C. DDC based control panel (for central AC system)
The DDC System shall consist of:
a) One (1) no. DDC panel housing Direct Digital Controllers for Central Air Conditioning System. The DDC panel shall be suitable for HMI interfacing directly with sensors, actuators and environmental delivery systems (i.e., all component equipment and accessories of AC system), controls and monitoring for the central AC System. This Control system along with one work station shall be complete with necessary software & Licenses (OS cum ES) for control and monitoring of the Central AC System and generation of alarm list, report etc.
b) One (1) no work station complete with suitable Central Processing Unit (CPU) Key Board, Mouse and Video Display Unit (VDU) with 21 inches monitor.
c) Necessary battery back up for RAM for 24 hours continuous operation during power failure and necessary UPS and battery charger with minimum 30 minutes back up.
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d) Necessary UPS Battery & Charger for DDC System back up shall be provided in the AC Plant Control Room.
e) Necessary interface hardware and software for interconnection with other system for two-way data transfer for information exchange. The data format, the exact number of points etc. shall be finalized during detailed engineering stage.
f) All other necessary hard wares to make the system complete and functional.
g) One Common Hooter for audio annunciation of any malfunction of AC equipment and systems.
h) System earthing and panel earthing of the DDC Panel.
i) The DDC shall have inbuilt PID function’s for precise control of the process parameters.
j) The user friendly programming shall be done via Windows software. k) Interlock list for equipment should be incorporated in the operator station.
l) Alarm List (Process & System), Event List , Different level of security.
The DDC Control system and its HMI shall have necessary Graphic user interface for display of the processes with indication of devices and instruments. In case of alarms the alarm indication window will be displayed on the screen to attract the attention of the operator and generate output for audio-visual annunciation.
D. Power cables with cable tray and racks
LT Power cable shall be 1100V grade , heavy duty , Copper Conductor, multi core, armoured, insulated , extruded PVC inner sheathed, GI Strip / round wire armoured , PVC type outer sheath with FRLS compound complying with IS 7098 Part-I. IS 8130 & IS 5831 and IS 3975.
All Power cables should be provided with the ferrule’s system for easy identification during operation & maintenance. ARMOURED insulation shall be suitable for continuous conductor temperature of 90°C and short circuit temperature of 250°C. The minimum size chosen shall be as follows:
a) Copper : 2.5 Sq. mm.(Core as required but one core should be in spare)
Cable tray shall be hot deep galvanized ladder type for power cables. SPM Comments: Power cable size should be reviewed.
E. Control cable with cable tray and racks 1100 Volt grade, 70°C rating, control cables with stranded copper conductor, PVC insulation. Extruded PVC inner sheath, round wire Armoured and extruded FRLSH PVC overall sheath.
All Control cables should be provided with the ferrule’s system for easy identification during operation & maintenance. No. of cores of control cables shall be restricted to 2, 3, 5, 7, 12 & 16 including one core as spare.
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All control cables shall be 2.5 Sq. mm. copper cables.
Multi core control cable will generally have spare conductors (s) in accordance with the following chart. (however this is subject to owner’s approval during detailed engineering.)
Conductors Required Cables
1 or 2 1-3/C
3 or 4 1-5/C
5 or 6 1-7/C
7 or 8 1-9/C
9 or 10 1-12/C
11, 12 or 13 1-15/C
14 to 18 1-20/C
Cable tray shall be hot deep galvanized ladder type for control cables and perforated for instrumentation cables.
F. Instrumentation cables with cable tray and racks
The Instrumentation cables shall be used for connection of Instrumentation signal & Control circuits. Cabling in this category shall include cabling to interconnect instruments / devices / local panels / MCC / SWGR etc. from field either through field junction boxes or directly from field devices / instruments to control panels etc.
All Instrumentation cables should be provided with the ferrule’s system for easy identification during operation & maintenance.
Following considerations shall generally be adopted for selection of Instrumentation cables:
(a) 0.5 Sq. mm twisted pair individual & overall shielded Instrument signal cables shall be provided for analog signals including RTD signals.
(b) 0.5 Sq. mm twisted pair overall shielded Instrument signal cables shall be provided for digital signals operating at voltage up to 24 V DC – 110 VAC etc.
(c) 1.5 Sq. mm twisted pair individual & overall shielded Instrument signal cables shall be provided for analog signals for the cases where the cable run exceeds 400 Meter and for low voltage analog signals.
(d) 1.5 Sq. mm twisted pair overall shielded Instrument signal cables shall be provided for digital command signals to interposing relays of Motorized actuators / Breakers / MCC / solenoid valves, Solenoids operating at voltage up to 24 V DC – 110 VAC etc.
(e) Thermocouples Extension cables KX & EX type shall be provided for K & E type thermocouples.
(f) Instrumentation Cable shall be supplied in types as follows:
• Type – F Size 0.5 Sq. mm: FRLS Individual & Overall Shielded Twisted Pair Armoured Cable
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• Type – F Size 1.5 Sq. mm: FRLS Individual & Overall Shielded Twisted Pair Armoured Cable
• Type – G Size 0.5 Sq. mm: FRLS Overall Shielded Twisted Pair Armoured Cable
• Type – G Size 1.5 Sq. mm: FRLS Overall Shielded Twisted Pair Armoured Cable
(g) All cables shall be flame retardant low smoke (FRLS) type.
(h) Outer sheath of cables shall have rodent and termite repulsion properties.
G. Grounding of all equipment Grounding of all drives / equipment and from SPM main grounding system required for complete Air-conditioning system shall be in Bidder’s scope.
All electronic equipment shall be grounded utilizing an insulated ground wire connected in accordance with manufacturer’s recommendation. Entire system shall be earthed in accordance with the provisions of the relevant IEC recommendations /Indian Electricity Rules. For earthing of individual equipment and interconnection between earth pits copper Flat shall be used. All electrical equipment (indoor or outdoor) shall have two (2) separate and distinct earth connections. Grounding shall follow the relevant standards/codes amended till date as below: a. Indian Electricity rules
b. National Electrical Code c. Code of Practice of Earthing IS 3043 d. Protection of building and allied structures against lightning IS 2309 e. IS- 732, IS 226, IS 2629, IS 2633 & IS 4759
f. IEEE -80, IEEE-665
The station grounding system shall be an interconnected network of Copper conductor and Cu ground rods. The system shall be provided to protect plant personnel and equipment from the hazards, which can occur during power system faults and lightning strikes.
H. Specification for PC (Operator’s Station / Operator cum Engineering Station)
a) CPU
01. Processor : Pentium Core i3 or better
02. Internal clock : 3.6 GHz
03. System Memory : 4 GB (Minimum) or better, Expandable upto 8GB
04. Hard drive : 500 GB HDD or better
05. Cache : 4MB (Minimum) Level 2
06. DVD Drive : DVD-Both CD & DVD Read & Write
b) Monitor
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01. Type : TFT colour monitor
02. Screen diagonal : 21” flat c) Keyboard and Optical
Mouse : Industrial grade
d) Printer Type: A4 size, laser, tabletop
Note: (*) Bidder shall supply latest hardware and software configuration available at the time of actual supply.
I. Electrical Drive Motor i) Motors shall be supplied with mounting and coupling hard wares such as base plate,
coupling, coupling guard, anchor bolts and nuts, all hardware etc. ii) Design ambient temperature of all motors for air conditioning system shall be 50°C. iii) Motors shall have class F insulation but the temperature rise shall be limited to that
of class B over an ambient temperature of 50°C. iv) The motor nameplate kilowatt rating multiplied by the motor nameplate service
factor shall be at least 15% greater than the driven equipment operating range maximum brake kilowatt.
v) Motors rated 30 KW and above shall be provided with space heater suitable for 240
V, 50 Hz, 1 Ph. AC. vi) Motors rated below 250 watts shall be suitable for 240 V, 50 Hz, 1 Ph. AC. Motors
rated 250 watts and up to 160 KW shall be suitable for 415V±10%, 3-Phase, 50Hz±3% AC.
viii) Motors rated above 110 KW shall be fed by Air Circuit Breaker and others of lower
rating shall be fed by SFU. ix) All motor enclosures shall conform to the degree of protection IP-55 unless
otherwise specified. Motor for outdoor or semi-outdoor service shall be of weather proof construction.
3.06.00 Performance Requirement
a) Inside conditions (Temp.& RH) to be maintained will be as furnished in design parameters.
b) Chilled water supply temperature from the chilled water system will be around 7 deg.C.
c) All equipment performance shall not be less than those specified or as rated over specification.
d) Noise level inside air conditioned electrical rooms shall not exceed 40 NC.
e) There will not be any condensation on AHU, duct and grilles. f) Codes and Standards
Design, manufacture, inspection and testing of the equipment covered by the
specification shall unless otherwise specified conform to the latest edition of the standards and codes including all addenda mentioned below:
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Codes & Standards Specification
IS-659: 1964 Safety code for air conditioning IS-660: 1963 / ASHRAE Std 15 / ANSI-8-9.1
Safety code for mechanical refrigeration
ASME Sec. VIII Unfired pressure vessels IS-4503: 1967 Specification for Shell and tube heat exchanger ANSI-8-31.5 Refrigeration piping IS-3588: 1987 Specification for electric axial flow fans IS-4894: 1987 Specification for centrifugal fans IS-4671: 1984 Expanded polystyrene for thermal insulation
purpose IS-1239: Part 1: 2004 Steel tubes, tubulars and others wrought steel
fittings. Specification- Part 1: Steel Tubes.
IS-1239: Part 2: 1992 Mild Steel tubes, tubulars and others wrought steel fittings. Part 2: Mild Steel tubulars and other wrought steel pipe.
IS 3589: 2001 Specification for steel pipes for water and sewage (168.3 to 2540 mm outside dia)
ASHRAE 62 Ventilation for acceptable Indoor air Quality. IS-655: 2006 Metal air ducts IS-277: 2003 Galvanized steel sheet (plain and corrugated) ASHRAE-23 Standard method of testing and rating[67
Standards] air conditioner AR1-450-6 Standards for water cooled refrigerant
Condenser ASHRAE 22-72 Method of testing for rating water cooled
refrigerant condenser AR1-410 Standard for air cooling and air heating coils AR1-210 Standard for unitary air conditioning equipment AMCA-210 Methods of performance test for fans BS-2831 Methods of test for air filters used in AC and
general ventilationIS-702: 1988 Specification for Industrial bitumen IS-8188: 1999 Treatment of Water cooling towers IS-325: 1996 3 phase induction motors IS-4029: 1967 Guide for testing 3 phase induction motor IS-210: 1993 Specification grey iron casting IS-2062: 2006 Hot rolled low, medium and high tensile
Structural steel AMCA -Bulletin No. Standard code of testing centrifugal and axial 210
flow fans Relevant IS code Code of practice for welding mild steel IS-2676: 1981 Dimensions for wrought aluminum and aluminum
alloy sheets and strips ASHRAE Code Various filters BS-4735 Horizontal Burning for ARMOURED insulationBS- 4370 Part-1 Dimensional Stability for ARMOURED Insulation ASTM D 1056 Water Absorption for ARMOURED Insulation
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4.00.00 PERFORMANCE GUARANTEE 4.01.00 The bidder shall confirm his guarantee for the performance of the complete air
conditioning system as parameter’s indicated in clause no.3.02.02. The Bidder shall also confirm his guarantee against the performance of each equipment as specified and as rated over specification.
4.02.00 Bidder shall also indicate the total power consumption for the complete air conditioning
System considering the complete scope of supply / work as specified and confirm his guarantee against the same.
4.03.00 Material of construction shall conform to the General Design and Construction
requirement as specified and the relevant codes and standards as specified. 5.00.00 DRAWINGS, DATA AND INFORMATION REQUIRED ALONG WITH PROPOSAL
Besides submitting the enclosed TECHNICAL PARTICULARS duly filled in, the proposal shall also include the following calculations, drawings, curves and information wherever applicable.
5.01.00 Preliminary cooling and heating load calculation is to be furnished.
5.02.00 Preliminary equipment layout drawings of the air conditioning plant room, AHU room and preliminary ducting layout drawing are to be furnished.
5.03.00 Manufacturer’s catalogue and literatures incorporating outline and sectional drawings
and ducting data for the following equipment:
Water-cooled Packaged Screw Chiller Condenser cooling & chilled water pumps Cooling tower
Air handling unit (Fan, cooling coil & filter) Fan Coil Unit
Drive motors for various equipment as applicable Non chemical water treatment Air-cooled Non Duct able Split Air-conditioner Dry panel filter Chemical filter
Direct Digital Controller Power, Control & Instrumentation cables Electrical Motor Electrical Panel Catalogues of Electrical Equipment ( Breaker , MCCB , Type-II Chart, Lamp etc)
5.04.00 Drive list 5.05.00 A detailed experience list about supply for system of similar type for similar application
mentioning in each case the salient technical parameters, date of commissioning and name of customers.
5.06.00 A comprehensive write-up and / or brochure on details of manufacturing and testing
facilities in the shop of the manufacturer. 5.07.00 Any other relevant data and particulars.
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5.08.00 List of bought-out items and makes of the same. 5.09.00 Properly filled in Annexures enclosed with this specification. 5.10.00 If the Tenderer fails to furnish any of the information/drawing/ document/data as asked
in this specification, the offer may be rejected without showing any reason thereof. 6.00.00 DRAWINGS, DATA AND INFORMATION REQUIRED FROM SUCCESSFUL TENDERER The tenderer shall fill up the drawings submission schedule enclosed with the
specification, indicating the dates (counting the date from award of contract ) of submission to the SPM .
A. Cooling load calculation and selection of equipment B. Technical data sheet for:
Water Cooled Packaged Screw Chiller Air conditioning plant room Air handling unit Fan Coil Unit Cooling Tower Pump Expansion Tank Make-up Water Tank Air-cooled Non Duct-able Split Unit Fan Coil Unit Filters All electrical Equipment as listed in Annexure-IIIB
C. Equipment general arrangement drawing D. Schematic flow and instrumentation diagram of the complete system indicating the limits
of supply and erection. E. Equipment layout drawing with foundation / supporting details F. Ducting layout drawing showing the details of duct sizes, duct joints, duct insulation,
duct supports, diffusers, grilles, dampers etc. G. Layout drawings showing the route of refrigerant piping, cooling water piping and chilled
water piping with details of insulation hangers, supports etc. H. Electrical GA , SLD , Power and Control Circuit Diagram for different electrical panels
and the system as applicable with control logic write-up. I. Electrical Panel / Switchgear outline drawings, bill of instruments and drawings showing
construction of Panel / Switchgear. J. Layout of power and Control cabling showing supporting detail of cable trays/conduits. K. Control philosophy of AC system & DDC Configuration Drawings. L. Material test certificates. M. Shop test reports and certificates.
Page 85 of 170
N. Operation, maintenance and overhauling manuals. The successful tenderer, shall prepare, during the project execution stage a
comprehensive manual giving details of operation and maintenance instructions, covering but not limited to the following aspects:
i) Equipment description with design particulars. ii) Installation and Maintenance Instruction including preventive maintenance
requirements.
iii) Instruction for pre-commissioning check-up, operation.
iv) Trouble shooting.
v) Spare Parts list.
vi) Lubricant and lubrication schedule
vii) Control logic and inter connection and calibration of controls.
viii) System description
ix) Necessary drawings, illustration
x) List of manufacturer’s name and catalogues
xi) Safety instructions.
The manual shall be securely bound in hard back durable folder with proper indexing and separators.
7.00.00 EXCLUSIONS Following facilities are outside the scope of the successful tenderer and will be made
available by the SPM.
a) Building and foundation of all equipment. b) Opening on walls, floors and roofs. However, minor cutting and/or making good of
all openings, if there is any misalignment, are in the scope of the AC contractor. c) Floor Drains. d) All insert plates, pedestals as required. e) Open space for storage, where the contractor may construct his lockable store. f) Clarified make up water supply within 5 M distance from the Make-Up Water Tank,
Expansion tank and Humidifiers. g) Floor/ Wall drain points in AC Plant Room, AHU room / area. h) 240V, 1Ph power supply with incoming cables, Sockets and switches for Split units. i) Main earthing station and the risers for connection to drives, devices & equipment
(provided by the AC Contractor). j) Plant illumination system. k) Plant lightning protection system. l) Plant intercommunication system. m) Fire/smoke detectors. n) Fire protection and detection systems including zone fire panels and all cables
between fire sensors and the fire dampers and fire panels and those between the zone fire panels and MCC cum PDB / LSPs (provided by the AC Contractor). However, control cables between fire dampers and MCC cum PDB / LSPs (provided by the AC Contractor) shall be under the scope of the AC Contractor.
o) Drain piping beyond 5 M distance.
Page 86 of 170
APPENDIX - A
SITE AND MILL SERVICES DATA
A. PHYSICAL & CLIMATOLOGICAL DATA
1. Location (with Latitude/Longitude)
- Nearest Airport : Raja Bhoj Airport, Bhopal - Nearest Railhead : Hoshangabad - Nearest Sea Port : Mumbai
2. Altitude : 302 Meters above MSL.
3. Ambient Air Temp.
- Maximum : 46.3º C - Minimum : 3.3º C - Average : 32.8º C
4. Relative Humidity
- Maximum : 91 % - Minimum : 19%
5. Rainfall
- Annual average : 1225.9 mm - Annual Maximum : 2045.7 mm
6. Wind Velocity
- Mean : 0.8 m./sec - Maximum : 2.1 m/sec
11. Earthquake zone
: Seismic Zone III
Page 87 of 170
APPENDIX - A
SITE AND MILL SERVICES DATA (CONT’D.)
B. UTILITY SERVICES DATA
1. Mill water pressure at ground floor : 3.0 bar a
2. Mill air pressure : 6.0 bar a
3. Inst. Air pressure : 6.0 bar a
4. Process Steam Pressure & Temp.
- High Pressure : 7.5 bar g, 1750C
- Medium Pressure
: 5.0 bar g. 1650C
- Low Pressure : 1.5 bar g, saturated
5. Power Supply
A) Distribution
• Primary Distribution Voltage : • 33 kV ±5%, 50 Hz ±3%, 3 Phase, 3 Wire, Fault level : 31.5 KA for 3
sec, Earthed through NGR • Secondary Distribution Voltage
: • 11 kV ±5%, 50 Hz ±3%, 3 Phase, 3
Wire, Fault Level: 40 KA for 1sec, Earthed thru NGR
• 415 V ±10%, 50 Hz ±3%, 3 Phase, 4 Wire, Effectively (Solidly) Earthed, Fault level:50 KA for 1 sec
B) Utilization
a) For Motors(<200kW) (other than PM drive)
: 415 V ±10%, 50 Hz± 3%, 3 Phase, 4 Wire
b) For 63A Power Socket
: 415 V ±10%, 50 Hz ±3%, 3 Phase, 4 Wire
c) For illumination : 230 V ±10%, 50 Hz ±3%, 1 Phase
Page 88 of 170
APPENDIX - A
SITE AND MILL SERVICES DATA (CONT’D.)
C. UTILITY SERVICES DATA
6. Control Supply
• AC Control Voltage
a) Control Voltage : i) 110 V ±10%, 50 Hz ±3%, 1 Phase ii) 240 V ±10%, 50 Hz 3%, 1 Phase
b) For inst./automation : 230/240 V ±10%, 50 Hz ±3%, 1 Phase
• DC Control Voltage
a) For inst./automation : 24V DC 2 wire
b) For Emergency Lighting & Switchgear Control
: 110V DC 2 wire, ungrounded
Page 89 of 170
Proposal Sheets
Annexure I thru’ VII PROPOSAL SHEETS
ANNEXURES TO TENDER SPECIFICATION
(To be filled by the Tenderer) 1.0.0 The Tenderer shall fill in the Technical information and the data sheets required in the
following Annexures and submit the same along with this proposal.
Annexure – I : Key Information
Annexure – II : Guaranteed Data
Annexure – III : Technical Particulars
Annexure – IV : Progress Schedule
Annexure – V
: Drawing Submission Schedule
2.0.0 The information sought out in data sheets enclosed hereinafter in this Section, shall be
furnished by the Tenderer in the format specified by typing out answers to the questionnaire at the appropriate spaces allotted. These must be properly signed by the authorized representative of the Tenderer as verification of the data submitted. These signed pages, in their entirety, shall be returned with and shall be a part of the Tenderer’s original Proposal. Other copies of the proposal shall contain prints of these sheets duly filled in. Failure to comply with the above requirement may result in rejection of the Proposal.
Page 90 of 170
ANNEXURE – I
KEY INFORMATION
1.00.00 Tenderer’s Proposal Number :
2.00.00 Terms of Payment :
3.00.00 Furnished base offer strictly as per specification requirement? :
4.00.00 Equipment guarantee period :
5.00.00 Tender guarantee furnished? : If yes, in what form?
6.00.00 Tenderer has filled in the data sheets as follows :
Annexure - I Key Information : Yes / No
Annexure - II Guaranteed data : Yes / No
Annexure - III Technical Particulars : Yes / No
Annexure - IV Progress Schedule : Yes / No
Annexure - V Drawing Submission Schedule : Yes / No
Signature of Tenderer’s authorized representative with office seal: ----------------------------------------------------------- ----------------------------------------------------------- Date : ----------------
Page 91 of 170
ANNEXURE-II GUARANTEED DATA The filled up guarantee figures for inside design condition and all – individual capacity, head, efficiency, input power, motor input power etc. are given below:
1 Performance Parameters conform to the followings:
Inside Conditions The internal design conditions in various areas to be maintained are as follows:
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH ((aallll SSeeaassoonn)) ffoorr ::
(i) PM finishing area 224400CC±± 1100CC DDBB aanndd 6600%% RRHH ((aallll SSeeaassoonn)) ffoorr :: (j) MCC room (grid 10-14 at 6.0 m level) (k) Medium voltage switchgear room DE/10-12 (l) Control centre wet section and Engineering room
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH ((aallll SSeeaassoonn)) ffoorr :: (m) Strong room
225500CC±± 1100CC DDBB aanndd RRHH nnoott eexxcceeeeddiinngg 6600%% ((aallll SSeeaassoonn)) ffoorr: (n) Dry Section Control Room outside A-row Grid 16-17 at 6 M
level (o) Electrical room – chemical preparation F-G / 7-8 (p) Control room – chemical preparation F-G / 8-9 (q) AC Plant Control Room (r) Recreation Room (s) Meeting room (t) Offices
225500CC±± 1100CC DDBB aanndd 5500%%±±55%% RRHH ((aallll SSeeaassoonn)) ffoorr :: (u) Lab Filtration Efficiency Dry type Panel Filter (connected with AHU, AWU, Fan Filter Unit & Fresh Air System)
• Filtration Efficiency : 90% down to 10 Microns
• Pressurizations : Positive
• Filtration Standard : ASHRAE STD-62
High Efficiency Filter (connected with Fresh Air System with Chemical Filter)
: Yes/No
Page 92 of 170
• Filtration Efficiency : 95% down to 5 Microns
• Pressurizations : Positive
• Filtration Standard : ASHRAE STD-62
2 Total power consumption of AC System equipment based on the specified design conditions, KW
:
3 All Technical Data furnished in Technical Particulars Sheets shall be deemed to be guaranteed
: Yes / No
Signature of Tenderer’s authorized representative with office seal: ----------------------------------------------------------- ----------------------------------------------------------- Date : ----------------
Page 93 of 170
ANNEXURE-III TECHNICAL PARTICULARS
ANNEXURE-IIIA - MECHANICAL Sl. No. Description 1.00.00 Water Cooled Packaged Screw Chillers 2.00.00 Chilled Water & Condenser Water Pumps 3.00.00 Induced Draft Cooling Towers 4.00.00 Air Handling Unit / Fan Coil Unit 5.00.00 Air Cooled Non Ductable Split AC Units 6.00.00 Air Filters 7.00.00 Duct Work 8.00.00 Insulation 9.00.00 Fresh Air System 10.00.00 Miscellaneous Items 1.00.00 WATER COOLED PACKAGED SCREW CHILLER UNIT
Type : Make :
Model No. :
Capacity (TR) : Qty. :
1.01.00 REFRIGERANT COMPRESSOR FOR PACKAGED SCREW CHILLER Manufacturer :
No. of Units : Type :
Refrigerant : PERFORMANCE Condensing Temperature (0C) :
Evaporating Temperature (0C) : Capacity in Kcal/hr. :
R.P.M. : B.H.P. required :
Lubrication type : H.P. recommended :
Page 94 of 170
All operating / safety Controls : Yes/No
and interlocks as specified provided. (Use separate sheets and furnish details)
1.02.00 HEAT EXCHANGER (Use separate sheets for condenser and chiller) Manufacturer : Type : Service CONDENSER CHILLER
PERFORMANCE DATA Tube side Shell side
Fluid Temperature
0C inlet :
0C outlet :
Velocity : No. of passes : Heat exchange Kcal/hr. : L.M.T.D. Deg. C : (Including correction factor) Overall heat transfer coefficient : (Kcal/hr. Sq. m-0C)
Fouling factor : (In hr-Sq. m - 0C /Kcal.)
Surface area (Sq. m.) :
Pr. drop metre of water head : All auxiliaries are specified : Yes/No. /required provided
(Use separate sheets and furnish details)
AUXILIARIES TUBE SIDE SHELL SIDE Remarks :
Operating chiller capacity at Suction temperature :
Condensing temperature :
Leaving chilled water temperature :
Entering cond. water temperature :
Page 95 of 170
Compressor BHP at above : operating condition
2.00.00 CHILLED WATER & CONDENSER WATER PUMPS
(Use separate sheets for Chilled water pump and Condenser water pump) Manufacturer :
Model No. : Total No. required :
Type : PERFORMANCE Rated capacity : (M3/Hr.)
Efficiency at rated capacity : Total head at rated capacity : (MWC)
Pump input : HP
Drive Motor HP : HP Permissible suction : (MWC)
Pump speed : R.P.M.
Vibration isolator pads : Yes/No Provided
Air release cocks provided : Yes/No
3.00.00 INDUCED DRAFT COOLING TOWERS
Manufacturer :
Model No. :
Total No. quoted :
Type : Forced Draft / Inducted Draft / Natural Draft
Total operating weight : KG. including water Overall dimensions : (mm x mm x mm)
PERFORMANCE
Cooling water quantity : (M3/Hr.)
Water temperature - Inlet : OC
Page 96 of 170
Outlet : OC
Wet bulb temperature : OC Fan Capacity : Cu. M / Hr. Approach : OC
Total pressure : mm WC Fan Power : BHP
Air velocity at fan outlet : M / Sec.
No. of Nozzles :
Pressure required at nozzles : MWC
All accessories as specified/ : Yes/No required are provided
4.00.00 AIR HANDLING UNIT / FAN COIL UNIT 4.01.00 Air Handling Unit (Use separate sheets for different types/models/applications) Manufacturer :
Model No. :
No. quoted : Type (Double/Single skin) :
PERFORMANCE OF FANS
Capacity : Cu. M / Hr.
Total Static Pressure : mm WC
Outlet velocity : M /Sec. Rated speed : R.P.M.
B.H.P. : H.P.
Motor rating : H.P. Overall dimensions : (mm x mm x mm) Overall operating weight : KG No. of outlets : Outlet dimensions :
CONSTRUCTION
Page 97 of 170
Impeller material : Casing material : Shaft material :
Drive :
Coupling : COOLING COIL
Manufacturer : No. quoted :
PERFORMANCE Cooling capacity : Kcal/Hr Air quantity : Cu. M/Hr Coil entering condition of Air : 0C/RH Coil leaving condition of Air : 0C/RH
Chilled water temperature at inlet : 0C Water quantity : Cu. M /Min. Pr. drop air side : mm WC
Pr. drop water side : MWC
Fouling factor : Sq. m / hr.0C / Kcal. Overall heat Transfer : Kcal/Sq. m /Hr./ 0C coefficient
CONSTRUCTION
Coil pipe size : Fin. material : No. of fins :
Size of coil (Face area) :
Face velocity : m/sec No. of rows : No. of circuits :
Face damper :
Bypass damper :
Size :
Page 98 of 170
FILTER Manufacturer : Size : No. Quoted :
PERFORMANCE Capacity : Cu. M / Hr. Face velocity : M /Sec. Pressure drop (clean) : mm WC
Pressure drop (dirty) : mm WC Efficiency according to AFI : Filter Material : Filter frame material : Remarks : 4.02.00 Fan Coil Unit (Use separate sheets for different models/applications) 4.02.01 Manufacturer : No. quoted :
PERFORMANCE
Capacity : Cu. M / Hr.
Total Static Pressure : mm WC
Outlet velocity : M /Sec.
Rated speed : R.P.M.
B.H.P : H.P.
Motor rating : H.P. Overall dimensions : (mm x mm x mm) Overall operating weight : KG No. of outlets : Outlet dimensions :
CONSTRUCTION Impeller material :
Page 99 of 170
Casing material : Shaft material :
Drive :
Coupling :
4.02.02 COOLING COIL Manufacturer : No. quoted : PERFORMANCE Cooling capacity : Kcal/Hr Air quantity : Cu. M/Hr Coil entering condition of Air : 0C/RH Coil leaving condition of Air : 0C/RH
Chilled water temperature at inlet : 0C Water quantity : Cu. M /Min. Pr. drop air side : mm WC
Pr. drop water side : MWC
Fouling factor : Sq. m / hr.0C / Kcal. Overall heat Transfer : Kcal / Sq. m / Hr. / 0C coefficient
CONSTRUCTION
Coil pipe size : Fin. material : No. of fins :
Size of coil (Face area) :
Face velocity : m/sec No. of rows : No. of circuits :
Face damper :
Bypass damper : Size :
Page 100 of 170
5.00.00 AIR COOLED NON DUCTABLE SPLIT AC UNITS (Use different sheets for different type, capacity & qty.)
5.01.00 GENERAL Type : Make :
Model No. :
Capacity (TR) : Qty. :
Power Consumption (KW) : Overall Dimension (L x B x D) : Gross Weight (Kg) : Catalogue enclosed : Yes / No.
Accessories provided Mounting Frame : Yes / No. Drain pipe (6m. long) : Yes / No. 5.02.00 REFRIGERANT COMPRESSOR Manufacturer :
No. of Units : Type :
Refrigerant : PERFORMANCE
Condensing Temp (oC) :
Evaporating Temp (oC) : Capacity in Kcal/hr :
R.P.M : B.H.P. required :
Lubrication type : H.P. recommended : All operating/safety controls : Yes/No and interlocks as specified provided.
(Use separate sheets and furnish details)
Page 101 of 170
5.03.00 COIL (CONDENSER AND EVEPORATOR) Manufacturer : Type : No. Quoted :
PERFORMANCE DATA Cooling capacity : Kcal / Hr. Air Quantity : CMH
Coil entering air temperature : 0C (Evaporator) Coil leaving air temperature : 0C (Evaporator) Pressure drop air side : mm WC No. of Circuits :
No. of Rows : Fouling Factor : Sq. M / Hr. / 0C / Kcal Overall Heat Transfer Co-efficient : Kcal / Sq. M / Hr. / 0C CONSTRUCTION Coil Pipe Size : Fin Material : No. of Fins : Size of coil (Face area) : Face velocity :
5.04.00 FAN PERFORMANCE EVAPORATOR CONDENSER
Capacity (Cu. M / Hr. ) : Total Static Pressure (mm WC) : Outlet velocity (M/Sec.) :
Rated speed (RPM) : (V-Belts)
Page 102 of 170
B.H.P. : Motor rating (H.P.) : CONSTRUCTION
Impeller material : Casing material : Shaft material :
Drive : Coupling :
Overall dimensions : Overall operating weight : No. of outlets :
Overall dimensions : Gross weight : No. of quoted : Catalogue enclosed : Yes / No 5.05.00 INSULATION WORK FOR REFRIGERANT PIPING Insulation material for :
Refrigerant piping
Name of manufacturer :
Trade Name :
Type : Density, kg/ Cu. M : 6.00.00 AIR FILTERS 6.01.00 Panel Type Dry Filters
Manufacturer :
Filter type and Size (Each) : Filter Quantity : Face Velocity : m/sec Overall dimensions : (mm x mm x mm)
Page 103 of 170
Filter media material : Filter frame material : Efficiency of filter : Filter pressure drop in mm WC a) In dirty condition : b) In clean condition :
Dust holding capacity :
Total weight in Kg : 6.02.00 Chemical Filters Manufacturer :
Filter type and Size (Each) : Filter Quantity : Face Velocity : m/sec Overall dimensions : (mm x mm x mm) Filter media material : Filter frame material : Efficiency of filter : Filter pressure drop in mm WC a) In dirty condition : b) In clean condition :
Dust holding capacity :
Total weight in Kg : Differential Pressure Switch With alarm provided? : Yes / No. Access door in filter section provided? : Yes / No. 6.03.00 High Efficiency Filters Manufacturer :
Filter type and Size (Each) : Filter Quantity :
Page 104 of 170
Face Velocity : m/sec Overall dimensions : (mm x mm x mm) Filter media material : Filter frame material : Efficiency of filter : Filter pressure drop in mm WC a) In dirty condition : b) In clean condition :
Dust holding capacity :
Total weight in Kg : Differential Pressure Switch With alarm provided? : Yes / No. Access door in filter section provided? : Yes / No. 7.00.00 DUCT WORK 7.01.00 General Maximum air velocity (AC) : M / Sec.
Main supply ducts (AC) : M / Sec. Branch supply ducts (AC) : M / Sec. Thickness of Zinc coating :
Layout of ducting location and : Number of air grilles / diffusers etc. conform to the arrangement shown in the drawing
Duct supports provided? : Yes/No
Spacing centre to centre : M Flexible connection between :
Duct work and fan units.
Splitter Damper provided? : Yes/No Supply air diffusers : Outlet air velocity : M / Sec. Neck size, mm dia :
Type :
Page 105 of 170
Type of damper : Material of construction a) Cone : b) Internals : c) Damper louvers : Type and thickness of finish :
Painting Large size duct bends provided :
With Straightener vanes? Duct work confirms Technical :
Specification? 7.02.00 Fire Damper (Motorized) (Use separate sheets)
Manufacturer : Rating : Pressure drop : mm WC Air velocity through damper : m/sec Size and quantity of dampers : Material and thickness of frame : Material and thickness of blades :
Maximum air flow recommended : Power consumption : KW
8.00.00 INSULATION THERMAL ACOUSTIC 8.01.00 Insulation material & thickness For Duct Work :
Name of manufacturer : Trade Name : Type :
Density, kg/ Cu. m : 8.02.00 Insulation material & thickness For Under deck :
Name of manufacturer :
Page 106 of 170
Trade Name : Type :
Density, kg/ Cu. m : 9.00.00 FRESH AIR SYSTEM 9.01.00 Fresh Air System with Chemical Filter Capacity
Quantity Overall dimensions Power consumption Pre-filter size & quantity Pressure drop across pre-filter Chemical filter size & quantity Pressure drop across chemical filter High efficiency filter size & quantity Pressure drop across High efficiency filter Type of fan Fan capacity Fan pressure drop Fan power consumption Type of drive Selected motor rating
9.02.00 Fresh Air System with Panel Filter Capacity
Quantity Overall dimensions Power consumption Pre-filter size & quantity Pressure drop across pre-filter Type of fan Fan capacity
Page 107 of 170
Fan pressure drop Fan power consumption Type of drive Selected motor rating
10.00.00 MISCELLANEOUS ITEMS 10.01.00 Non-Chemical Water Treatment Plant Manufacturer :
Model No. : Total No. required :
Overall Dimensions : mm (Dia.) X mm (Length) MATERIAL OF CONSTRUCTION a) Outer Shell : b) Core : Water flow rate : CMH Water pressure drop : mmWG Total weight : Kg. 10.02.00 Electrode Humidifier Make :
Type : Capacity : Material of Construction : 10.03.00 Heater Make :
Type :
Rating : No. of Banks : 10.04.00 Miscellaneous Instruments 10.04.01 Humidity Sensor cum Transmitter Name of manufacturer : Model Number :
Number furnished :
Page 108 of 170
Type :
10.04.02 Temperature Sensor cum Transmitter Name of manufacturer : Model Number : Number furnished :
Type :
10.04.03 PRESSURE INDICATORS Name of manufacturer :
Type : Dial size, mm : Pressure indicator in refrigerant : Yes/ No. line equipped with gauge saver Each pressure indicator complete : Yes/ No. with isolating valve or cock
Furnished each pressure indicator : Yes/ No.
as shown in relevant drawing and as specified 10.04.04 TEMPERATURE INDICATORS Name of manufacturer : Type :
Furnished each temperature : Yes/ No. indicator as shown in relevant drawing and as specified
Page 109 of 170
TECHNICAL PARTICULARS
ANNEXURE-IIIB - ELECTRICAL 1.00.00 A.C. MOTORS (Information to be furnished for each rating of motor) 1.01.00 General 1.01.01 Application : 1.01.02 Quantity : 1.01.03 Make : 1.01.04 Frame Size : 1.01.05 Applicable Standard : 1.02.00 Type and Rating 1.02.01 Type of Motor : 1.02.02 Service : 1.02.03 Duty Cycle/Designation : 1.02.04 Rated Continuous output : At 40 °C ambient KW : At 45 °C ambient KW : At 50 °C ambient KW : 1.02.05 Rated Speed r.p.m. : 1.02.06 Rated Voltage & % variation : 1.02.07 Rated Frequency & % variation : 1.02.09 No load current : 1.02.10 Rated Power Factor : 1.02.11 Efficiency at rated voltage and Frequency a) Full load % : b) 3/4 load % : c) 1/2 load % :
Page 110 of 170
1.02.12 Motor Energy Efficient Type : 1.02.13 Rated Power Factor : 1.03.00 Performance 1.03.01 Method of starting : 1.03.02 Starting time at : 80%V 100%V 110%V
a) Motor with rigid coupling i) With load Sec. : ii) Without load (driven equipment coupled) Sec. : b) Motor with fluid coupling : 75%V 100%V 110%V
i) With primary side of fluid : coupling and oil content in the chamber
ii) Without Load :
1.03.03 Safe stall time at : 80%V 100%V 110%V a) Hot condition Sec. : b) Cold condition Sec. : 1.04.00 Construction 1.04.01 Degree of protection Enclosure : 1.04.02 Motor Terminal Box a) Suitable for cable size : b) Cable glands and lugs finished : 1.04.03 Insulation Class : 1.04.04 Method of Cooling : 1.04.05 Tropicalized : Yes/ No. 1.04.06 Winding Connection : 1.04.07 Bearings : D.E N.D.E
a. Make :
b. Type :
c. Recommended Lubricant :
Page 111 of 170
1.04.08 Motor Terminal Box a. Type : b. Cable gland plate furnished : Yes/ No. 1.05.00 Accessories 1.05.01 Space Heaters : a. No. x Watt : b. Volt, phase, frequency : 1.05.02 Winding temperature detector : a. Type : b. Nos. furnished : 1.05.03 Bearing temperature detector : a. Type : b. Nos. furnished : 1.05.04 Temperature Indicator : a. Type : b. Nos. provided : c. Locations : 1.05.05 Accessory Terminal Box : No. provided : 1.06.00 Grounding 1.06.01 No of Grounding Pads Provided :
a. On Motor Body :
b. On Terminal Box : 1.07.00 MISCELLANEOUS 1.07.01 Type of mounting : 1.07.02 Overall dimension (L x B x H) mm x mm x mm : 1.07.03 Moment of Inertia (SQGD) : a. Stator Kg.m2 : b. Rotor Kg.m2 :
Page 112 of 170
c. Total : 1.07.04 Weight a. Stator Kg : b. Rotor Kg : c. Total Kg : 2.00.00 LOCAL PUSH BUTTON STATION (LPBS) 2.01.00 Make : 2.02.00 Type : 2.03.00 Enclosure : 2.04.00 Degree of Protection : 2.05.00 Lockout switches enclosure furnished with : a) Inscription plate :
b) Knockout for cable/circuit entry : 2.06.00 Contacts Of Each Push Button a) Number furnished : b) Current rating : Make & Continuous : Break (Inductive) : 2.06.01 Stop Push Button having provision of locking in lockout position : 3.00.00 LOCAL STARTER PANEL 3.01.00 General 3.01.01 Make : 3.01.02 Non- draw out : Yes / No
3.01.03 Short Circuit Rating a) Interrupting Symmetrical : KA b) Short time for 1 sec. : KA rms 3.01.04 Insulation Level 1 min. 50 Hr/Voltage withstand : KV rms
Page 113 of 170
3.01.05 Enclosure a) Degree of Protection : b) Minimum thickness of sheet metal mm : 3.01.06 LSP/LSCP fully assembled,
wired & tested at factory 3.02.00 Construction 3.02.01 All meters, relays, lamps etc. flush mounted type : 3.02.02 Vertical Section Size Double Front Single Front a) LSP (L x D x H) mm :
b) LSCP (LXDXH) mm : 3.03.00 Bus Bar 3.03.01 Make : 3.03.02 Material & Grade : 3.03.03 Reference Standard : 3.03.04 Cross Sectional Area Sq.mm :
a. Main Bus Bar Ph/N :
b. Vertical Bus Bar Ph/N : 3.03.05 Continuous currents at site condition, 50 Deg. C ambient and within cubicle : a) Main Bus bar Amp b) Vertical Bus bar (Minimum) : Amp 3.03.06 Max. temp. rise over 50 Deg. C ambient : 0C 3.03.07 Short time current for 1 second : KA rms 3.03.08 Bus Connections a) Silver plated : b) Provided with anti-oxide grease : c) Bimetallic connectors between dissimilar metals :
Page 114 of 170
3.03.09 Minimum clearance of bare bus bar and connection : a) Phase to phase mm : b) Phase to ground mm : 3.03.10 Bus Support Spacing mm : 3.03.11 Bus Bar Colour Coded Yes / No : 3.04.00 Air-Circuit Breaker/ MCCB 3.04.01 Make : 3.04.02 Rated Currents
a) Continuous (at site condition, 50 Deg.C ambient & within cubicle) --- : AMPS b) Short time Current for 1 second --- KA rms 3.04.03 Max. temp. rise over 50 Deg.C ambient : Deg.C 3.04.04 Rated Operating Duty : 3.04.05 Interrupting Capacity rated voltage and operating duty a) Symmetrical : KA rms b) Asymmetrical : KA rms 3.04.06 Rated Making Current : KA rms 3.04.07 MCCB furnished with
a. Operating Handle :
b. Door Interlock :
c. Provision for padlocking in ON : & OFF Positions.
3.04.08 No of Poles : 3.04.09 Rated Making Current KA peak : 3.04.10 Insulation Level 1-minute 50 Hz Voltage withstand KV rms : 3.04.11 At 100% interrupting Capacity
a. Opening Time ms : b. Arching Time ms : c. Total Tripping Time ms :
Page 115 of 170
d. Total Closing Time ms : 3.04.12 Minimum Clearence in air – a. Between Poles mm : b. Between live parts & ground mm : 3.04.13 Type of arc control device ? : 3.04.14 Operating Mechanism a. Type : b. No of Breaker operation : c. Trip Free or Fixed Type : d. Anti Pumping features provided? : 3.04.15 Spring Charging Motor : 3.04.16 Closing Coil of Breaker
a. Voltage V : b. Permissible Voltage Variation % : c. Closing Current at Rated voltage :
3.04.17 Tripping Coil
a. Voltage V : b. Permissible Voltage Variation % : c. Tripping Current at Rated voltage :
3.04.18 Net weight of Breaker Kg : 3.05.00 Switches
(If applicable) 3.05.01 Make : 3.06.00 Fuse :
(If applicable) 3.06.01 Rupturing capacity : KA rms (sym) 3.07.00 Contactors 3.07.01 Make : 3.07.02 Type : 3.07.03 Reference standard : 3.07.04 Duty class :
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3.07.05 Utilization category : 3.07.06 Operating Coil Voltage a) Rated : b) Pick-up : c) Drop-out : 3.07.07 Continuous Current rating at 50 Deg.C & within cubicle A : 3.07.08 Power Consumption a) During closing VA : b) After closing VA : 3.07.09 Auxiliary Contacts furnished per Contactor a) Normally open (NO) : b) Normally closed (NC) : 3.07.10 Aux. Contact rating a) Make & Continuous Amp : b) Break (Inductive) at 240 V A.C. Amp : 3.07.11 Thermal Overload Relay & Single Phase Preventor a) Temperature compensated ? : b) Hand Reset ? : c) No. & type of contacts : d) Thermal overload characteristics furnished : e) Tolerance on current injection 1 - pole : 2 - pole : 3 - pole : f) Separate SPPR CT fed current operated furnished for motors above 22 KW Yes/No : 3.07.12 Whether Type-II coordination has been achieved Yes/No : 3.08.00 Push Buttons
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3.08.01 Push Button 3.08.02 Make : 3.08.03 Contact Rating
i) Make & Continuous Amp :
240 V AC Amp :
220 V DC Amp : ii) Break ( Inductive )
240 V AC Amp :
220 V DC Amp : 3.09.00 Selector Switch 3.09.01 Make : 3.09.02 Type & Cat. No : 3.09.03 3-Position Stayput Type : 3.09.04 Contact Rating
i) Make & Continuous Amp :
240 V AC Amp :
220 V DC Amp : ii) Break ( Inductive )
240 V AC Amp :
220 V DC Amp : 3.10.00 Meter 3.10.01 Make : 3.10.02 Size : 3.10.03 Accuracy class : 3.11.00 Relays 3.11.01 Make : 3.11.02 Drawout type with built in test facilities : 3.11.03 Type of Mounting : 3.11.04 Reference Standard :
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3.12.00 Current Transducer 3.12.01 Make : 3.13.00 Current Transformer 3.13.01 Make & Type : 3.13.02 Reference Standard : 3.13.03 Rated Frequency : 3.13.04 Class / ALF or ISF/VA burden furnished for
a. Relaying C.T :
b. Metering C.T : 3.14.00 Secondary Wiring 3.14.01 Type of Insulation : 3.14.02 Voltage Grade : 3.14.03 Conductor Material : 3.14.04 Current size (minimum) a) Potential Circuit : Sq. mm b) Current & Control Circuit : Sq. mm 3.15.00 Terminal Block 3.15.01 Make : 3.15.02 20% spare terminals furnished : 3.16.00 Bus Duct Connection (If applicable) 3.16.01 Bus duct connection included as per drawing/bill of materials : 3.17.00 Cable Termination 3.17.01 Cable entry provision from (top / bottom) : 3.18.00 Ground Bus 3.18.01 Ground bus furnished? : 3.18.02 Material : 3.18.03 Size : 3.19.00 Name Plate 3.19.01 Material : 3.20.00 Space Heater/Plug Socket
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3.20.01 Cubicle Heater a) Thermostat controlled : Yes/No. 3.20.02 Plug Socket a) Make : 3.20.03 Provision made for motor heater supply : 3.20.04 Cubicle/Motor heater provided with individual switch fuse units : 3.21.00 Protective Relays a) Make : b) Type : 3.22.00 Tropical Protection a) Any special treatment for tropical protection : b) Screens are of corrosion : resistant materials 3.23.00 LED Lamp 3.23.01 Make : 3.23.02 Type & Cat. No : 3.23.03 Watts / Voltage : 3.23.04 Replaceable from Front ? : 3.24.00 Painting Finish of LSP / LSCP a) Inside : b) Outside : 3.25.00 Test 3.25.01 Routine tests on LSP / LSCP to be performed : a) b) c) d) 3.25.02 Type Test Quoted
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a) b) c) 3.26.00 Typical Drawings/Data Furnished 3.26.01 General arrangement : 3.26.02 Foundation plan : 3.26.03 Type test reports/certificates : 4.00.00 HOOTER SYSTEM 4.01.01 Type : 4.01.02 Architecture : 4.01.03 Type of contact : 4.01.04 Available Power Supply 4.01.05 Audible Alarm : 4.01.06 Mounting of Audible Alarm : 4.01.07 Tone Generator : 4.01.08 Sound Intensity : 4.01.09 Preferred Sequence : 4.01.10 Make : 4.01.11 Model No. : 5.00.00 DIRECT DIGITAL CONTROLLER BASED CONTROL PANEL 5.01.00 GENERAL CONSTRUCTIONAL DETAILS 5.01.01 Material of Construction : 5.01.02 Thickness (Minimum) : 5.01.03 Colour : 5.01.04 Wiring : 5.01.05 Construction : 5.01.06 Door : 5.01.07 Internal Illumination : 5.01.08 Enclosure :
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5.01.09 Wiring Standard : 5.01.10 Anti vibration mounting : 5.01.11 Earthing : 5.01.12 Cable Entry : 5.02.01 Enclosure Degree of Protection 5.02.02 Dimensions of Control Panels : (L x D x H) mm
a) :
b) :
5.03.00 All meters, relays, lamps etc. flush mounted type 5.04.00 Make 5.05.00 MCB 5.05.01 Make : 5.06.00 FUSE : 5.06.01 Rupturing capacity : KA rms (sym) 5.07.00 CONTACTORS 5.07.01 Make : 5.08.00 LAMPS : 5.08.01 Make : 5.08.01 Type : 5.09.00 SECONDARY WIRING 5.09.01 Type of Insulation : 5.09.02 Voltage Grade : 5.09.03 Conductor Material : 5.09.04 Current size (minimum) a) Potential Circuit : Sq. mm b) Current & Control Circuit : Sq. mm
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5.10.00 TERMINAL BLOCK 5.10.01 Make : 5.10.02 20% spare terminals furnished : 5.11.00 CABLE TERMINATION 5.11.01 Cable entry provision from : top and bottom? 5.12.00 GROUND BUS 5.12.01 Ground bus furnished? : 5.12.02 Material : 5.12.03 Size : 5.13.00 NAME PLATE 5.13.01 Material : 5.14.00 TROPICAL PROTECTION a) Any special treatment for tropical protection : b) Screens are of corrosion : resistant materials 5.15.00 PAINTING Finish
a) Inside : b) Outside : 5.16.00 TYPICAL DRAWINGS/DATA FURNISHED 5.16.01 General arrangement : 5.16.02 Foundation plan : 6.00.00 CABLES POWER CONTROL CABLE CABLES 6.01.00 Make : 6.02.00 Type : 6.03.00 Applicable Standard : 6.04.00 Voltage Grade :
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6.05.00 Suitable For System With a) Service Voltage : b) Neutral Earthing : 6.06.00 Maximum Conductor Temperature a) Continuous : Deg.C b) Short Time : Deg.C 6.07.00 Conductor a) Material : b) Size : Sq.mm. c) No. of Diameter of wire in each conductor : No./ mm
6.08.00 Shielding On Conductor a) Material : b) Type : c) Thickness : mm
6.09.00 Insulation
a) Material : b) Type : c) Thickness : mm 6.10.00 Shielding On Insulation a) Material : b) Type : c) Thickness : mm 6.11.00 Inner Sheath a) Material : b) Type : c) Thickness : mm d) Extruded : Yes / No. e) Approx. Outside dia. over sheath : mm
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6.12.00 Overall Sheath a) Material :
b) Type : c) Thickness :
6.13.00 Approximate overall diameter (mm) : 6.14.00 Standard drum length with tolerance (M) : 6.15.00 Net Weight of Cable 6.16.00 Continuous Current Rating for Standard IS Condition laid Direct a) In Ground : b) In Duct : c) In Air : 6.17.00 Short Circuit Current for 1 Sec. (KA) : NOTE : These data shall be furnished for each size of cable. 6.18.00 CABLE SYSTEM 6.19.00 Cable Trays 6.19.01 Make : 6.19.02 Type/Material : 6.19.03 Load Bearing Capacity between two supported points: 6.19.04 Cable Trays are furnished complete with all accessories? : 6.19.05 i) Cable trays & accessories properly
galvanised? : ii) Thickness of Galvanised : 6.19.06 Standard width of cable trays furnished : 6.19.07 Reference Standard : 6.19.08 Thickness of sheet of cable tray and covers : 6.20.00 Conduits 6.20.01 Make : 6.20.02 Type/Material : 6.20.03 Reference Standard : 6.20.04 Gauge :
up to 25 mm dia. :
above 25 mm dia. :
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6.21.00 Cable Lug 6.21.01 Make : 6.21.02 Type/Material : 6.21.03 Sizes furnished as specified : 6.21.04 Reference Standard : 6.21.05 Whether drawings/catalogues enclosed? : 6.22.00 Ferrules 6.22.01 Make : 6.22.02 Type/Material : 8.22.03 Colour : 6.22.04 Interlocked type? : 6.22.05 Reference Standard : 6.23.00 Cable Clamps 6.23.01 Make : 6.23.02 Type/material : 6.24.00 Fire Sealing Compound 6.24.01 Make : 6.24.02 Type : 6.25.00 Grounding 6.25.01 Material : 6.25.02 Size : 7.00.00 415V MCC CUM PDB 7.01.00 ASSEMBLY 7.01.01 Make : 7.01.02 Type : 7.01.03 Reference Standard : 7.01.04 Voltage (Nom./Max.) Volt : 7.01.05 Phase, Frequency No., Hz : 7.01.06 Short Circuit Rating a) Interrupting Symmetrical KA : b) Short time for 1 sec. KA rms : 7.01.07 Insulation Level 1-min., 50 Hz Voltage withstand KV rms :
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7.01.08 Construction Metal clad, air insulated, floor mounting : Yes/ No. 7.01.09 Enclosure a) Degree of Protection :
b) Minimum thickness of sheet metal mm :
7.01.10 MCC CUM PDB fully assembled, wired and tested at factory : Yes/ No. 7.02.00 CONSTRUCTION 7.02.01 Design a) Completely compartmentalized : b) Working height limits from floor level mm : 7.02.02 features provided for a) Circuit breaker with SERVICE, TEST & ISOLATED position : Yes/ No. b) Voltage Transformers : Yes/ No. c) Protective Relays : Yes/ No. d) Module provided with service test & isolated position : Yes/ No. 7.02.03 Breaker Cubicle a) Breaker cubicles restricted to bottom 2-tiers only : Yes/ No. b) Working height limits from floor level mm :
c) Cubicle door can be enclosed when Breaker is in TEST position : Yes/ No. 7.02.04 Control Compartment Provided with individual front access door : 7.02.05 MCC cum PDB section provided with a) Removable back cover for breaker panel : b) Full height cable chamber : 7.02.06 Horizontal wire way for inter panel wiring provided : 7.02.07 All meter, switch and relays flush
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mounted type : Yes/ No. 7.02.08 Minimum clear space required at a) Front for breaker withdrawal mm : b) Rear mm : 7.02.09 Vertical Section for a) Overall Dimension (L x B x H) mm :
• Incomer :
• Bus coupler : b) Approximate Weight Kg : 7.03.00 BUSBAR 7.03.01 Make : 7.03.02 Material & Grade : 7.03.03 Reference, Standard : 7.03.04 Cross Sectional area sq.mm : a) Main Busbar Ph/N : b) Vertical Busbar Ph/N : 7.03.05 Continuous current (at site condition, 50 deg.C ambient & within cubicle) Amp : a) Main bus bar Amp : b) Vertical bus bar Amp : 7.03.06 Maximum temperature rise over 50 Deg.C for bus bar & bus connection Deg.C: : 7.03.07 Short-time current for 1 Sec. KA rms. : 7.03.08 Separate enclosure/phase barriers Sleeving /shrouding provided for : a) Main busbar : b) Vertical droppers : c) Circuit Breaker connections : 7.03.09 Bus Connections : a) Silver plated : b) Provided with anti-oxide grease :
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c) Bimetallic connectors between dissimilar metals : 7.03.10 Minimum clearance of bare busbar and connection : a) Phase to phase mm : b) Phase to ground mm : 7.03.11 Busbar support spacing mm : 7.03.12 Busbars colour coded : Yes/No 7.03.13 Bus Support Insulator a) Make : b) Type : c) Reference Standard : d) Voltage class KV : e) Min. Creepage Distance mm : 7.04.00 CIRCUIT BREAKER 7.04.01 Make : 7.04.02 Type : 7.04.03 Reference Standard : 7.04.04 Rated Voltage KV : 7.04.05 Rated Frequency Hz : 7.04.06 No. of Poles No. : 7.04.07 Rated Currents : a) Continuous (at site condition, 50 Deg.C ambient & within cubicle) Amp. : b) Short-time Current for 1 second KA rms. : 7.04.08 Maximum temperature rise over 50 Deg.C ambient Deg.C : 7.04.09 Rated Operating Duty : 7.04.10 Interrupting Capacity at rated Voltage and Operating duty : a) Symmetrical KA rms. :
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b) Asymmetrical KA rms. : 7.04.11 Rated Making Current KA.peak : 7.04.12 Insulation Level 1-minute 50 Hz voltage withstand KV rms. : 7.04.13 At 100% interrupting capacity a) Opening time ms. : b) Arcing time ms. : c) Total tripping time ms. : 7.04.14 Total closing time ms. : 7.04.15 Number of breaks per pole : 7.04.16 No. of breaker operations permissible, without requiring inspection, replacement of contacts and other main parts : a) At 100% rated current : b) At 100% rated interrupting current : 7.04.17 Type of Contacts a) Main : b) Arcing : 7.04.18 Material of Contacts a) Main : b) Arcing : 7.04.19 Minimum clearance in air - a) Between poles mm : b) Between live parts & ground mm : 7.04.20 Type of arc control device ? : 7.04.21 Operating Mechanism a) Type : b) No. of breaker operations stored : c) Trip free or fixed trip ? : d) Anti-pumping features provided ? : 7.04.22 Spring Charging Motor a) Rating KW :
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b) Voltage V : c) Permissible Voltage variation % : 7.04.23 Closing Coil a) Voltage V : b) Permissible Voltage variation % : c) Closing current at rated voltage A : 7.04.24 Tripping Coil a) Voltage V : b) Permissible Voltage variation % : c) Trip current at rated voltage A : 7.04.25 Breaker/Cubicle Accessories Accessories such as control switch, indication lamps, relays furnished as specified : Breaker/Breaker Cubicle provided with following : a) Mechanical safety interlock : b) Automatic safety shutter : c) Emergency manual trip : d) Mechanical ON-OFF indicator : e) Manual spring charging device : f) Manual operating handle : g) Operation counter : h) Charge/Discharge indication : i) Cell switch with 4 NO+4 NC contacts: j) Spare auxiliary switch with 6 NO+6 NC contacts for interlock mounted on stationary parts as specified : 7.04.26 Cell/Auxiliary Switch a) Are switch contacts convertible type? : b) Contact rating 220V DC : i) Make & Continuous Amp : ii) Break (Inductive) Amp :
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7.04.27 Net weight of the breaker Kg : 7.04.28 Impact load for foundation design (to include dead load plus impact values on opening at maximum interrupting rating) Kg : 7.04.29 Overall Dimension (LxBxH) mm : 7.05.00 CONTROL MODULE 7.05.01 Control Modules : a) Fully draw out : Yes/No 7.05.02 Drawout Modules of same type & rating are physically & electrically interchangeable : 7.05.03 Module sizes (L x D x H) a) Incomer/Bus coupler Circuit Breaker mm : 2500 A : 1600 A : 1250 A : 800 A : b) Outgoing feeder with 630 A MCCB : 400 A MCCB : 200 A MCCB : 100 A MCCB : 63 A MCCB : c) Motor feeder with starter units : 300 A Starter mm : 160 A Starter mm : 100 A Starter mm : 63 A Starter mm : 32 A Starter mm : 32 A Starter reversing mm : 16 A Starter mm : 16 A Starter reversing mm :
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7.06.00 MCCB 7.06.01 Make : 7.06.02 Type : 7.06.03 Reference Standard : 7.06.04 MCCB furnished with : a) Operating handle : b) Door interlock : c) Provision for padlocking in ON & OFF Positions. :
d) Earth fault relay for motor above 50 KW & upto 100 KW :
7.06.05 Current Ratings at 50 Deg.C ambient & within cubicle : a) : b) : c) : d) : 7.06.06 Breaking current @ 415 V A.C. or 220 V D.C. : a) : b) : c) : d) : 7.07.00 CONTACTORS 7.07.01 Make : 7.07.02 Type : 7.07.03 Reference standard : 7.07.04 Duty class : 7.07.05 Utilization category : 7.07.06 Operating Coil Voltage a) Rated : b) Pick-up : c) Drop-out :
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7.07.07 Continuous Current rating at 50 Deg.C & within cubicle A : 7.07.08 Power Consumption a) During closing VA : b) After closing VA : 7.07.09 Auxiliary Contacts furnished per Contactor : a) Normally open (NO) : b) Normally closed (NC) : 7.07.10 Aux. Contact rating a) Make & Continuous Amp : b) Break (Inductive) at 240 V A.C. Amp : 7.07.11 Thermal Overload Relay & Single Phase Preventor a) Temperature compensated ? : b) Hand Reset ? : c) No. & type of contacts : d) Thermal overload characteristics furnished : e) Tolerance on current injection 1 - pole : 2 - pole : 3 - pole : f) Separate SPPR CT fed current operated furnished for motors above 22 KW : Yes/No 7.07.13 Whether Type-II coordination has been achieved : Yes/No 7.08.00 CONTROL & INDICATIONS 7.08.01 Push Buttons a) Make : b) Type & Cat. No. : c) Contact rating : i) Make & Continuous Amp :
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• 240 V AC Amp :
• 220 V DC Amp :
ii) Break (Inductive) Amp :
• 240 V AC Amp :
• 220 V DC Amp : 7.08.02 LED a) Make : b) Type & Cat. No. : c) Watts/Voltage : d) Replaceable from front ? : 7.08.03 Selector Switch a) Make : b) Type & Cat. No. : c) 3-position stayput type : d) Contact rating - i) Make & Continuous Amp :
• 240 V AC Amp :
• 220 V DC Amp : ii) Break (indicative) Amp :
• 240 V AC Amp :
• 220 V DC Amp : e) Key interlock furnished ? : 7.09.00 CURRENT TRANSFORMER 7.09.01 Make : 7.09.02 Type : 7.09.03 Reference Standard : 7.09.04 Rated frequency : 7.09.05 Class/ALF or ISF/VA burden furnished for : a) Relaying C.T. : b) Metering C.T. : 7.09.06 Short-Circuit Withstand
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a) Short-time current for 1 sec. KA rms. : b) Dynamic current KA peak : 7.09.07 Class of Insulation : 7.09.08 Temperature rise over 50 Deg.C ambient : 7.09.09 Basic Insulation level KV rms : 7.10.00 CONTROL TRANSFORMER a) Make : b) Ratio : c) VA rating : 7.11.00 RELAYS 7.11.01 Drawout type with built in test facilities : 7.11.02 Type of mounting ? : 7.11.03 Reference Standard : 7.11.04 All relays furnished as per drawings : 7.11.05 Relay Details : Make Type Range 7.11.06 Incoming Power Cum MCC feeder a) 3-Definite time o/c relay for phase fault : b) 1-Definite time O/C relay for earth fault : 7.11.07 Motor feeder 1-Motor protection relay : 7.11.08 Miscellaneous relay
a) Anti-pumping relay : b) Trip supervision relay :
c) Auxiliary relay for tripping with hand reset : 4 pair of contact : 8 pair of contact : d) Time delay relay Delay on pick up : e) Under Voltage relay frequency compensated 3-pole : f) Auxiliary relay 220V DC self reset with 4 pair of contact : 8 pair of contact :
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g) Auxiliary relays for trip annunciation : h) Breaker contact multiplication relay with electrical and mechanical reset (latch type) 4 NO + 4 NC contact : 8 NO + 8 NC contact : 7.12.00 METERS 7.12.01 Make : 7.12.02 Type : 7.12.03 Reference Standard : 7.12.04 Size : 7.12.05 Scale : 7.12.06 Accuracy class : 7.12.07 Meter Switch a) Make : b) Type : c) Cat. No. : 7.13.00 SECONDARY WIRING 7.13.01 Type of Insulation : 7.13.02 Voltage grade : 7.13.03 Conductor material : 7.13.04 Conductor Size (Minimum) a) Potential & Control Circuit : b) Current Circuit : 7.13.05 Wires identified at both ends with markers : 7.14.00 TERMINAL BLOCK 7.14.01 Make : 7.14.02 Type : 7.14.03 Cat. No. : 7.14.04 Voltage grade :
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7.15.00 CABLE TERMINATION 7.15.01 Cable termination/connection furnished as specified : 7.15.02 Cable entry provision from top and bottom : Yes/No 7.15.03 Re-moveable Gland Plate a) Material for multi-core cable : b) Material for I/C cable : c) Thickness of the plate : 7.16.00 BUSDUCT CONNECTION 7.16.01 Busduct connection suitable for - a) Top entry : Yes/No b) Side entry : Yes/No 7.16.02 Busduct connection as per drawing furnished : Yes/No 7.17.00 GROUND BUS 7.17.01 Ground bus furnished : 7.17.02 Material : 7.17.03 Size : 7.18.00 NAME PLATE 7.18.01 Material : 7.18.02 Thickness : 7.18.04 Size for : a) Panel : b) Equipment/Device : 7.19.00 SPACE HEATER/PLUG SOCKET 7.19.01 Cubicle Heater a) Thermostat controlled ? : b) Wattage : c) Voltage : 7.19.02 Plug Socket a) Type : b) Rating :
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7.19.03 Motor Heater a) Provision made for motor heater supply : b) Separate contactor furnished : c) If so, contactor rating : 7.19.04 Cubicle heater, motor heater & plug socket circuit provided with individual MCB ? : 7.20.00 A.C./D.C. SUPPLY 7.20.01 MCCB for incoming supply : a) A.C. - type & rating : b) D.C. - type & rating : 7.20.02 MCCB at each cubicle : a) A.C. - type & rating : b) D.C. - type & rating : 7.21.00 TROPICAL PROTECTION 7.21.01 Any special treatment for tropical protection : 7.21.02 Screens are of corrosion resistant materials : 7.22.00 PAINTING 7.22.01 Finish: a) Inside : b) Outside : c) Whether powder coated? : 7.23.00 NO.OF ACCESSORIES FURNISHED 7.23.01 Breaker lifting/handling truck : 7.23.02 Racking in/out handle : 8.00.00 All materials required for cable trays grounding lighting protection as specified in specification & drawings included in the Bid? : Yes/No. 9.00.00 RECEPTACLES , PLUG AND SWITCH 9.01.01 Make :
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9.02.00 Catalogue Furnished ? ( Yes / No ) : 10.00.00 DIRECT DIGITAL CONTROLLER 10.01.00 General 10.01.00 Whether DDC offered for complete AC System as per specification ? : 10.01.02 Make and Model No. of DDC : 10.01.03 Whether DDC offered has capability to handle analog input processing : 10.01.04 Whether necessary Gateway / protocol to communicate with Owner's existing bus system has been included? : 10.01.05 Whether UPS , Battery & charger has been included with DDC? : 10.01.06 Whether system offered shall follow SWGR interface? 10.01.07 Confirm that all hardware/ software considered for required nos. of I/O (on as required to
axis with specified % spare) : :
10.01.08 Confirm I/O quantity furnished is adequate (with required spares as specified) to meet the
requirements of the specification : 10.02.00 PARTICULARS FOR DDC 10.02.01 Redundant data highway provided : 10.02.02 Speed of data highway : 10.03.03 Percentage loading of data highway : 10.03.04 Redundant bus provided : 10.03.05 Response of the system under worst data loading condition : 10.03.06 Communication type :
10.04.00 MISCELLANEOUS INPUT CONDITIONS EQUIPMENT (if applicable) 10.04.01 Filter : 10.04.02 Input S/N ratio : 10.04.03 Input card removal : 10.04.04 Self diagnostic : 10.04.05 Other input function : 10.05.00 PROCESSOR (For each application bidder shall attach separate sheet) 10.05.01 Word length :
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10.05.02 Memory cycle time : 10.05.03 General purpose register : 10.05.04 I/O port : 10.05.05 Data transfer : 10.05.06 Communication : 10.05.07 Priority : 10.05.08 Arithmetic : 10.05.09 Power failure : 10.05.10 Restart : 10.05.11 Real time clock : 10.05.12 Watch dog timer : 10.05.13 Redundancy : 10.05.14 Working memory : 10.05.15 Memory expansion : 10.05.16 Type of memory : 10.05.17 Worming memory feature : 10.05.18 Memory production : 10.05.19 Processor features : a) : b) : c) : 10.05.20 Instruction execution : 10.05.21 Interrupt : 10.06.00 BULK MEMORY (HARD DISK - AS APPLICABLE) 10.06.01 Type/Make/Model No. : 10.06.02 Capacity : 10.06.03 Number : 10.06.04 Spare : 10.06.05 Head :
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10.06.06 Accessory : 10.06.07 Interface : 10.06.08 Transfer : 10.06.09 Access time : 10.06.10 Track to track access : 10.06.11 Latency : 10.06.12 Transfer rate : 10.06.13 Protection : 10.06.14 Ambient : 10.06.15 Humidity : 10.06.16 Dimension : 10.06.17 Features : 10.06.18 Enclosure : 10.07.00 SOLID STATE MEMORY 10.07.01 Type : 10.07.02 Capacity : 10.07.03 Spare : 10.07.04 Transfer rate : 10.07.05 Transfer time : 10.07.06 Cycle time : 10.07.07 I/O channel : 10.07.08 Error detection/correction : 10.07.09 Mounting : 10.07.10 Expansion : 10.07.11 Battery back up (indicate hours also) : 10.07.12 Charger unit : 10.07.13 Power consumption : 10.07.14 Environmental : a) Temperature : b) Humidity :
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10.07.15 Features : 10.08.00 CRT 10.08.01 Make : 10.08.02 Model No. : 10.08.03 Type : 10.08.04 Display Size (Screen Diagonal in mm) : 10.08.05 Number of colors : 10.08.06 Number of line/frame : 10.08.07 Number of Character/Line : 10.08.08 Character size, gap between letters/line : 10.08.09 Refresh rate : 10.08.10 Whether screen partitioning scheme supported, provide details (attach a separate sheet
showing scheme of alarm display and normal display interaction : 10.08.11 Whether color graphic display feature supported (attach separate sheet for write-up for all
type of displays) : a) Mimic display : b) No. and details of graphic pictorials : 10.08.12 Whether Paging facility for alarm display supported (attach separate sheet for write-up)
: 10.08.13 If supported, furnish the maximum number of pages supported : 10.08.14 Number of alarm display that can be stored : 10.08.15 Dimensions (LxDxH) : 10.08.16 Maximum wiring distance from CPU : 10.08.17 Power requirement : 10.08.18 Total weight (in kg.) : 10.09.00 KEY BOARD 10.09.01 Type/Make/Model No. : 10.09.02 Key projection : 10.09.03 Material : 10.091.04 Mounting : 10.09.05 Free spacing :
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10.09.06 Communication : 10.09.07 Access : 10.09.08 Cursor control : 10.09.09 Keylock : 10.10.00 SYSTEM CABINET 10.10.01 Type : 10.10.02 Material : 10.10.03 Thickness : 10.10.04 Surfacing : 10.10.05 Colour : a) External (Owner's choice) : b) Internal : 10.10.06 Height : 10.10.07 Enclosure : 10.10.08 Temperature : a) Environmental : b) Internal temperature control : 10.10.09 Door : a) Location : b) Height : 10.10.10 Card mounting : 10.10.11 Cable connection : 10.10.12 Termination type : 10.10.13 Process signal termination practice : 10.10.14 Internal connection : 10.10.15 Internal illumination : 10.10.16 Power supply : 10.10.17 Card replacement : 10.10.18 Wiring : a) Termination block location :
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b) No. of process termination/terminal : c) Insulation grade : d) Designation : e) Termination spare : f) Cable and fitting : g) Internal wiring : h) Isolation : i) Grounding : 10.10.19 Cable and Other Items : a) Insulation grade : b) Cable Standard : c) Maximum temperature of conductor : d) Disconnect plug & receptacle : e) Electronic cards :
Prefabricated cable/special cable/Compensation cable :
10.10.20 Hardware fault detection : 10.10.21 Surge protection : 10.10.22 Standard : 10.10.23 Analog input : 10.10.24 Noise control : 10.10.25 Source : 10.10.26 Removal : 10.10.27 Filter : 10.10.28 Interface : a) Process termination : b) Thermocouple input : 10.11.00 PRINTER 10.11.01 Make : 10.11.02 Model No. : 10.11.03 Type :
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10.11.04 Printer Memory : 10.11.05 Speed :
10.11.06 Resolution : 10.11.07 No. of Colour (Basic) : 10.12.00 INPUT/OUTPUT 10.12.01 No. of Analog inputs/Card : 10.12.02 No. of Digital inputs/Card : 10.12.03 Interrogation Voltage (for digital inputs) : 10.12.04 Processor type : 10.12.05 No. of analog inputs Processed/sec. : 10.12.06 No. of digital inputs Processed/sec. : 10.12.07 % of spare provided for : a) Analog input : b) Digital inputs : 10.12.08 Digital outputs - No. of contact/rating of contact : 10.12.09 Analog output modules - Type, word length : 10.12.10 Confirm, whether the spare input/output hardware is terminated upto the terminal block : 10.12.11 Provide details of noise filtering/elimination, for Analog/Digital. Any other types of inputs : 10.12.12 System input impedance : 10.12.13 System response time : 10.12.14 Short circuit and open circuit detection : 10.12.15 Indication of card failure : 10.12.16 Self diagnostic feature : 10.12.17 Starting of diagnostic routine : 10.12.18 a) Normal mode rejection at 50 Hz of I/O module in db : b) CMRR at 50 Hz of I/O
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module in db : 10.12.19 Any special features : 10.12.20 BOM with details furnished : 10.12.21 Catalogue furnished at : 10.12.22 Analog channel cards with hardwired analog channel splitting : a) Channel/Card : b) No. of Cards 10.12.23 Digital channel card with hardwired channel splitting facilities : a) Channel/Card : b) No. of Cards : 10.13.00 AUXILIARY RELAY 10.13.01 Make : 10.13.02 Model No. : 10.13.03 Type : 10.13.04 Coil Voltage : 10.13.05 Contact Configuration : 10.13.06 Contact rating : 10.13.07 Operating range : 10.13.08 Insulation : 10.13.09 Mechanical life : 10.14.00 COUPLING RELAY 10.14.01 Make : 10.14.02 Model No. : 10.14.03 Type : 10.14.04 Coil Voltage : 10.14.05 Contact Configuration : 10.14.06 Contact rating :
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10.14.07 Operating range : 10.14.08 Insulation : 10.14.09 Mechanical life : 10.14.10 Enclosure : 10.14.11 Connection : 10.14.12 Mounting : 10.15.00 UPS : 10.15.01 Designation : 10.15.02 Manufacturer : 10.15.03 Model No. : 10.15.04 Quantity : 10.15.05 Output Power Capacity : 10.15.06 Nominal Output Voltage : 10.15.07 Overall Efficiency : 10.15.08 Output Efficiency : 10.15.09 Nominal Input Voltage : 10.15.10 Rectifier Type : 10.15.11 Overall Capacity : 10.16.00 BATTERY 10.16.01 Designation : 10.16.02 Manufacturer : 10.16.03 Model No. : 10.16.04 Battery Type : 10.16.05 Output KVA : 10.16.06 Output Power Factor : 10.16.07 Output KW : 10.16.08 Nominal DC Voltage : 10.16.09 Minimum DC Voltage : 10.16.10 State of Charge Factor : 10.16.11 Aging Factor : 10.16.12 TDF : 10.16.13 IDC (Maximum) : 10.16.14 Backup Time : Signature of Tenderer’s authorised representative with office seal: ----------------------------------------------------------- ----------------------------------------------------------- Date : ----------------
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ANNEXURE – IV
PROGRESS SCHEDULE The Tenderer shall indicate the time required for different phases of work in the fashion below, Time shall be mentioned in weeks taking the date of issue of Letter of Intent as datum.
Sl. No.
Description Time in weeks from the the date of issue of Notification of Award of contract or Purchase Order
1. Start submission of drawing / data as specified for approval
:
2. Complete submission of drawings / data as specified for approval
:
3. Start manufacture
:
4. Start issuing purchase orders for bought out itmes
:
5. Complete issuing purchase orders for bought out items
:
6. Complete manufacture
:
7. Start testing at manufacturer’s works
:
8. Complete testing at manufacturer’s work
:
9. Start shipment
:
10. Complete shipment
:
11. Start Erection
:
12. Complete Erection
:
13. Start final check up testing & commissioning
:
14. Complete final check up testing & commissioning
:
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ANNEXURE – V DRAWING SUBMISSION SCHEDULE
Sl.No. Description Time in days from the date of issue of Notification of award of contract or Purchase Order whichever is earlier
1 Schematic flow and instrumentation diagram of the complete system indicating the limits of supply and erection.
2 Cooling load calculation
3 Technical Data Sheet & GA of:
a) Packaged Screw Chiller
b) Cooling Tower
c) Centrifugal Pumps
d) Expansion Tank
e) Make-up Water Tank
f) Air Handling Unit
g) Fan Coil Unit
h) Air-cooled Non Duct able Split Air conditioner
i) Fresh air unit
j) Electrical panel with equipment
k) Electric Motor
4 Equipment layout drawing with foundation / supporting details of: a) Packaged Screw Chiller
b) Cooling Tower
c) Centrifugal Pumps
d) Expansion Tank
e) Make-up Water Tank
f) Air Handling Unit
g) Fan Coil Unit
h) Air-cooled Non Duct able Split Air conditioner
i) Fresh air unit
5 Requirement of make-up water
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6 Ducting layout drawing including the details of duct joints, duct insulation if any, duct supports, diffusers, grilles, dampers etc.
7 Layout drawings showing the route of cables with details of hangers, cable trays, supports etc within the battery limits of vendor
8 Electrical schematic and wiring diagram for DDC Control Panel / Local Starter Panel/ Power Distribution Board/ MCC cum PDB as applicable, Inclusive of protective devices as necessary and essential.
9 MCC cum PDB / PDB/ Local Starter Panel / DDC Control Panel Outline drawings indicating bill of materials and drawing showing construction of Control Panels.
10 Layout drawings showing the route of cables with details of hangers, cable trays, supports etc within the battery limits of vendor
11 Layout drawing showing the route of chilled water piping with details of hangers, supports, insulation etc.
12 Bar chart showing engineering, manufacturing and dispatch of each equipment, material and monthly progress reports
13 Control philosophy for AC System
14 Control Logic Diagram
15 Dimensional drawings of the control panel, power schematic, control schematic and wiring diagram of the panel
16 Speed torque characteristics curves for the drive equipment
17 Details of test procedure for material testing, load testing performance testing to be carried out by the supplier
18 Operation, erection and maintenance manual
19 Test certificates of all bought out items like wire ropes, control equipment brake, limit switch etc.
20 Material test certificates from manufacturer
(NOTE : Use additional sheets, if required)
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(Section VIII)
QUALITY CONTROL REQUIREMENTS
1.00.00 QUALITY ASSURANCE PROGRAMME 1.01.00 To ensure that the equipment and services under the scope of Contract
whether manufactured or performed within the Contractor's works or at his Sub-contractor's premises or at the SPM Site or at any other place or work are in accordance with the specifications, the Contractor shall adopt suitable quality assurance program to control such activities at all points, as necessary. Such programmes shall be detailed by the Contractor and shall require acceptance and approval by the SPM Authorized representative before the award of Contract.
1.02.00 A quality assurance program of the Contractor shall generally cover the following:
a) His organization structure for the management and implementation
of the proposed quality assurance program. b) Qualification data for key personnel. c) Use of suitably qualified and experienced personnel in required
number for each type of work. d) The procedure for quality assurance in design & engineering. e) The methods, procedures and program for presenting, collating and
assessing information from the various sources, and its incorporation in designed submissions.
f) Documentation control system. g) The procedure for purchase of materials, parts, components and
selection of Sub-contractor's services including vendor analysis, source inspection, incoming raw-material inspection, verification of materials purchased etc.
h) The method of protection, storage, stock control and issue of materials at site.
i) System for shop manufacturing and site erection control including process controls and fabrication and assembly controls.
j) Inspection, sampling, testing, and acceptance procedures for plant and materials delivered to site.
k) Control of non-conforming items and system for corrective actions. l) Inspection and test procedure both for manufacture and all site
related works. m) Control of calibration and testing of measuring and testing
equipment. n) System for quality audit and self-monitoring of QA Systems. o) System for indication and appraisal of inspection status. p) System for authorising release of manufactured products to the SPM
. q) System for handling, storage and delivery to site. r) Final inspection and certification of completed sections of work.
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s) Site security procedures. t) The recording and processing of variations to the Works and their
incorporation on record drawings. u) System for maintenance of records. v) Furnishing of quality plans for design & engineering, manufacturing
and field activities detailing out the specific quality control procedure adopted for controlling the quality characteristics relevant to each item of work.
1.03.00 The Quality Assurance arrangements shall include the preparation of and adherence to documented quality plans. After approval by the SPM /DCPL the Quality Assurance arrangements shall form an integral part of the Contract. No changes shall be made without the prior written approval of the SPM / DCPL.
1.04.00 The Bidder shall list his proposed sub-contractors and shall provide the following information in respect of each sub-contractor:
a) The items which the Bidder proposes to sub-contract. b) The basis on which the Bidder has assessed, or proposes to assess,
the quality assurance arrangements of the sub-contractors. c) How sub-contractors' quality plans/procedures will be approved,
monitored and audited on site during the Contract period. d) The results of any recent evaluations and audits of the sub-
contractor which have been performed by the Bidder or other organizations external to the sub-contractor.
The Bidder shall also state the level of detail of the Quality Plan proposed for each sub-contracted item.
The information supplied in response to the above in the Bid shall be deemed a part of the Bidder's proposed Quality Assurance arrangements.
1.05.00 The Contractor shall provide documentation in such a manner that the SPM is thereby enabled to satisfy himself as to the effectiveness with which the Contractor is implementing those provisions of the agreed and accepted Quality Assurance arrangements which relate to the monitoring by the Contractor to sub-tier Quality Assurance arrangements.
1.06.00 Audits of sub-tier Quality Assurance arrangements shall be recorded in such a manner that the relevant documentation constitutes, inter alia, objective evidence of the extent of the audits and of the effectiveness with which they have been conducted. All such documentation relating to any one audit shall be made available to the SPM / DCPL, on request, as a single self-contained document or as one discrete self-contained package of documents.
1.07.00 General Requirements - Quality Assurance 1.07.01 All materials, components, equipment and systems covered under this
specification shall be designed, procured, manufactured, erected, commissioned and tested at all the stages, as per a comprehensive Quality Assurance Program Inspections, and tests at works including shop performance tests and test at site for all equipment and systems shall be as
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per respective codes and standards and also as required in the specification.
1.07.02 Bidder shall furnish a detailed and exhaustive list of all inspections and tests that he or his sub-contractors shall carry out at works and at site for all equipment and systems covered under this specification. The list shall have to be approved by the SPM /DCPL before Award of Contract.
1.07.03 The Quality Plan for design and engineering shall cover the procedure for independent verification, validation and assessment of designs in terms of fitness for purpose, constructability, safety, compliance with standards, maintenance requirements, cost effectiveness etc.
1.08.00 The detailed Quality Plans for manufacturing and field activities (where
applicable) shall be drawn up by the Bidder separately and shall be submitted to SPM for approval. Schedule of finalization of such Quality Plans shall be finalized before award of Contract.
1.08.01 Manufacturing Quality Plan will detail out for all the components and
equipment, various tests/inspections to be carried out as per the requirements of this specification and standards mentioned therein and quality practices and procedures followed by Contractor's Quality Control organization, the relevant reference documents and standards, acceptance norms, inspection documents raised etc., during all stages of materials procurement, manufacture, assembly and final testing/performance testing.
1.08.02 Field Quality Plans will detail out for all the equipment, the quality practices and procedures etc. to be followed by the Contractor's site Quality Control organization, during various stages of site activities from receipt of materials/equipment at site.
1.09.00 The Bidder shall also furnish copies of the reference documents/plant
standards/acceptance norms/tests and inspection procedure etc., as referred in Quality Plans along with Quality Plans. These Quality Plans and reference documents/standards etc. shall be subject to SPM / DCPL approval without which manufacture shall not proceed. These approved documents shall form a part of the Contract. In these approved Quality Plans, SPM /Authorized representative shall identify Customer Hold Points (CHP). A Customer Hold Point signifies a stage in any item of work which requires documented proof of approval based on tests/checks which shall be carried out in presence of the SPM or his authorized representative and beyond which the work shall not proceed without consent of SPM /Authorized representative in writing.
1.10.00 The Contractor shall submit to the SPM / DCPL complete field welding
schedule for all field welding activities for approval. The field welding schedule shall be submitted along with all supporting procedures like welding procedures, heat treatment procedures, NDT procedures etc.
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1.11.00 No material shall be dispatched from the manufacturer's works before the same is accepted subsequent to pre-dispatch final inspection including verification of records of all previous tests/inspections by SPM Authorized representative, and duly authorized for dispatch.
1.11.01 Quality assurance/Inspection group of SPM or its representative would
issue a Material Dispatch Clearance Certificate (MDCC) after the inspection clearance which will enable the Contractor to dispatch the equipment and claim the payment.
1.11.02 Further the Contractor will also be required to ensure at all stages of
shipment that packing of all shipments dispatched are suitable for ocean freight to Mumbai, the port of entry, inland transportation and preservation at site up to erection.
1.12.00 All materials used or supplied shall be accompanied by valid and approved
materials certificates and tests and inspection report. These certificates and reports shall indicate the sheet numbers or other such acceptable identification numbers of the material. The material certified shall also have the identification details stamped on it.
1.13.00 Castings and forgings used for construction shall be of tested quality.
Details of results of chemical analysis, heat treatment record, and mechanical property test results shall be furnished.
1.14.00 All welding and brazing shall be carried out as per procedure drawn and
qualified in accordance with requirements of ASME Section-IX/BS-4870 or other International equivalent standard acceptable to the SPM .
All brazers, welders etc. employed on any part of the contract at
Contractor's/Sub-Contractor's works or at site shall be qualified as per ASME Section-IX or BS-4871 or equivalent international standard approved by the SPM . Such qualification tests shall be conducted in presence of SPM / Authorized representative.
1.15.00 All non-destructive examinations (NDT) shall be carried out in accordance
with approved international standard. The NDT operator shall be qualified as per SNT-TC-IA (of American Society of non- destructive examination). Results of NDT shall be properly recorded and submitted for approval.
1.16.00 All the sub-vendors proposed by the Contractor for procurement of
equipment, material and services and their quality assurance plans shall be subject to SPM approval.
1.16.01 The list of all major sub-contractors would be submitted along with the Bid
and this shall be mutually discussed and agreed to at the time of award of Contract. Regarding the various other minor sub-vendors, the list would be
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submitted within six (6) months of the award of the Contract and shall be mutually discussed and agreed to.
1.16.02 Quality Plans of the successful vendors shall be discussed finalized and approved by the SPM / Authorized representative and form part of the Purchase Order between the Contractor and the Vendor.
1.17.00 All the purchase specifications for the major bought-out items, list of which
shall be drawn up by the Contractor and finalized with the SPM / DCPL shall be furnished to the SPM / DCPL for comments and subsequent approval before orders are placed.
1.18.00 SPM reserves the right to carry out quality audit and quality surveillance of
the systems and procedures of the Contractor's or their sub vendor's quality management and control activities. The Contractor shall provide all necessary assistance to enable the SPM carry out such audit and surveillance.
Quality audit / approval of the results of tests and inspection shall not
prejudice the right of the SPM to reject an equipment not giving the desired performance after erection and shall not in any way limit the liabilities and responsibilities of the Contractor in earning satisfactory performance of equipment as per specification.
1.19.00 Quality requirements for main equipment shall equally apply for spares and
replacement items. 1.20.00 Repair / rectification procedures to be adopted to make any job acceptable
shall be subject to the approval of the SPM / DCPL. 1.21.00 Quality Assurance Document 1.21.01 The Contractor shall be required to submit two (2) copies and two (2) sets
of electronic files of the following Quality Assurance documents within three (3) weeks after dispatch of the equipment:
a) Material mill test reports on components as specified by the specification.
b) The inspection plan with verification, inspection plan check points, verification sketches, if used and methods used to verify that the inspection and testing points in the inspection plan were performed satisfactorily.
c) Non-destructive examination results / reports including radiography interpretation reports.
d) Factory tests results for testing required as per applicable codes and standards referred in the specification.
e) Welder identification list listing welder's and welding operator's qualification procedure and welding identification symbols.
f) Sketches and drawings used for indicating the method of traceability of the radiographs to the location on the equipment.
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g) Stress relief time temperature charts. h) Inspection and test reports duly signed by QA personnel of the SPM
/ DCPL and Contractor for the agreed customer hold points. During the course of inspection, the following will also be recorded:
i) When some important repair work is involved to make the job acceptable.
ii) The repair work remains part of the accepted product quality. iii) Letter of conformity certifying that the requirement is in
compliance with finalized specification requirements. 1.22.00 Inspection, Testing and Inspection Certificates 1.22.01 The Engineer, his duly authorized representative and/or an outside
inspection agency acting on behalf of the SPM shall have access at all reasonable times to inspect and examine the materials and workmanship of the works during its manufacture or erection and if part of the works is being manufactured or assembled on other premises or works, the Contractor shall obtain for the Engineer and for his duly authorized representative permission to inspect as if the works were manufactured or assembled on the Contractor's own premises or works.
. 1.22.02 The Contractor shall give to SPM fifteen (15) days written notice of any
material being ready for testing. Such tests shall be to the Contractor's account. The SPM will attend such tests within fifteen (15) days of the date on which the equipment is notified as being ready for test/inspection failing which the Contractor may proceed with test which shall be deemed to have been made in the SPM presence and shall forthwith forward to the SPM duly certified copies of test reports in six (6) copies.
1.22.03 The SPM shall within fifteen (15) days from the date of Inspection as defined herein give notice in writing to the Contractor, or any objection to any drawings and all or any equipment and workmanship which is in his opinion are not in accordance with the Contract. The Contractor shall give due consideration to such objections and shall either make modifications that may be necessary to meet the said objections or shall confirm in writing to the SPM giving reasons therein, that no modifications are necessary to comply with the contract.
1.22.04 In all cases where the contract provides for tests whether at the premises or works of the Contractor or any sub-contractor, the Contractor, except where otherwise specified shall provide free of charge such items as labour, materials, electricity, fuel, water, stores, apparatus and instruments as may be reasonably demanded by the SPM to carry out effectively such tests on the equipment in accordance with the Contractor and shall give facilities to the SPM or to his authorized representative to accomplish testing.
1.22.05 The Contractor shall furnish quarterly inspection programme indicating schedule dates of inspection at customer hold points and final inspection stages. Updated quarterly inspection plans will be made for each three consecutive months and shall be furnished before beginning of each calendar month.
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1.23.00 Archiving
In addition to the requisite number of hard copies as specified, four (4) copies of all quality assurance documents, final inspection and test certificates etc. shall be made available to the SPM in Compact Disks before handing over of the plant.
1.24.00 The testing and inspection shall be carried out as per IS:3177 with latest
amendments and those should also meet the requirements of the factories act. Final load testing shall be carried out at the SPM premises by the Vendor.
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(Section IX)
QUALIFICATION / ELIGIBILITY CRITERIA
1. Bidder firm should have manufactured, supplied, installed and commissioned similar Air
Conditioning Plants with minimum cumulative capacity of 280 TR in which one unit should have at least 140 TR capacity during last five (5) years ending March 31st, 2012.
2. Bidder must have an annual capacity to manufacture and supply at least Two (2) nos. of air conditioning plant of 140 TR capacity.
3. The average annual turn-over of the Bidder during the last three (3) years, ending March 31st, 2012 should be at least 1.09 Crores.
4. The Bidder firm should not have suffered any financial loss for more than one (1) year
during the last three (3) years ending March 31st, 2012.
5. The net worth of the Bidder firm should not have eroded by more than 30% in the last three (3) years ending March 31st, 2012.
6. Either the Indian agent on behalf of the principal/OEM or principal/OEM itself can bid both cannot bid simultaneously for the same item/product in the same tender.
7. If an agent submits bid on behalf of the principal/OEM, the same agent shall not submit a bid on behalf of another principal/OEM for the same item/product.
NOTE: 1. All experience, past performance and capacity/capability related data should be certified by the
authorized signatory of the Bidder firm. The credentials regarding experience and past performance to the extent required as per the above eligibility criteria as submitted by the Bidder may be verified from the parties for whom work has been done.
2. All financial standing data should be certified by certified accountants’ e.g. Chartered Accountants
(CA) in India and Certified Public Accountant/ Chartered Accountant of other countries.
3. MOST IMPORTANT NOTE:
BIDDER TO FURNISH STIPULATED DOCUMENTS IN SUPPORT OF FULFILLMENT OF QUALIFYING CRITERIA. NON-SUBMISSION OR INCOMPLETE SUBMISSION OF DOCUMENTS MAY LEAD TO REJECTION OF OFFER.
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(Section X)
TENDER FORM Date……….
To ………………………………. ………………………………. ………………………………. (Complete address of SPM) Ref: Your Tender document No. …………………………dated ………… We, the undersigned have examined the above mentioned tender enquiry document, including amendment No. --------, dated --------- (if any), the receipt of which is hereby confirmed. We now offer to supply and deliver………. (Description of goods and services) in conformity with your above referred document for the sum of (total tender amount in figures and words), as shown in the price schedule(s), attached herewith and made part of this tender. If our tender is accepted, we undertake to supply the goods and perform the services as mentioned above, in accordance with the delivery schedule specified in the List of Requirements. We further confirm that, if our tender is accepted, we shall provide you with a performance security of required amount in an acceptable form in terms of GCT clause 6, read with modification, if any, in Section V – “Special Conditions of Contract”, for due performance of the contract. We agree to keep our tender valid for acceptance for a period up to -------, as required in the GIT clause 19, read with modification, if any in Section-III – “Special Instructions to Tenderers” or for subsequently extended period, if any, agreed to by us. We also accordingly confirm to abide by this tender up to the aforesaid period and this tender may be accepted any time before the expiry of the aforesaid period. We further confirm that, until a formal contract is executed, this tender read with your written acceptance thereof within the aforesaid period shall constitute a binding contract between us. We further understand that you are not bound to accept the lowest or any tender you may receive against your above-referred tender enquiry ………………………………… Dated this …………… day of ………………………………..
For and on behalf of
(With seal) Signature
Name In the capacity of
(DULY AUTHORISED TO SIGN THE BID)
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(Section XI)
PRICE SCHEDULE
Name of Bidder : Offer No. & Date : Plant/ Item : SPM’s Enquiry Ref. :…………………
Sl. No.
Description Amount Rs.
A. PLANT & EQUIPMENT 1. (a) (b) (c) (d)
Quoted Price (FOR Hoshangabad) One set of Air Conditioning System with complete Mechanical, Electrical, Electronics & Instrumentation system as per complete scope of supply on turnkey basis mentioned in Section - VI of the Tender document & specified in Section - VII. Packing & Forwarding charges Freight charges(Including Unloading) Taxes and other charges as applicable(if any)
Total Price of Equipment/ System (1a+1b+1c+1d)
Total Amount (in Words): ………………………………………………………….. B. SERVICES a. b.
Complete Erection, Testing, Start up & Commissioning, fulfillment of guaranteed performance obligation including training of SPM operation and maintenance staff Taxes as applicable (if any)
Total Price of Services (a+b)
Total amount (in Words): ………………………………………………………….. GRAND TOTAL (A+B) = Rs. In Words: Rupees -------------------------------------------------------------------------------------------------
Note:- The method of evaluation of L1 criteria for awarding the Contract shall be on consolidated offer by the bidder and will be decided taking into consideration of total offered price including (A+B) as above.
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(Section XII) QUESTIONAIRE
The tenderer should furnish specific answers to all the questions / issues mentioned below. In case a question / issue do not apply to a tenderer, the same should be answered with the remark “not applicable”. Wherever necessary and applicable, the tenderer shall enclose certified copy as documentary proof/ evidence to substantiate the corresponding statement. In case a tenderer furnishes a wrong or evasive answer against any of the under mentioned question/ issues, its tender will be liable to be ignored. 1. Brief description of Work and services offered: 2. Offer is valid for acceptance up to ……………………………………………. 3. Your permanent Income Tax A/C No. as allotted by the Income Tax Authority of
Government of India : Please attach certified copy of your latest /current Income Tax clearance certificate issued by the above authority.
4. Status :
a) Are you currently registered with the Directorate General of Supplies & Disposals (DGS&D), New Delhi, and/or the National Small Industries Corporation (NSIC), New Delhi, and/or the present SPMICL and/or the Directorate of Industries of the concerned State Government for the goods quoted? If so, indicate the date up to which you are registered and whether there is any monetary limit imposed on your registration.
b) Are you currently registered under the Indian Companies Act, 1956 or ant other similar Act?
Please attach certified copy(s) of your registration status etc. in case your answer(s) to above queries is in affirmative.
5. Please indicate name & full address of your Banker(s) : 6. Please state whether business dealings with you currently stand suspended/ banned by
any Ministry/ Deptt. of Government of India or by any State Govt. ………………………. (Signature with date) ………………………. ………………………. (Full name, designation & address of the person duly authorized sign on behalf of the tenderer) For and on behalf of ………………………….. ………………………….. (Name, address and stamp of the tendering firm)
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(Section XIII)
BANK GUARANTEE FORM FOR EMD
Not applicable
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(Section XIV)
MANUFACTURER’S AUTHORIZATION FORM To ………………………… ………………………… (Name and address of SPM) Dear Sirs, Ref. Your Tender document No. …………………………………………… dated …………………
We, ………………………………………………………………. Who are proven and reputable
manufacturers of ……………………………………… (name and description of goods offered in
the tender) having factories at ………………………………………. hereby authorize Messrs.
…………………………………………(name and address of the agent) to submit a tender,
process the same further and enter in to a contract with you against your requirement as
contained in the above referred tender enquiry documents for the above goods manufactured
by us.
We further confirm that no supplier or firm or individual other than Messrs.
………………........(name and address of the above agent) is authorized to submit a tender,
process the same further and enter into a contract with you against your requirement as
contained in the above referred tender enquiry documents for the above goods manufactured
by us.
We also hereby extend our full warranty, as applicable as per clause of the General Conditions
of Contract read with modification, if any, in the Special Conditions of Contract for the goods
and services offered for supply by the above firm against this tender document.
Yours faithfully,
………………………………….
(Signature with date, name and designation)
For and on behalf of Messrs. ………………………………………….
(name and address of the manufacturers)
Note : This letter of authorization should be on the letter head of the manufacturing firm and
should be signed by a person competent and having the power of attorney to legally bind the
manufacturer.
Page 164 of 170
(Section XV)
BANK GUARANTEE FORM FOR PERFORMANCE SECURITY __________________[insert: Bank’s Name, and Address of Issuing Branch or Office] Beneficiary: _________________[insert: Name and Address of SPM] Date: _________ PERFORMANCE GUARANTEE No.: ___________________ WHEREAS……………………………………………………………………………………. (name and address of the supplier) (hereinafter called “the supplier”) has undertaken, in pursuance of contract no…………………………. dated …………. to supply (description of goods and services) (herein after called “the contract”). AND WHEREAS it has been stipulated by you in the said contract that the supplier shall furnish you with a bank guarantee by a scheduled commercial bank recognized by you for the sum specified therein as security for compliance with its obligations in accordance with the contract; AND WHEREAS we have agreed to give the supplier such a bank guarantee; NOW THEREFORE we hereby affirm that we are guarantors and responsible to you, on behalf of the supplier, up to a total of ……………… …… ……… …… …………………. (amount of the guarantee in words and figures), and we undertake to pay you, upon your first written demand declaring the supplier to be in default under the contract and without cavil or argument, any sum or sums within the limits of (amount of guarantee) as aforesaid, without your needing to prove or to show grounds or reasons for your demand or the sum specified therein. We hereby waive the necessity of your demanding the said debt from the supplier before presenting us with the demand. We further agree that no change or addition to or other modification of the terms of the contract to be performed there under or of any of the contract documents which may be made between you and the supplier shall in any way release us from any liability under this guarantee and we hereby waive notice of any such change, addition or modification. We undertake to pay SPM up to the above amount upon receipt of its first written demand, without SPM having to substantiate its demand. This guarantee will remain in force for a period of forty five days after the currency of this contract and any demand in respect thereof should reach the Bank not later than the above date. ……………………………. (Signature of the authorized officer of the Bank) ………………………………………………………. …………………………………………………………. Name and designation of the officer …………………………………………………………. Seal, name & address of the Bank and address of the Branch …………………………………………………………. Name and designation of the officer …………………………………………………………. ….………………………………………………………. Seal, name & address of the Bank and address of the Branch
Page 165 of 170
(Section XVI)
CONTRACT FORM
(Address of SPM’s office issuing the contract)
Contract No…………. dated……………. This is in continuation to this office’ Notification of Award No……………..….dated …………. 1. Name & address of the Supplier: …………………………………….. 2. SPM’s Tender document No…………………… dated…………. and subsequent
Amendment No.…………., dated……… (If any), issued by SPM 3. Supplier’s Tender No……………………………… dated……………….. and subsequent
communication(s) No………… dated …….. (If any), exchanged between the supplier and SPM in connection with this tender.
4. In addition to this Contract Form, the following documents etc, which are included in the
documents mentioned under paragraphs 2 and 3 above, shall also be deemed to form and be read and construed as part of this contract:
i) General Conditions of Contract; ii) Special Conditions of Contract; iii) List of Requirements; iv) Technical Specifications; v) Quality Control Requirements; vi) Tender Form furnished by the supplier; vii) Price Schedule(s) furnished by the supplier in its tender; viii) Manufacturers’ Authorization Form (if applicable for this tender); ix) SPM’s Notification of Award
Note : The words and expressions used in this contract shall have the same meanings as
are respectively assigned to them in the conditions of contract referred to above. Further, the definitions and abbreviations incorporated under Section –V - ‘General Conditions of Contract’ of SPM’s Tender document shall also apply to this contract.
5. Some terms, conditions, stipulations etc. out of the above-referred documents are
reproduced below for ready reference: i) Brief particulars of the goods and services which shall be supplied/ provided by the
supplier are as under:
Page 166 of 170
Schedule No.
Brief description of goods/ services
Accountingunit
Quantity to be supplied
Unit Price (in `)
Total price
Any other additional services (if applicable) and cost thereof: ……………………….. Total value (in figure) ___________(In words) ____________________________ (ii) Delivery schedule (iii) Details of Performance Security (iv) Quality Control
(a) Mode(s), stage(s) and place(s) of conducting inspections and tests. (b) Designation and address of SPM’s inspecting officer
(v) Destination and despatch instructions (vi) Consignee, including port consignee, if any (vii) Warranty clause (viii) Payment terms (ix) Paying authority ………………………………. (Signature, name and address of SPM’s authorized official) For and on behalf of…………………… Received and accepted this contract …………………………………………………………………… (Signature, name and address of the supplier’s executive duly authorized to sign on behalf of the supplier) For and on behalf of ………………….……………………… (Name and address of the supplier) ……………………. ………………………. (Seal of the supplier) Date: Place:
Page 167 of 170
(Section XVII)
LETTER OF AUTHORITY FOR ATTENDING A BID OPENING
(Refer to clause 24.2 of GIT) The General Manager Security Paper Mill Hoshangabad M.P – 461 005 Subject: Authorization for attending bid opening on ___(date) in the Tender of ___________________________________________ __________________. Following persons are hereby authorized to attend the bid opening for the tender mentioned above on behalf of ___________________________ (Bidder) in order of preference given below.
Order of Preference Name Specimen Signatures
I.
II.
Alternate Representative
Signatures of bidder or Officer authorized to sign the bid Documents on behalf of thebidder.
Note: 1. Maximum of two representatives will be permitted to attend bid opening. In cases where it
is restricted to one, first preference will be allowed. Alternate representative will be permitted when regular representatives are not able to attend.
2. Permission for entry to the hall where bids are opened may be refused in case authorization as prescribed above is not produced.
Page 168 of 170
(Section XVIII)
SHIPPING ARRANGEMENTS FOR LINER CARGOES
Not applicable
Page 169 of 170
(Section XIX)
PROFORMA OF BILLS FOR PAYMENTS
(Refer Clause 22.6 of GCC)
Name and Address of the Firm..................................................................................... Bill No............................................................... Dated................................................. Purchase order No……………......................... Dated................................................ Name and address of the consignee ........................................................................... S.No. Authority for
purchase Description of Stores
Number or quantity
Rate `
Price per `
Amount `
Total
1. C.S.T./Sales Tax Amount 2. Freight (if applicable) 3. Excise Duty (if applicable) 4. Packing and Forwarding charges (if applicable) 5. Others (Please specify) 6. PVC Amount (with calculation sheet enclosed) 7. (-) deduction/Discount 8. Net amount payable (Rupees in Words) Despatch detail: RR No. /other proof of despatch.......................... Dated.......................... (enclosed) Inspection Certificate No..................................... Dated........................... (enclosed) Modvat Certificate No ................................................................................. (enclosed) Excise Duty Gate pass……......................................................................... (enclosed) Received `............................. (Rupees in Words)......................................................... I hereby certify that the payment being claimed is strictly in terms of the contract and all the obligations on the part of the supplier for claiming that payment has been fulfilled as required under the contract. Revenue stamp Signature and of Stamp Supplier
Page 170 of 170
(Section XX)
DRAWINGS
Sl.No. Drawing No. Title
1. 11P01-DWG-VA-851-060.03, Rev.0 Typical Schematic Diagram of water cooled packaged screw chiller
2. 11P01-DWG-VA-851-060.04, Rev.0 Typical Schematic Diagram of non duct able split air conditioner
3. 11P01-DWG-VA-851-060.05, Rev.0 Single line diagram of chilled water type air conditioning system
4. 11P01-DWG-VA-851-070.04,Rev.0 AC System Layout Plan at EL+0.0M & EL+6.0M
5. 11P01-DWG-VA-851-070.05,Rev.0 AC System Layout Plan at EL+10.0M & EL+15.0M
Tables
Table-I Bill of Quantities For Air Conditioning System
Furnished under
Section-VI Table-II List of Preferred Make - Air Conditioning System
Enclosed separately
TABLE-II
LIST OF PREFERRED MAKE / OR EQUIVALENT REPUTED MAKE
AIR CONDITIONING SYSTEM
A. LIST OF PREFERRED MAKE FOR MECHANICAL ITEMS / OR
EQUIVALENT REPUTED MAKE SL.NO. Item PREFFERED MAKE /OR EQUIVALENT
REPUTED MAKE
1 Water Cooled Screw Chiller Package
BLUE STAR,VOLTAS, BLUE BOX, HITACHI, CLIMAVENETA, CARRIER, ETA
2 Axial flow fan (Fresh air fan)
ALSTHOM, FLAKTWOOD, SK SYSTEMS, C.DOCTOR, NADI, PAT, SIWL, KRUGGER, NICOTRA
3 Centrifugal fan (Fresh air fan)
FLAKTWOOD, SK SYSTEMS, C.DOCTOR, NADI, PAT, SIWL, KRUGGER, NICOTRA
4 Air Handling Unit/FCU BLUE STAR, VOLTAS, SAVIER, ETA, EDGETECH, ETHOS, CITIZEN, MIDEA
5 Thermal Insulation PARAMOUNT, SUPREME, ARMACELL
6 Air filters FMI, CFI, SPECTRUM, PYRAMID, KLENZAID
7 AHU Fan CRUGGER, NICOTRA, FLAKT WOOD, COMEFRI
8 Acoustic Insulation LLOYDS, TWIGA , or equivalent
9 Centrifugal pump BEACON, GRUNDFOSS, KSB, KIRLOSKAR, MATTHER & PLATT
10 GI pipe TATA, JINDAL, BST
11 MS pipe TATA, JINDAL SAIL
12 Globe Valves LEADER, CRAWLY & ROY, BANKIM, KIRLOSKAR, SANT, AUDCO
13 Butterfly Valves AUDCO, INTERVALVE, CRAWLY & ROY, UNIVAS
14 Balancing Valves OVENTROP, ADVANCE, ARROW, ANERGY
15 Check Valves AUDCO, INTERVALVE, CRAWLY & ROY, UNIVAS
16 Gate Valves LEADER, CRAWLY & ROY, BANKIM, KIRLOSKAR, SANT, AUDCO, UNIVAS, DEVINE
17 Pot strainer H SIRKAR, BANKIM, BDK, DS ENGINEERING, EMERALD
18 Temperature/ Pressure gauges
H GURU, ANERGY, A N INSTRUMENT, FORBES MARSHALL, WIKA, FIEBIG
19 GI sheet SAIL, JINDAL, TATA, BHUSAN
20 Flow Switches HONEYWELL, JOHNSON, SIEMENS, GEORGE FISCHER, EMERSION
21 Supply air grille RAVISTAR, CARRYAIRE, DYNACRAFT, AIR MASTER
22 Volume control damper RAVISTAR, CARRYAIRE, DYNACRAFT, AIR MASTER
SL.NO. Item PREFFERED MAKE /OR EQUIVALENT REPUTED MAKE
23 Fire Damper TSC, BELLIMO, CARYAIRE, AIR MASTER
24 Room humidistat ANERGY, DANFOSS, HONEYWELL
25 Control Valve BELIMO, DANFOSS, OVENTROP, ANERGY, JOHNSON CONTROL, HONEYWELL
26 Cooling Tower PAHARPUR, ADVANCE, MIHIR
27 Non Chemical Water Treatment Equipment SCALE BAN (CASE) ,Dolphin , ECOsmarte
28 Split Air Conditioners BLUE STAR, VOLTAS, CARRIER, DAIKIN, HITACHI, BATLIBOI, MITSUBISHI,LG,GODREJ, Samsung
B. LIST OF PREFERRED MAKES OF ELECTRICAL ITEMS / OR EQUIVALENT REPUTED MAKE
SL.NO. Item PREFFERED MAKE /OR EQUIVALENT REPUTED MAKE
1 MOTORS ABB, SIEMENS, CGL, 2 ELECTRICAL PANELS CPRI APPROVED & ISO-9001
MANUFACTURER, AC POWER SYSTEM ,EAP 3 COMPONENTS OF
ELECTRICAL PANELS L&T, GE, SIEMENS, SCHNEIDER, CONTROLS & SWITCHGEAR
4 AMMETER AE, IMP, MECO, L&T 5 VOLTMETER AE, IMP, MECO, L&T 6 SELECTOR SWITCH KAYCEE, L&T, GE CONTROL, SIEMENS 7 L.T. TERMINAL BLOCK ELMEX, ESSEN, ACDC, CONNECTWELL 8 CABLE GLAND/LUG ETC. DOWELL, RATAN, COMET, SUNIL & CO. 9 CABLES HAVELLS, FINOLEX, POLYCAB,
RAJANIGANDHA, DELTON , GEMSCAB
C. LIST OF PREFERRED MAKE / OR EQUIVALENT REPUTED MAKE FOR INSTRUMENTATION & CONTROLS
Sl. No.
Item PREFFERED MAKE / OR EQUIVALENT REPUTED MAKE
1. DDC System ABB, Honeywell, Invensys, Johnson Controls, Alerton, Control System Intl., Schneider, Siemens
2. Pressure Gauges GIC, Pyroelectric, Wika, AN Instruments, Dresser, Dwyer, H.Guru
3. Temperature Gauges GIC, Pyroelectric, Wika, Dresser, Waaree, H.Guru, AN Instruments
4. Pressure Switches Switzer, Indfoss, SOR, DELTA, Waaree, Dwyer
5. Level Switches (Float, Displacer Type)
Magnetrol, Levcon, Chemtrols, E&H, Masonelin, SOR
6 Liquid level gauges Levcon Instruments/ Chemtrols / Forbes
Sl. No.
Item PREFFERED MAKE / OR EQUIVALENT REPUTED MAKE Marshall (Krohne) / Pune Techtrol Pvt. Ltd./ Nivo Controls Pvt Ltd / Klinger/ Kobold
7. Thermocouples / RTDs Detriv, Pyroelectric, Tempsen, GIC, E&H, Toshniwal Insts.
8. Transmitters Rosemount, Yokogawa, Fuji, ABB, Honeywell, E&H, Foxboro
9. Level Transmitters (Displacer Type) Fisher, Magnetrol, E&H, Masonelin, Honeywell, Dresser, Chemtrols, Eckardt
10. Level Transmitters (Ultrasonic, Radar type)
E&H, Emerson, Forbes Marshall, Honeywell, Magnetrol
11. Mass flow meter (Coriolis Principle) Emerson, E&H, Yokogawa, ABB, Honeywell 12. Flow meter Turbine type / vortex
type / Positive Displacement type Rockwin Flowmeter / Hartmann Braun / Emerson / Bopp & Reuther / Forbes Marshall (Krohne) / KOBOLD / Oval Corporation
13. Electronic Indicators / Controllers / Microprocessor Based Recorders / Receiver Indicator
Honeywell, ABB, Yokogawa, Fuji, Laxsons, Camille Bauer
14. Control Valves Fisher, CCI, Sulzer, Dresser, Copes, Masoneilin, Tyco, Flow serve, BTG, ABB, Honeywell, Johnson Control, Siemens
15. I/P Converters Moore Controls, Emerson, H&B, ABB, Forbes Marshall, Flow serve, Dwyer
16. Flow Elements Microprecision, Emerson, GIC, Engineering Specialties
17. Solenoid Valves Herion, Asco, Rotex, SMC pneumatic, Schvader
18. Instrument Cables Delton / Cords Cables / Universal Cable Ltd. / Lapp Kable / Toshniwal / Reliance Cables
19. Uninterruptible Power Supply Hi-Rel, Emerson, Fuji, Gutur, DB Power 20. Battery for UPS Amar Raja, HBL NIFE, EXIDE 21. Control Panels / desk Rittal, Pyrotech 22. Transducers Siemens, ABB, Meco, Automatic Electric,
Honeywell, GE Sensing Ltd. 23. Electrical Panel Meter (Ammeter,
Voltmeter) Automatic Electric, Meco, ABB
24. Selector Switches & Control Switches Kaycee, Siemens, Alstom, L&T, Schneider, ABB, GE
25. Terminal Blocks Phoenix, WAGO, Elmex 26. Erection Hardware, Impulse and
Piping, fittings Microprecision, Wesmec Engg. MetPress, SMC Pneumatic, Hoke, Swagelok
27. Cable Glands Comet Brass Product / Baliga Lighting Co. / Indmark Associate
28. Cable Trays Premier Power Product / Indmark Associate / Chemin
29. Actuators: Electrically operated Auma / Limitorque / Rotork / Honeywell / Johnson Controls / Siemens
30. Actuators: Pneumatic operated ABB / Fishner-rosemount / COBEL 31. PC HP/Siemens/IBM / DELL/Compaq