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GAIL GAS LIMITED (A Wholly Owned Subsidiary of GAIL (India) Limited CNG & CITY GAS DISTRIBUTION PROJECT IN TAJ TRAPEZIUM ZONE (TTZ) BID DOCUMENT FOR CNG DISPENSERS FOR CNG FILLING STATIONS UNDER INTERNATIONAL COMPETITIVE BIDDING Bid Document No.: 05/51/23N0/GGL/033 VOLUME – II OF II PREPARED AND ISSUED BY (A Govt. of India Undertaking) MECON LIMITED Delhi, India

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Page 1: Draft vol. ii

GAIL GAS LIMITED (A Wholly Owned Subsidiary of GAIL (India) Limited

CNG & CITY GAS DISTRIBUTION PROJECT IN TAJ TRAPEZIUM ZONE (TTZ)

BID DOCUMENT

FOR

CNG DISPENSERS FOR CNG FILLING STATIONS

UNDER INTERNATIONAL COMPETITIVE BIDDING

Bid Document No.: 05/51/23N0/GGL/033

VOLUME – II OF II

PREPARED AND ISSUED BY

(A Govt. of India Undertaking)

MECON LIMITED Delhi, India

Page 2: Draft vol. ii

VOLUME-II

C O N T E N T

Sl.No. Description SECTION – 10 (a) MATERIAL REQUISITION (MR NO. MEC/05/E5/23N0/GGL/033) (b) MR SPECIFICATION FOR CNG DISPENSERS

(c) TECHNICAL SPECIFICATION FOR CNG DISPENSERS (d) QAP (e) ANNUAL MAINTENANCE CONTRACT FOR CNG DISPENSERS

Page 3: Draft vol. ii

SECTION – 10

(a) MATERIAL REQUISITION (MR NO. MEC/05/E5/23N0/GGL/033)

(b) MR SPECIFICATION FOR CNG DISPENSERS (c) TECHNICAL SPECIFICATION FOR CNG

DISPENSERS (d) QAP (e) ANNUAL MAINTENANCE CONTRACT FOR CNG

DISPENSERS

Page 4: Draft vol. ii

SECTION – 10

(a) MATERIAL REQUISITION (MR NO. MEC/05/E5/23N0/GGL/033)

(b) MR SPECIFICATION FOR CNG DISPENSERS (c) TECHNICAL SPECIFICATION FOR CNG

DISPENSERS (d) QAP (e) ANNUAL MAINTENANCE CONTRACT FOR CNG DISPENSERS

GAIL GAS LTD

PROJECT: CNG & CITY GAS DISTRIBUTION FOR TAJ TRAPEZIUM ZONE (TTZ)

CNG DISPENSERS FOR CNG FILLING STATION

MECON LIMITED

Page 5: Draft vol. ii

GAIL GAS LIMITED (A Wholly Owned Subsidiary of GAIL (India) Limited

CNG & CITY GAS DISTRIBUTION PROJECT

IN TAJ TRAPEZIUM ZONE (TTZ)

CNG DISPENSERS FOR CNG FILLING STATIONS

MATERIAL REQUISITION

MR No.: MEC/05/E5/23N0/GGL/033

Tender No. 05/51/23N0/GGL/033

PREPARED AND ISSUED BY

MECON LIMITED

DELHI – 110 092 August 2014

Page 6: Draft vol. ii

GAIL GAS LTD

PROJECT: CNG & CITY GAS DISTRIBUTION FOR TAJ TRAPEZIUM ZONE

(TTZ)

CNG DISPENSERS FOR CNG FILLING STATION

MECON LIMITED

0 08.08.2014 PROJECT: CNG & CITY GAS DISTRIBUTION FOR TAJ TRAPEZIUM

ZONE (TTZ) Page 2 of 3

Rev Date By Chkd Appd

PROJECT : CNG & CITY GAS DISTRIBUTION FOR TAJ TRAPEZIUM ZONE (TTZ) ITEM : CNG DISPENSERS (Car, Bus) FOR CNG FILLING STATION MR NO. : MEC/05/E5/23N0/GGL/033

CLIENT : M/s GAIL GAS LIMITED (GGL)

Item. No.

DESCRIPTION UNIT QTY

Design, detail engineering, manufacturing, assembly, factory testing, supply of dispenser including packaging, insurance, handling transportation of Dispenser, loading and unloading at sites, documentation etc. and providing all related services including installation, integration, site acceptance testing, trial run and commissioning, Maintenance (AMC), commissioning spares, all drawings , documents and licensed software & hardware, converters, cables etc. Complete in all respect for GAIL GAS LTD - TTZ project on Annual Rate Contract (ARC) basis conforming to MR Specification No. MEC/05/E5/23N0/GGL/S-033 Rev 0, Technical Specification for CNG Dispenser: TS No. MEC/TS/05/E5/CNG/033 Rev 4 and AMC Doc. No. MEC/05/E5/CNG/AMC - 033 Rev 2 enclosed with tender. . The rate of ARC shall be valid for 02 (two) year period from the date of placement of order and shall be delivered as per PO on written intimation. Dispensers may be required to be delivered and installed at Kosikala (Uttar Pradesh), Meerut (Uttar Pradesh), Sonepat (Haryana), Dewas (Madhya Pradesh), Kota (Rajasthan) and Bharatpur (Rajasthan). Location of delivery & installation shall be confirmed in written intimation(s).

(A) SUPPLY OF DISPENSERS

A1.1 CAR DISPENSER

Design, Engineering, Manufacturing, and Supply of CNG Car Dispensers as per scope of work defined in the Tender Documents inclusive of erection & commissioning spares. (The list has to be furnished with the offer)

Nos. 18

A1.2 BUS DISPENSER

Design, Engineering, Manufacturing, and Supply of CNG Bus Dispensers as per scope of work defined in the Tender Documents inclusive of erection & commissioning spares. (The list has to be furnished with the offer)

Nos. 09

B Calibration Unit (Note 4)

Page 7: Draft vol. ii

GAIL GAS LTD

PROJECT: CNG & CITY GAS DISTRIBUTION FOR TAJ TRAPEZIUM ZONE

(TTZ)

CNG DISPENSERS FOR CNG FILLING STATION

MECON LIMITED

0 08.08.2014 PROJECT: CNG & CITY GAS DISTRIBUTION FOR TAJ TRAPEZIUM

ZONE (TTZ) Page 3 of 3

Rev Date By Chkd Appd

Item. No.

DESCRIPTION UNIT QTY

B1.1

Calibration Unit for Car Dispensers in the form of Master Meter (Master Mass Flow Meter) complete with Hose, Nozzle, and Fittings and vent valve mounted on a suitable frame/trolley meeting international standards. Master Calibration Unit Should be selected such that same meter can be used as standard meter for both bus and car dispensers if required. The Calibrator Master Meter for Car Dispenser should be Calibrated & Certified by statutory authorities’ certified Custody transfer meter of the Country of Origin.

Sets 01

B1.2

Calibration Unit for Bus Dispensers in the form of Master Meter (Master Mass Flow Meter) complete with Hose, Nozzle, and Fittings and vent valve mounted on a suitable frame/trolley meeting international standards. Master Calibration Unit Should be selected such that same meter can be used as standard meter for both bus and car dispensers if required. The Calibrator Master Meter for Car Dispenser should be Calibrated & Certified by statutory authorities’ certified Custody transfer meter of the Country of Origin.

Sets 01

(C) SITE ACTIVITY:

C1.1 On site Training of each Purchaser’s Personnel for Max. 4 (Four) days for Car & Bus dispenser.

Lumpsum 1

C1.2 Erection, Testing, commissioning & calibration, Performance test of each Dispenser as define in the tender. Nos. 27

C 1.3

Lump-sum Annual Maintenance (Non comprehensive) charges of each dispenser during warranty period (one year) inclusive of supply of all Consumable & Manpower and all spares covered under warranty as defined in the AMC spec. Doc. No. MEC/05/E5/CNG/AMC-033 Rev 2 (refer clause no. 9.1 also) of tender.

Nos. 27

Note:

1. Bidder must quote for all items including sub items of price schedule (SOR) and to be delivered as per Time schedule / completion schedule enclosed with bid. The rate of ARC shall be valid for 02 (two) year period from the date of placement of order and shall be delivered as per PO on written intimation.

2. Evaluation will be done Package wise for i.e. evaluation for Dispensers shall be done combinedly and order will be placed on the lowest acceptable bidder(s) on least cost basis to Client.

3. Inspection shall be carried out by Owner / Consultant at works.

4. Evaluation of Calibration unit will be done along with combinedly with dispensers however procurements of Calibration Unit shall be decided by client during order placements.

Page 8: Draft vol. ii

GAIL GAS LIMITED (A Wholly Owned Subsidiary of GAIL (India) Limited

CNG & CITY GAS DISTRIBUTION PROJECT

IN TAJ TRAPEZIUM ZONE (TTZ)

CNG DISPENSERS FOR CNG FILLING STATIONS

MATERIAL REQUISITION SPECIFICATION

SPEC. No. : MEC/05/E5/23N0/GGL/S – 033

PREPARED AND ISSUED BY

MECON LIMITED (A Govt. of India Undertaking)

DELHI-110 092

0

08.08.14

Sakshi

Vikas Jain

Pankaj Shrivastava

Revision Date Prepared by Checked by Approved by

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GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 2 of 16

INDEX

1.0 INTRODUCTION

2.0 SCOPE OF WORK FOR DISPENSER

3.0 PROJECT DETAILS

4.0 BIDDER’S ELIGIBILITY CRITERIA FOR CNG DISPENSER

5.0 ON SITE TRAINING REQUIREMENTS

6.0 WARRANTY SERVICES AND SPARES PARTS

7.0 ANNUAL MAINTENANCE

8.0 REJECTION CRITERIA

9.0 QUALITY ASSURANCE AND QUALITY CONTROL

10.0 DRAWINGS & DOCUMENTATION

11.0 EXPERIENCE RECORD SCHEDULE FOR CNG DISPENSER (To be submitted with bid)

BIDDER DATA REQUIREMENT CNG DISPENSER (To be submitted with bid)

12.0 DOCUMENTS DISTRIBUTION SCHEDULE (To be submitted with bid)

13.0 CHECK LIST FOR (Car, Bus) DISPENSER (To be submitted with bid)

14.0 DEVIATION TO SPECIFICATION (Car, Bus) DISPENSER (To be submitted with bid)

15.0 VENDOR LIST

ANNEXURES:

TECHNICAL SPECIFICATION FOR CNG DISPENSERS

(TS NO.: MEC / TS / 05 / E5 / CNG/ 033 Rev 4) (Section: 10 (c) of Volume II of II of Tender Document) ANNUAL MAINTENANCE CONTRACT FOR CNG DISPENSER

(DOC NO.: MEC/05/E5/CNG/AMC-033 Rev 2) (Section: 10 (e) of Volume II of II of Tender Document)

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GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 3 of 16

1.0 INTRODUCTION M/s GAIL Gas Ltd. is a wholly owned subsidiary of GAIL (India) Limited has been set up to provide CNG (Compressed Natural Gas) as fuel to commercial and private vehicles through filling stations and PNG (piped Natural Gas) to household, commercial and industrial consumers in Taj Trapezium zone (including Kosi Kalan, Firozabad, Vrindavan etc. in UP; Bharatpur in Rajasthan) etc..

2.0 SCOPE OF WORKS FOR DISPENSER 2.1 The intent of this Material Requisition specification is to outline the Purchaser's requirement under

which the bidder shall Design, detail engineering, manufacturing, assembly, factory testing, supply of dispenser including packaging, insurance, handling transportation of Dispenser, loading and unloading at sites, documentation etc. and providing all related services including installation, integration, site acceptance testing, trial run and commissioning, Maintenance (AMC), commissioning spares, all drawings , documents and licensed software & hardware, converters, cables etc. Complete in all respect for GAIL GAS LTD - TTZ project on Annual Rate Contract (ARC) basis conforming to MR Specification No. MEC/05/E5/23N0/GGL/S-033 Rev 0, Technical Specification for CNG Dispenser: TS No. MEC/TS/05/E5/CNG/033 Rev 4 and AMC Doc. No. MEC/05/E5/CNG/AMC - 033 Rev 2 enclosed with tender. . The rate of ARC shall be valid for 02 ( two) year period from the date of placement of order and shall be delivered as per PO on written intimation (Location: tentatively at Bharatpur & Kosikala; same will be confirm in PO).

The quantities & delivery schedule will be as defined elsewhere in the Bid. Natural Gas shall not be used for pneumatic controls of Dispenser and Instrument air / Exe proof electronically controlled solenoid shall be used for such purpose. Instruments Air if required for pneumatic operation of Solenoid Valve suitable of Dispensers has to be provided by the Client at Dispenser end at a pressure of 7 to 9 kg/cm2g. The end connection for instruments air line will be ¼” Further tubing with necessary pressure reduction (if required), one pressure gauge with isolation valve for inlet pressure of instruments air line shall be provided by the bidder. The delivery schedule and locations of the Dispensers refers Vol I of II of tender documents.

SI No

Type of Dispenser

Type Hi / Low

Flow

Flow rate Kgs/min

Fill Pressure

kg/cm2 (g)

Fill Hoses Nos./Dispenser

Remarks

1 Bus Hi 75 200 1 (Single) Inlet Pressure 255 kg/cm2 (g) 2 Car Hi/Low 15 200 2 (Two)

2.2 The Dispensers shall be complete including all required auxiliary equipment for efficient & safe

operation as a whole. Bidder shall be responsible for furnishing all electrical, instrumentation, inter connecting Piping & Safety Items as required to make the Dispensers complete.

2.3 It is not the intent of Purchaser to specify every piece of equipment/item but nevertheless any item not

specifically mentioned but required as per Good Engineering Practice and for the safe & trouble free operation of the dispensers deemed to have been specified & shall be in the scope of Bidder without any implication in the price or schedule.

2.4 Obtaining statutory approvals from the country of origin as well as from India is in Bidders scope. The

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GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 4 of 16

offered Dispenser model must be certified by the Weights and Measures or any other statutory authority from the Country of Origin. The Bidder shall also get the offered Dispenser model certified by the Weights and Measures, India. (Ministry of Consumer affairs). The offered Dispenser model must also be approved by the Chief Controller of Explosive (CCOE) Nagpur now PESO (Petroleum and Safety Organization) and the Bidder shall submit the certificate along with the offer. In case the certificate from W& M of Indian authorities is not available at the time of bidding; the same shall have to be furnished before commissioning of the dispensers. Bidder shall submit undertaking for the same along with bid.

2.5 Calibration Unit as per specification in the form of Master Meter (Master Mass Flow Meter) Bus & Car

Dispensers should be so selected that the same can be used as standard meter for both bus and car dispensers of any make for calibration if reqd. The Calibration Master Mass Flow Meter complete with Hose, Nozzle, and Fittings and vent valve mounted on a suitable frame/trolley as per International Standard. The Master Meter for Calibration must have traceability to International Standard. The Calibrator Master Meter should be Calibrated & certified by statutory authorities certified Custody transfer meter of the Country of Origin. (such as PTB, NMI, Trans Canada Calibrations, (TCC) Canada, Colorado Engineering Experiment Station Inc.(CEESI) USA, South West Research Inc.(SWRI) USA, PISGAR, etc)

2.6 Any other item required for safe and accurate operation of Dispensers shall be in the scope of Bidder.

2.7 Any spare & consumables required during commissioning shall be in the scope of Bidder. The list of such spares shall be furnished at the time of detail engineering.

2.8 Supply of complete O&M manual (along with instruments datasheet & schedule, bill of materials,

instrument hook-up diagram, electrical wiring diagram, control logic algorithm & flowchart and certificates & user guide of bought out items) for each dispenser for easy operation & troubleshooting.

2.9 Supply of drawings & documents, application program, ladder logic, list of error codes with description

for programming the dispenser parameter. 2.10 Supply of Instrumentation & Electrical items required as per Specification. All cable shall be supplied

with double compression type of cable glands tested & certified to be used in hazardous area classified as Zone-I. Trays, Explosion Proof Junction Boxes and accessories are also to be supplied and erected as per requirement.

2.11 The supplier shall quote for On-Site Training to Client personals (for Four days). 2.12 All spares required during AMC are in the Bidder’s Scope. The Bidder shall submit the list of

critical spares which are to be stored necessarily in the bidder’s store during AMC failing which the AMC rate will be paid @ 50 % of the quoted price in addition to the penalty clause no. 5.0 of AMC Doc. No. MEC/05/E5/CNG/AMC-033 Rev 2.

2.13 The supplier shall quote for AMC during warranty period with Consumables, Manpower and all the spares (covered under warranty) separately in the tender. For AMC refer Doc. No MEC/05/E5/CNG/AMC-033 Rev 2 and Scope of work refer AMC clause no. 9.1.

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GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 5 of 16

2.14 The supplier shall quote for two years Maintenance Contract including Manpower, Supply of all Spares & Consumables separately in the SOR as per clause no. 9.2.1, the clause no. 9.2 is not applicable of AMC Doc. No. MEC/05/E5/CNG/AMC-033 Rev 2. The Two years Maintenance Contract will come into force only after one-year warranty period.

2.15 Bidder shall note that the calibration of the Dispenser Instruments, Mass Flow Meter / Electronics,

other major items shall be valid at the time of commissioning. Due to any reason if the validity of the calibration (to be considered one year from the last calibration date, if not indicated) expired, then bidder shall arrange / complete the calibration before commissioning. The Performance Guarantee test shall be conducted positively within two months of commissioning. Bidder has to provide all the necessary arrangements if required for PG test.

2.16 SCOPE OF SERVICES

a) Design & Engineering b) Manufacturing & Assembling c) Procurement from Sub-Bidders d) Inspection & Testing at Works and Training at site e) Documentation and obtaining statutory approvals as per specification f) Packing, Forwarding and Transportation up to Job Sites/ Client's stores. g) Testing and commissioning, trial run etc. h) Site calibration of the Mass Flow Meter of the supplied dispensers by Master Meter before

commencement of performance test. i) AMC after site installation of each Bus & Car Dispenser, individually

EXCLUSION Civil Foundation & Trenches for pipes / Tubes, Instruments air for Dispenser will be done by other contractor.

3.0 PROJECT DETAILS:

3.0 PROJECT DETAILS:

3.1 Gas Composition

The expected gas composition of the feed gas to the CNG dispenser is given below. The CNG equipment should be designed to meet the changes in the gas compositions from gas fields, India.

Component Concentration %

C1 97.0 C2 2.15 C3 0.60

I-C4 0.09 N-C4 0.05 I-C5 0.03 N-C5 0.01

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GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 6 of 16

C6 0.00 C7 0.00

CO2 0.24 N2 0.00

H2O 0.00 SUM 100.00

NOTES: Specific gravity to be calculated by Bidder Calorific value Net Kcal/SCM to be calculated by Bidder

3.2 Gas Delivery Parameter The inlet gas pressure to the CNG dispenser is as follows: Maximum 255 Kg/cm2 (g) Gas Delivery Temperature Maximum + 70oC Dependant on ambient temperature

3.3 CNG Specification The CNG specification should meet the IS 15403:2000 (E) natural gas quality designation for use as a

compressed fuel for vehicles.

The proposed specification of the CNG is as follows: Gas Temperature -10oC to +70oC

Oil Content 10 PPM Particulate matter Less than 5 microns Odorant 10 mg/sm3 (Ethyl Mercaptane)

CLIMATIC CONDITIONS

Height above MSL : 560 m Wind Velocity : 160.0 Km/Hr Minimum ambient temperature : 8 ºC

Maximum ambient temperature : 50 ºC Maximum relative humidity : 81% non-condensing (in Aug) & 36 % in (Mar) All the Dispensers shall be suitable for Outdoor installation without roof/shed.

3.4 Utility Specification

Electric Power Supply: Single phase, AC, 230 Volts ± 1%, 50Hz ± 1% UPS to be provided by the client. Note:

1. Bidder to confirm that supplied dispensers is suitable with the above power supply and indicates the

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MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 7 of 16

maximum and minimum tolerable values of voltage for accurate metering and safe operation of dispenser. Bidder has to include suitable voltage conditioning unit in their scope, if required.

2. Bidder has to provide Surge protection device of Make MTL/ Phoenix in 230 V AC UPS Supply provided by the client. This should be installed at the JB of dispenser where incoming power supply will be terminated). Any problem in the input supply, the dispenser equipment should be protected. The surge protection devise shall be pluggable and testable with thermal disconnection and indication facility. It should be for input power supply as per IEC standard IEC-61643-12

Instrumentation Air Specification (if required)

Natural Gas shall not be used for pneumatic controls and Instrument air / Exe proof electronically controlled solenoid shall be used for such purpose. Instruments Air for pneumatic operation of Solenoid Valve suitable of Dispensers has to be provided by the Client at Dispenser end at a pressure of 7 to 9 kg/cm2g. The end connection for instruments air line will be ¼” SS. Further tubing with necessary pressure reduction (if required), one pressure gauge with isolation valve for inlet pressure of instruments air line shall be provided by the bidder.

4.0 BIDDER’S ELIGIBILITY CRITERIA-TECHNICAL FOR CNG DISPENSERS Bidder shall refer bid documents (Vol I of II) for qualification criteria and submit documentary evidence (Confirmation letter from the purchaser / Unpriced copies of PO) in support of qualification.

5.0 ON SITE TRAINING REQUIREMENTS

On Site Training for each Client personal maximum for 3 days (or as define in the SOR) shall be provide by the Bidder. Commissioning will not be deemed to have completed and formal acceptance will not be granted until training has been completed to the satisfaction of the Client.

6.0 WARRANTY SERVICING AND SPARE PARTS

All necessary spare parts to sustain the operations and maintenance of the CNG dispenser facilities should be stocked at the Supplier workshop / warehouse located in India for immediate replacement of parts. The costs to stock these spare parts should be at supplier cost. Commissioning and warranty spares & Consumables to be provided and shall be included in the base price of dispenser. A list of such spares and consumables shall be furnished with the bid.

7.0 ANNUAL MAINTENACE: Annual Maintenance shall be done as per requirements specified in the MR/ Price schedule including all spares, consumables and manpower. The date of start of the annual maintenance contract will be considered the date of successful commissioning and performance test at site. The supplier must follow the Maintenance Requirement as stated (but not limited to) in the documents “Annual Maintenance Contract For CNG Dispenser DOC No.: MEC/05/E5/CNG/AMC-033 Rev 2” enclosed with tender and ensure to provide trouble free services to the satisfaction of the owner. Bidder has to submit the organogram of the maintenance team on receipt of order.

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GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 8 of 16

8.0 REJECTION CRITERIA: During the shop test of dispenser, in case the dispensers flow capacity from inlet to dispenser to the outlet of filling nozzle is found below the specified capacity the dispenser shall stand rejected. During the shop testing if the dispenser batch accuracy is found beyond ± 1.5 % dispenser shall stand rejected. The bids received without the certification from the Weights and Measurement department of the Country of origin for offered mass flow meter (coriolis type) / OR CNG measuring system of Dispenser for vehicle as per specifications should be rejected. In case country of origin of mass flow meter or CNG measuring system of Dispenser for vehicle does not issue weights and measure certificate then the same shall be provided from approved agency for weights and measure from other country. In case the bidder is unable to produce the model approval of dispenser and Mass Flow Meter / Mass Flow measuring system (as the case may be) from the “Weights & Measures” India apart from the country of origin & the certification of “CCOE” Nagpur for model approval of dispenser along with offer, he is required to give an undertaking that the same shall be produced before supply & commissioning of the dispenser. Bidder shall be responsible and liable to do the needful for any statutory requirements for use of the dispenser till the submission of the certificate of model approval.

9.0 QUALITY ASSURANCE PLAN (QAP) AND QUALITY CONTROL:

Bidder shall submit their Quality Control Documents for Review and approval. Bidder shall maintain the Quality for the Sub-Bidder items as per the QC of company. The Inspection and Testing at works shall be done as per the QAP enclosed with this tender along with the manufacturer recommended QAP. QAP for the maintenance shall be submitted before Performance Guarantee test of the Dispenser executed at site. Bidder shall furnish the routine maintenance plan for approval before start of the Operations and Maintenance.

10.0 DRAWING & DOCUMENTATION: All the other documents as per Technical specification, Bidder Data Requirements and the documents required for better understanding and execution of the job to be supplied by the bidder. Certificates from statutory authorities confirming suitability of design / construction of all electrical and electronic items for use in hazardous area classification also to be submitted as applicable. In case of foreign supply, the Bidder should get all certificates endorsed by office of Chief Controller of Explosives (CCOE), Govt. of India within one month of delivery of dispensers at site.

11.0 BIDDER DATA REQUIREMENT FOR CNG DISPENSER 11 a) EXPERIENCE RECORD SCHEDULE FOR CNG DISPENSERS:

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MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 9 of 16

Sr. No

Parameter

Information for offered Model

Information for existing dispenser installation

1 Fluid handled CNG 2 No of Dispenser Unit installed 3 Type of Dispenser Bus, Car 4 Site max relative humidity (%) 5 Inlet Pressure in kg/cm2 (g) 6 Operating Temperature in Deg C 7 Min / Max Ambient temp (o C) 8 Dispenser Rated Flow (Kg/min) 9 Gas Molecular weight Range

10 Dispenser Overall Cv

11 Flexible fill Hoses

Nos in each dispenser Dia mm Make Model

12 Flexible vent Hoses

Nos in each dispenser Dia mm Make Model

13 Mass Flow Meter Make/model 14 Mass Flow Meter Accuracy in % 15 Dispenser batch Accuracy in % 16 Specification of Electric supply 17 No. Of Displays 18 Automatic Refueling Data Storage

storing up to 1,250 refueling transaction

19 Breakaway Coupling Type 20 Calibration unit with Master Mass Flow

Meter

21 Control Panel 22 Body of Dispenser SS 23 Where dispenser is located Address and

fax/telephone no. of Contact person

24 Any other information for installation 25 Date of supply of unit 26 Date of commissioning of unit 27 No of operating hours completed as on

bid due date.

28 Major problem encountered, if any 29 Automatic Card Reader system used if

any

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MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 10 of 16

11.0 b) Following data and information marked "X" shall be furnish by the Bidder:

S. No. Description With Bid

After Job Award For

Review For

Information Final in Book

Form 1 2 3 4 5 6

1.0 GENERAL

1.1 Signed & stamped Material Requisition Technical Specification etc.

X

1.2 Filled in Deviation Schedule for Dispensers. X

1.3

Duly filled up "Experience Record Schedule".

X

Bidder to note that information furnished by them shall be used to assess the proven -ness of offered Dispensers and Qualification of Bidder, Accordingly Bidder to furnish references of those cases, which are matching with offered Dispensers.

1.4 Installation manual X X 1.5 Bill of Material X X X

1.6

List of components of Dispenser with Make & Specification of components. Bidder shall also submit "Technical Catalogues" of components

X X X

1.7

Start-up, operation & maintenance manual showing assembly details and critical tolerances. A copy of all certified drawings & documents to be enclosed.

X X

1.8 Drawing list and submission schedule X

1.9 Project implementation schedule, ordering and inspection schedule for long lead and X major items

1.10 Inspection and test procedure, Pre-commissioning & commissioning procedure.

X

1.11 Performance test procedure X 1.12 Weights & Measures Certificates from the

country of origin for offered models of Dispenser

X X X

1.13 Dispensers unit model/mass flow meter model for dispensing specified mass flow rate at specified overall batch accuracy.

X

1.14 The "Test Certificate" for Mass Flow Meter/ CNG measuring system and other major Instruments.

X X X

1.15 Weights & Measures approval from Indian Authorities.

X X X

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MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 11 of 16

2.0 DESIGN

2.1

Process flow diagrams (PFDs) and Piping & Instrumentation diagrams (P & Ids) of sub systems and complete system with write-up on operation

X X X

2.2 Data sheets of Bus & Car Dispensers, Mass Flow Meter duly filled up.

X X X

2.3 Performance data, Bidder literature for equipment selection, performance curves with duty point marked for individual equipment

X X

2.4 Specification for piping material & valves. X X X 2.5 Utility requirement X

2.6

Detail of control wiring diagram, interlock/ shutdown/ control scheme with write up on operation. Sizing calculation for instrument items.

X X

3.0 CONSTRUCTIONAL FEATURES

3.1 G.A. drawing of Dispensers showing maintenance clearances required.

X X

X

3.2 Cross section drawings of individual equipment/ skid, material & parts list.

X X

3.3 Termination & Wiring Diagrams X X 3.4 Lubricant List with specifications X X 4.0 SPARES (Required during AMC)

4.1 List of spares for two years normal operation per Car Dispenser.

X

4.2 List of spares for two years normal operation per Bus Dispenser.

X

5.0 ELECTRICAL & INSTRUMENTATION

5.1 Drawings, documents, data as asked under Electrical & Instrumentation specifications of Tech. Specification.

X

X

12.0 Document Distribution Schedule

a) Documents and drawings under column no. 3 shall be submitted with UNPRICE COPY of the bid and Documents listed under column 4 & 5 are to be submitted in 4 copies.

b) Documents listed in column 6 are to be submitted as hard bound indexed book containing the following details in Six (6) copies & 1 transparencies and to be submitted within 4 weeks of release note/dispatch of materials/ equipment from Bidder's works. All transparencies have to be supplied in rolls (in two sets). Any site modification shall be submitted separately in 6 sets.

12.1 Details to be included in Final Documents Books

a) Manufacturing Data Book containing all test certificates of components, raw materials, stage

Page 19: Draft vol. ii

GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 12 of 16

manufacturing tests and inspections, final tests & inspection documents. All raw material test certificates must be correlated to the P.O. Item No. & component to which they relate by clear noting on the certificates. All design calculations carried out by the Bidder. Release Note and Packing List.

b) Spares details including assembly drawings, part numbers, delivery, prices and ordering information. c) Final Drawing Index and all as-built drawings reduced to A3/ A4 size and wherever reduction is not

possible, full size copies duly folded and placed in plastic pockets. d) Catalogues/leaflets of sub-Bidders/suppliers of various bought out components highlighting the

components actually supplied correlated to P.O. Item Numbers. e) Operating and maintenance instructions shall including lubrication schedules with details of suppliers

for procurement by OWNER for subsequent needs. f) All final drawings shall also be given to purchaser in digitized form on CD-ROM compatible to

AUTOCAD software. 12.2 Special instructions for submission of Dwgs./Documents:

a) Fold all prints to 216 MM x 279 MM size & roll transparencies. b) Bidder has to forward the drawings and documentation to Client clearly specifying purchasers Job no.

& Req. No. in details. The drawing/Document no. with Rev. No. is essential. c) Each Drawing/Document submitted to Client must be checked and signed/stamped by Bidder

before it is submitted to Client. Revision number must change during subsequent submission of Bidder document and only relevant sheet has to be resubmit.

d) Final documents after incorporating all comments / observation has to be submitted in totality. e) Review of Bidder drawings by Client would be only to check compatibility with basic designs &

concepts & would in no way absolve the contractor/Bidder of his responsibility to meet applicable codes, specifications & statutory rules/regulations.

f) Bidder shall submit within 10 days after placement of FOI, the complete list of drawings/ documents with submission dates against each. Critical drawings, only, the list of which will be agreed during kick-off meeting shall be reviewed jointly at Client's office.

13.0 CHECK LIST: CAR, BUS DISPENSER

a) Bidder shall furnish all the equipment of Dispenser, auxiliary systems, instruments and controls and safety devices as per the enquiry document. The Bidder in his scope shall include anything required over and above what is specified for safe and satisfactory maintenance of the equipment package.

b) Bidder to write YES/NO against each item. Bidder is required to include complete scope, as such ‘NO’ is not warranted. However, in case for any of the items if Bidder’s reply is ‘NO’, Bidder should give reason for the same:

c) Bidder’s scope of supply shall include but not limited to the following:

S.No Description Specified by Purchaser (YES/NO)

Included by Bidder (YES/NO)

Remarks

1.0 Each Dispenser Package complete with:

1.1 Frame material – STAINLESS STEEL 304 YES

1.2 Built-in Coalescing unit of 3-5 microns with manual drain valve at inlet.

YES

1.3 Certificate of “Weights & Measures” approval for Dispenser & Mass Flow meter & Master Meter (as applicable)

YES

Page 20: Draft vol. ii

GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 13 of 16

S.No Description Specified by Purchaser (YES/NO)

Included by Bidder (YES/NO)

Remarks

1.4 Certificate of “CCOE” /PESO approval for Dispenser Model YES

1.5 Fast fill type and electronic display – CAR: 4 Sets of 3 rows : BUS 2 Sets of 3 rows

YES

1.6 Dispenser with Tamper Proof Locking arrangement YES

1.7 Cabinet suitable to accommodate all valves, fitting flowmeter and all required electronic equipment

YES

1.8 Front/Side mounted Nozzle with lockable holder and safety lever/latch to firmly hold when not in use

YES

1.9 Pressure Dial gauge of 4” size (Min) YES

1.10 Separate non-resettable straight forward reading Totalizer YES

1.11 ESD button mounted on both side of the dispenser front panel YES

1.12 One set of Isolation Valve complete with venting line valve and end plug installed on the inlet of the inlet steel pipes of dispenser.

YES

1.13 Electrical equipment and Instrumentation wiring are provided with Certificate of Area Classification.

YES

1.14 Certificate by Weights and Measures or the other statutory authorities of the country of origin is Provided.

YES

1.15

Dispenser automatically and immediately shut off CNG supply to each fill hose individually in case of –Power failure, Failure of metering, Low flow, Failure of Totalizer, Overfill, pressure transducer failure.

YES

1.16 Overall CV is indicated of dispenser from inlet of the dispenser upto outlet probe including mass flowmeter, interconnecting tubing, valves, hoses, nozzles e.t.c.,(Value to be indicated)

YES

1.17 Dispenser is shipped in fully wired and assembled condition only gas supply connection, Inst Air supply and power supply connection shall be made at site.

YES

1.18 System & application Software with licence required for calibration and fault finding diagnostics of mass flowmeter electronics is provided.(as applicable)

YES

1.19 Warranty for as per tender from the date of final site acceptance of CNG facilities by the Company’s.

YES

1.20 Air compressor tubing with PG for the pneumatic operation of solenoid valve including isolation valve at end.(as applicable)

YES

1.21

Calibration unit in the form of Master Meter (Master Mass Flow Meter) complete with Hose, Nozzle, and Fittings and vent valve mounted on a suitable frame/trolley and certified by Weights and Measures or any other statutory authorities certified Custody transfer meter of the Country of Origin.

Yes

2.0 Spares

2.1 All necessary spare parts to sustain the maintenance of the CNG dispenser facilities within the warranty period and during AMC and stock at the supplier workshop/ warehouse located in

YES

Page 21: Draft vol. ii

GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 14 of 16

S.No Description Specified by Purchaser (YES/NO)

Included by Bidder (YES/NO)

Remarks

India for immediate replacement of parts

2.2 Mandatory spares to be procured by the client for O&M after completion of AMC by Bidder “Mandatory Spares”(Indicate separate price for each item)

Reqd during AMC.

2.3 Quote for one year Normal Maintenance in warranty period Reqd.

2.4 Quote for comprehensive AMC Reqd.

3.0 Inspection and Testing

3.1 As specified on the datasheets and Technical specifications YES

4.0 Bidder Data and drawings

4.1 All data & drawings as required per VDR format YES

5.0 Erection, commissioning and trial runs at site of the Dispenser

5.1 Additional Items not specified by purchaser but recommended by Bidder for safe smooth and normal operation. (Bidder shall indicate separate list of such items in his proposal)

YES

6.0 Technical Parameters to be confirmed by Bidder

6.1 Inlet Pressure Kg/cm2g : 255 YES

6.2 Fill Pressure Kg/cm2g : 200 YES

6.3 Operating Temperature (wetted area) range [-10°C to +70°C ]

YES

6.4 Electrical Supply Single Phase AC, 230V±10%, 50Hz±3%.. Provide surge protection device for inlet supply.

YES

6.5 Fill Nozzle – CAR: one NZS Class A and one NGV1 with 9/16” NZS 5425 type Refuelling with Adopter BUS: Fill Nozzle – Sherex CT 5000 OR Equivalent

YES

6.6 Flexible fill & vent hose – Twin of Parker/syneflex/Mac YES 6.7 Fill hose pressure rating - Working pressure 5000 PSIG YES

6.8 Sequential filling – Three bank for Car Dispenser and Single Bank for Bus Dispenser

YES

6.9 Temperature compensation – 200 kg/cm2 (g) equivalent at 15°C

YES

6.10 Breakaway coupling – CAR: 3/8” BUS: ½” YES 6.11 Principle of mass metering – Coriollis YES

6.12 Flow meter Model with integral flow indicator. – CNG DISPENSER: As per approved make

YES

6.13 Maximum Flow rate – CAR: 15 Kg/min BUS: 75 Kg/min

YES

6.14 Batch delivery accuracy - ± 1.5% of batch YES

6.15 Mass flow accuracy for gas meter - ± 0.5% (inclusive of linearity, hysteresis & repeatability errors

YES

6.16 Calibration tractability – as per international standard YES 6.17 Repeatability - ± 0.3 % YES

Page 22: Draft vol. ii

GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 15 of 16

S.No Description Specified by Purchaser (YES/NO)

Included by Bidder (YES/NO)

Remarks

6.18 Main enclosure weather proof to minimum IP23,and MFM to IP 65, NEMA 4

YES

6.19 Pressure rating of Wetted parts – 5000psi At 25°C as per ASME/ANSI B 31.3

YES

6.20 Process Temperature effect - ± 0.01% of nominal flow rate/degree C on zero offset

YES

6.21 Pressure influence – Nil YES 6.22 Surge and frequency Transient – Shall be as per standard YES 6.23 EMI effect on sensor and Transmitter – as per standard YES 6.24 Vibration effect – As per standard YES 7.0 Submitted all the Data sheet and Drawings as per spec. YES/No

8.0 Submitted all the Necessary certificates, Catalogues and Documents as per specification.

YES/No

9.0 No Deviation to the entire clause and the requirements of specification except define exclusively in the deviation schedule with the reason of deviation.

YES/No

10.0 Bidder has clearly understood the total Scope of Work as define in the MR, TS, AMC Doc.of tender.

YES/No

14.0 DEVIATION SCHEDULE

A typical format of Deviation Schedule is attached. Bidder shall categorically specify the deviation they have on entire material requisition in above format and sign & stamp each sheet and submit it alongwith bid. In case Bidder has no deviation, even then they should write "No Deviation" on this deviation schedule and submit it alongwith bid. This is an essential requirement; the bid should accompany Deviation Schedule.

DEVIATIONS TO THE SPECIFICATION (BUS / CAR)

S.No. Clause no. Tender Specification Deviation taken Reasons for deviations /

remarks

Certified that only the above-mentioned deviations have been taken against this tender. Name of the Bidder Signature & Seal of the Company

15.0 VENDOR LIST

Mass Flow Meter : Micro Motion (CNG 50 with 2700 transmitter) Mass Flow Measuring System COMPAC- KG80 Any Mass Flow Meter approved by W& M India for CNG application.

Page 23: Draft vol. ii

GAIL GAS LTD

MATERIAL REQUISITION SPECIFICATION OF CNG DISPENSERS

Spec. No. : MEC/05/E5/23N0/GGL/S-033

Rev. 0 Page 16 of 16

Pressure Transmitter : Druck / Wika/ Honeywell/ABB/ Rosemount Pressure Regulator : Pietro Fiorentini S.p.A. (Italy)/ Emerson Process Management/ RMG-Regel Messtechnik (Germany)/ Mokveld Valves BV (Netherlands)/ NIRMAL (UPTO # 600)

Ball Valves : Hopkinsons Limited (UK)/ O.M.S. Saleri (Italy)/ Pibi Viesse SPA / Perar SPA (Italy)/ Larsen & Toubro Ltd. (Audco India Ltd Chennai) / Microfinish Valves Ltd. (Hubli)/Pietro Fiorentini (Italy) / Nuovo Pignone (Italy) Pressure Safety Valve : BHEL, OFE & OE Group (New Delhi)/ M/s Keystone Valves

(India) Pvt. Ltd. Baroda M/s Sebim Sarasin Valves India (P) Ltd. (New Delhi)/ M/s Tyco Sanmar Ltd. (New DELHI

Parcol SPA, Italy/ M/s Nuopignone, Italy/ M/s Sarasin, France/ M/s Tai Milano SPA, Italy/ M/s Fisher Rosemount (Now M/s Emerson)

Pressure Gauges & : M/s AN Instruments Pvt. Ltd., New Delhi / M/s Altop Temperatures Gauges M/s General Instruments Ltd., Mumbai/ M/s WIKA,

The SS piping/tubing, : M/s Swagelok (USA)/ M/s Parker (USA)/ M/s Sandvik, Sweden

SS Valves, Fittings Whitey, Cajon, Nupro, Hoke & Dk-Lok make.

Solenoid Valve : M/s ASCO / M/s Rotex / M/s parker Hanifen

On Off Pneumatic Valve : M/s Parker / M/s Swageloc

Cables & wires : INCAB/Universal/ASEAN/CCI/FORT Closter/Finolex/KEI

Barrier/ Isolators/Surge protector : MTL / Phoenix / P&F

Fuelling Nozzle : NGV/NZS , OPW5000 series / Sherex, WEH, COMPAC The piping/tubing, valves, fittings shall be of Parker, Sandvik, Whitey, Cajon, Nupro, Swagelok, Hoke & Dk-Lok make.

Notes: 1) Successful bidders shall take prior approval of the Makes / Items not covered above for which complete

technical credentials (must be for CNG applications) of the proposed vendors shall be required to submit for evaluation by Purchaser/Consultant.

2) The some Items indicate only Indian Makes. Successful Foreign bidders may take prior approval of any

other makes also for which complete technical credentials (must be for CNG applications) of the proposed vendors shall be required to be submitted for evaluation by Purchaser/Consultant. The Dispenser Manufacturer having / develop the specific products for the use with their own brand name are also accepted subjected to submission of proven track record and the acceptance/ testing /certification. Decision of the client / consultant will be final.

************************************************************

Page 24: Draft vol. ii

ELECTRICAL &

INSTRUMENTATION SECTION

TECHNICAL SPECIFICATION FOR

CNG DISPENSERS

TS No.: MEC / TS / 05 / E5 / CNG/ 033

PREPARED AND ISSUED BY

(A Govt. of India Undertaking)

MECON LIMITED DELHI-110 092

Page 25: Draft vol. ii

MECON LIMITED

DELHI

TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 2 of 28

Table of Contents 1.0 Introduction 2.0 Project Requirements 3.0 Project Details & Guideline for Equipment Design

Technical Data of CNG Utility Specification Instrumentation Air Specification

4.0 Operations and Control Philosophy 5.0 Design philosophy 6.0 Applicable standards and codes 7.0 Technical Specifications of Major Items.

Dispenser Data Recorder Instrumentation & Control Mass Flow Meter Calibration Unit Electrical specification Pipe work, Valves and Fittings

8.0 Hazardous area 9.0 Calibration & Certification 10.0 Inspection and testing 11.0 Dispenser Performance 12.0 Technical support 13.0 Technical Requirement 14.0 Packaging 15.0 Data & Drawing Details 16.0 Data sheets

Mass Flow Meters Data sheets of Solenoid Valve Data sheets of Car Dispenser Data Sheet of Bus Dispenser

4 24.03.2010 Spec. Revised & reissued

3 26.09.2009 Re issue Spec. Revised

2 08.02.2007 Spec. Revised

1 15.11.2006 Revised as per Spec.

Req.

0 14.07.2006 Issue for tendering Vikas Jain Rakesh Shukla

Pankaj Shrivastava

Revision Date Description Prepared

by Checked

by Approved by

Page 26: Draft vol. ii

MECON LIMITED

DELHI

TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 3 of 28

1.0 INTRODUCTION:

For filling of Compressed Natural Gas (CNG) to Commercial & Private Vehicles (CNG Bus, Car, Auto etc.) through Filling Stations & setting up of CNG filling Dispenser with its Infrastructure are the prime objectives of this Specification.

2.0 PROJECT REQUIREMENTS:

The project requirements will be as define in respective MR Specification for CNG Bus, Car & Dual Car and Bus Dispenser. The Supply and Installation complete with all auxiliaries & features required for efficient & safe operation, in accordance with this Technical Specification, Data sheets & other enclosures at the CNG station is included in the Scope of Vendor. Natural Gas shall not be used for pneumatic controls of Dispenser and Instrument air / Exe proof electronically controlled solenoid shall be used for such purpose. The metering system shall be Coriollis true Mass Flow System. Bus Dispenser shall be as per the Data sheet & Specification defines elsewhere in this Technical Specification.

2.1.2 The Dispenser Model and Mass Flow Meter or Dispenser Model using a Mass Flow Meter part of Dispenser offered by the vendor shall be certified from the Weights and Measures or any other statutory authority of the Country of Origin as well as shall also certified by the Weights and Measures, India. (Ministry of Consumer affairs). The offered Dispenser model must also be Type Approved by the Chief Controller of Explosive (CCOE), Govt. of India as per Gas Cylinder Rules, 2004.

2.1.3 Calibration Unit as per clause no. 7.6 in the form of Master Meter (Master Mass Flow Meter) with Hose,

Nozzle, and Fittings and vent valve mounted on a suitable frame/trolley as per International Standard. The Master Meter for Calibration must have traceability to International Standard. The Calibrator Master Meter should be certified by Weights and Measures or any other statutory authorities as certified Custody transfer meter of the Country of Origin. (such as PTB, NMI, Trans Canada Calibrations, (TCC) Canada, Colorado Engineering Experiment Station Inc.(CEESI) USA, South West Research Inc.(SWRI) USA, PISGAR, etc)

3.0 PROJECT DETAILS & GUIDELINE FOR EQUIPMENT DESIGN:

Technical Data of CNG:

The CNG specification should meet the IS 15403:2000 (E) natural gas quality designation for use as a compressed fuel for vehicles.

The proposed specification of the CNG is as follows: Gas Temperature -10oC to +70oC

Oil Content 10 PPM Particulate matter Less than 5 microns Odorant 20 mg/m3 (Ethyl Mercaptan)

The dispenser shall be suitable for the Climatic Conditions as define in the MR specification.

All Electrical devices shall meet the requirement for the area classification specified in this Technical Specification.

Tubing & other devices shall be so arranged that there is proper access for operation & maintenance. All the Dispensers shall be suitable for Outdoor installation without roof/shed.

4.0 Operations & Control Philosophy The CNG dispensing facilities should be designed with minimum operator intervention. Routine maintenance

work will be carried out during normal working hours and outside the scheduled refuelling activities. The control system will be fully automated, only requiring manual intervention for connection of the hose and to initiate the filling operations.

Page 27: Draft vol. ii

MECON LIMITED

DELHI

TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 4 of 28

Dispenser shall be use instrumentation air / electronically controlled Solenoid for operation and made available necessary provision for it. The dispensing facilities should be designed to operate for a two-year or 10,000 hr which ever comes first, without major overhaul of the gas dispensers. To commence refueling of CNG vehicles, the drivers / operators need to unhook the NGV/NZS connector from the dispenser and hook-up to the inlet of the CNG vehicles. Thereafter, the refueling would commence upon activation either through manual reset switch or through card reader. The dispenser will automatically stop the refuelling process at 200 kg/cm2 (g) and all such refuelling transaction data would be stored and subsequently downloaded into a computer or forecourt management system. The printer attached with the dispenser will generate a cash memo for each hose separately after completion of refilling Process.

5.0 Design Philosophy

It is anticipated that the natural gas feed composition, flow rate and pressure will be fluctuating. Hence, Supplier should design the CNG dispensing facilities with optimum degree of flexibility, reliability, and operatability to accommodate the varying composition of feed, other unexpected contaminants, flow rate and pressure.

SI No

Type of Dispenser

Type Hi / Low

Flow

Flow rate Kgs/min

Fill Pressure

kg/cm2 (g)

Fill Hoses Nos./Dispenser

Remarks

1 Bus Hi 75 200 1 (Single) Inlet

Pressure 255 kg/cm2

(g)

2 Car Hi/Low 15 200 2 (Two)

3 Car Cum

Bus

Hi (Bus) 75 200 2 (Two) One for bus & One

for car Hi/Low (car) 15 200

The CNG dispensing facilities should consist of standardised modules, which are assembled into a complete system. Each system should be designed in packaged frame, housing the dispensing system. The design life of the CNG dispensing facilities should be 20 years as minimum. The entire valve operation etc. of dispenser shall be of by Instruments air/ electronically controlled Solenoid. Necessary provision shall be available in the dispenser.

6.0 Applicable Standards and Codes

The design, construction, manufacture, supply, testing and other general requirements of the dispenser equipment should be strictly in accordance with the data sheets, applicable codes, and should comply fully with relevant National & International standards, Indian Electricity Act, Indian Electricity Rules, regulations of Insurance Association of India and Factories Act while carrying out work as per this specification. The Vendor without any additional cost and delivery implications should carry out any modification suggested by the statutory bodies either during drawing approval or during inspection, if any. The following codes and standards (versions/ revisions valid on the date of order) are referenced to & made part of specification:

1. NFPA 52 Standards for CNG Vehicular Fuel Systems 2. NGV 4.1/ AGA 2-92 Requirements for CNG Dispensing Equipment for Vehicles 3. NGV 4.2/ AGA 1-93 Requirement for Hoses for NGVs and Fuel Dispensers.

Page 28: Draft vol. ii

MECON LIMITED

DELHI

TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 5 of 28

4. ANSI / NGV1 Compressed Natural Gas Fuelling Connection Devices Standard for Fuelling Nozzles and Receptacles.

5. NGV4 / AGA Requirements for Breakaway Devices for CNG Vehicle Fuelling Dispensers and Fuelling Hoses.

6. IS 5572 Classification of Hazardous areas (other than Mines) for Electrical Installations

7. IS 5571 Guide for selection of Electrical Equipments for hazardous area 8. OISD 179 Safety requirements for Compression, Storage, Handling

and Refuelling of CNG for use in Automotive Sector. 9. OISD 113 Classification of areas for Electrical Installations at

Hydrocarbon Processing and Handling facilities 10. NFPA-52: 1992, ANSI, ASTM, NEC, NEMA, ASNZ, OIML, Indian Electricity Rules, Indian

Explosives Act. , Australian / New Zealand Refuelling Standard. AG901 / NZS 5425 11. OIML TC8/SC7 Recommendation with regards to CNG dispensers, December 2000.

12. The Standards of Weights and Measures Act 1976. 13. The Standards of Weights and Measures (Enforcement) Act, 1985.

14. The Consumer Protection Act, 1986. 15. The standards of Weights and Measures (General), Amendment Rules, 2005 – Part X (Compressed

Gaseous Fuel (CNG) Measuring Systems for Vehicle. Any other Codes & Standards mentioned elsewhere in this Job Specification/M.R. or which has required to be complied with as per the prevailing Government of India regulations shall also be followed. All Electrical devices shall meet the requirement for the area classification specified in the documents. Tubing & other devices shall be so arranged that there is proper access for Operation & Maintenances. Precedence In case of any conflict between MR Specification & other documents, the following order of precedence shall apply:

MR Specification

Technical Specifications

Indian Standards/Codes as applicable, International Standards/Codes as applicable

7.0 TECHNICAL SPECIFICATIONS

The specifications described herewith are intended to give vendor the technical & operating conditions the Dispenser must fulfill. These are to be referred along with relevant description including in earlier sections. Vendor may indicate in his offer, the additional features, which his dispenser has in terms of better design, enhance reliability etc., however such feature may be accepted subject to Client's review and approval.

7.1 DISPENSER: The Bus dispensers shall be designed to handle flow rate of ≥ 75 kg/min under discharge to atmospheric condition and for car dispenser to handle flow rate of ≥ 15 kg/min. The dispensers shall be suitable for a turn down of not less than 10:1 on flow for Car and 20:1 for Bus. The normal operating pressure of CNG at dispenser inlet shall be 255 Kg/cm² (g). However, supply from dispenser to the Bus shall get positively cut off at outlet pressure of 200 Kg/ cm² (g) to ensure the safety of the vehicle. Dispenser shall be suitable for Outdoor installation without roof / shed.

Each dispenser should have the following specifications:

7.1.1 It should be fast fill electronic type and display the following key information on the dispenser with

liquid crystal back-lit display for night viewing showing:

- Quantities of gas dispensed in kg (4 digits in 2 decimal points i.e., 00.00) in one row.

Page 29: Draft vol. ii

MECON LIMITED

DELHI

TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 6 of 28

- Unit cost of gas dispensed in Rupees, Rs/kg (4 digits in 2 decimal points i.e., 00.00) - Complete transaction value in Rs (6 digits in 2 decimal points i.e., 0000.00) in one row. - There should be 4 displays, Two on each side of the car dispenser (total 4 sets of 3 rows

displays for each dispenser). - There should be 2 displays, one on each side of the bus dispenser (total 2 sets of 3 rows

displays for each dispenser). - There should be 4 displays, One Display for car dispenser & One Display for Bus dispenser

on each side of dispenser (total 4 sets of 3 rows displays for each dispenser). - Displays must remains active for at least 15 minutes after power failure - The decimal point required being adjustable through software programme. - The complete transaction value can be round off to nearest Rs (less then 0.5 considered to

be 0 and ≥ 0.5 will be considered to 1 Rs ) through software to avoid transaction related dispute .

- The display should read previous batch reading even after power failure.

7.1.2 Non-reset table and non-volatile inbuilt totalisers upto 999999.99 for total CNG sold in KGs with an independent battery backup. Since these dispensers are used for custody transfer purpose, the totalisers should not reset in any eventuality not even in case of electronic failure. Reset to zero of totaliser shall be performed by the dispenser electronics automatically when the maximum value reached. The Non- resettable Mechanical Type Totaliser Counter shall also to be provided which can be visible from front. The vendor should provide suitable arrangement outside the flameproof electronic box (on the dispenser’s body) for reading the totaliser.

7.1.3 Physical design should be of stainless steel body with doors/ panels to minimize corrosion and on-

going wear and tear. The dispenser should have tamper-proof locking arrangement. The cabinet should be suitably designed to accommodate all valves, fitting flow meter and all required electronic equipment.

7.1.4 Front/side mounted nozzle come with lockable holder and safety lever / latch to firmly hold the

nozzle when not in use. Two nos of holster/cradle for filling nozzles along with weather caps for the protection of nozzles. Holster / cradle shall be suitable for Sherex CT-5000 Nozzles for Bus and NGV/NZS for Car and one each type for Cur cum Bus Dispensers.

7.1.5 Each dispenser side should be equipped with authorization / on-off switch and liquid filled 4 inches

dial pressure gauge (0-400 kg/cm2) showing the vehicle filling pressure for each filling arm. Vendor shall provide a bypass isolation valve with associated tubing to facilitate routine servicing calibration of pressure gauges without shutdown of the dispenser.

7.1.6 The Dispenser shall have ready to start delay of around one minute after each Power On and to start

next batch filling. (Adjustable on site)

7.1.7 One no. Bubble tight Manual Shut-off valve for each fill hose has to be considered. 7.1.8 For Bus Dispenser and Car cum Bus Dispensers the gas tubing inside the dispensers shall be SS

316, ¾” OD with a ¾” SS 2 way ball valve at inlet and ¾” OD end connection suitable for connecting with ¾” OD Tube. For Car dispenser SS 316, ½” with ½” to ¾” adopter for Interconnecting tubing /piping, fittings, high flow valves shall be used. NRV’s shall be provided as required. One set each of (½ “ for car with ½” to ¾” adopter and ¾” for bus and Car cum Bus) isolation 2 way ball valves complete with venting line valve and end plug should be installed on the inlet steel pipe of the dispenser. The valve should be located immediately before the dispenser and should be accessible to the maintenance personnel.

Page 30: Draft vol. ii

MECON LIMITED

DELHI

TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 7 of 28

Dispenser end connections should be (½ “ for car with ½” to ¾” adopter, ¾” for bus and Car cum Bus) tube fitted with (½ “ for car ¾” for bus) union with nut and front and back ferrule.

7.1.9 Fast fill 3 Bank Sequencing System for Car and Car Cum Bus Dispenser. Sequencing system

should be in-built to the dispenser unit. Bus Dispensers shall have Single Bank fill system.

7.1.10 Overfill protection shall be through electronically programmed hose to terminate the fill after 200 Kg/cm²g. Vendor shall include 2 nos. transducers or one transducer with one no. pressure micro switch or one transducer with one no. pressure regulator per hose of suitable range for sensing the pressure. Pressure relief valve shall be provided to avoid overfilling. Pressure Relief valve set pressure shall be at 220kg/cm²g with resetting at 215kg/cm²g. Relief valve setting has to be adjustable from 205kg/cm²g to 240kg/cm²g with resetting at 200 to 235 kg/cm²g respectively. 2 Nos. transducer or one transducer with one no. Pressure micro switch or one transducer with one no. pressure regulator per hose has been envisaged to terminate the filling. If due to some malfunctioning, transducers or switch are not working well, relief valve shall POP for safety purpose to avoid over filling.

7.1.11 Built-in coalescing unit of 3-5 microns at inlet of each bank to be able to trap particulate and carried

over oil at the inlet with manual drain valve. Vendor has to provide suitable arrangement to detect the filter status and to collect the drained oil outside the dispenser by necessary tubing.

7.1.12 Easy to read lighted display – explosion proof backlighting or LED to be provided. Display must be

of IP 55. Display should show the proper error code during shutdown. 7.1.13 The components of the flexible hoses are to be factory tested after assembly and before use to at

least 5,000 psig. Copies of test certificates should be provided together before the delivery of the dispenser unit.

7.1.14 Connection for the flexible hose should be designed with a burst pressure of at least four times the

most severe pressure and temperature conditions expected. Necessary certificate shall be submitted along with supply.

7.1.15 ESD button to be mounted on both side of the dispenser front panel and to be easily reached during

emergencies. This should close filling from each arm of dispenser.

7.1.16 Refuelling procedure / instruction complete with diagram or icons type figures should be installed on each side of refuelling hoses for each dispenser unit.

7.1.17 Dispenser electrical equipment and instrumentation wiring should be approved to meet the

hazardous area classification Class-I, Division I, Group D as per NEC or Zone I, Group II A/ II B as per IS/ IEC, certification required on all components.

7.1.18 Filling of vehicle from the dispenser (Car and Car Cum Bus) should be of the following

sequence: 1st sequence - from low bank and (high) initially 2nd sequence - from medium bank 3rd sequence - from high bank

7.1.19 Dispenser equipment such as pressure gauge, authorization switch, emergency shut-off valve, filling nozzle, ESD button should be provided with labeling / tagging.

7.1.20 Temperature compensator to limit fill pressure to an adjustable value (the normal value 200 kg/cm2

(g)) equivalent at 15 deg C and pressure with normal value 200 kg/cm2g shall be provided. Temperature compensation provision shall be provided and the facility to enable or disable the same also to be available in dispenser.

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SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 8 of 28

7.1.21 Dispenser should be automatically and immediately shut off CNG supply to each fill hose

individually in case of: i) Power failure or Excursion beyond permissible limit. ii) Loss of Display iii) Power Failure of Mass Flow Meter iv) Flow beyond High and low limits v) Failure of Metering vi) Failure of Totaliser vii) Overfill of quantity or pressure viii) Failure of pressure sensing transducer. ix) Failure of Pneumatic ball valve / electro valve x) Repeated operation of Reset or Start/ Stop switch. xi) Removal of any electrical wire connection to controller. xii) Program step is in “HOLD” due to any error.

7.1.22 Vendor should indicate overall pressure loss of dispenser from inlet of the dispenser upto outlet

probe including mass flow meter, interconnecting tubing, valves, hoses, nozzles etc. 7.1.23 The dispenser shall be shipped in fully wired and assembled condition. Only gas supply, Inst. Air

line connection and power supply connection shall be made on site.

7.1.24 Vendor should include in his scope provision of base frame to be embedded in the foundation. Base frames to be supplied in separate packing.

7.1.25 All the vents (eg. Actuator, PSV, fill hose) shall be taken out from top of the dispenser. 7.1.26 Vendor should include necessary licensed system and application software for dispenser electronics

one set each for Car and Bus, required for calibration and faultfinding diagnostics.(As applicable)

7.1.27 The normal operating pressure of CNG at dispenser inlet shall be 255 Kg/cm² (g). However, supply from dispenser to the Bus shall get positively cut off at outlet pressure of 200 Kg/ cm² (g) to ensure the safety of the vehicle.

7.1.28 Once the particular-cycle of filling has been completely stopped (on achieving the maximum fill

pressure and/or minimum flow rate) then next filling can be started only after initialization.

7.1.29 The normal operating temperature of wetted parts of dispenser shall be (-) 10 °C to +70°C.

7.1.30 Designing of the dispensers would take into account severity of service. The dispensers shall be designed in such a way as to operate in cyclic (start, fill, stop, start.) round the clock basis with about 1 minute (typical to be adjusted as per requirement) interval between stop and start modes. The dispenser also to work satisfactorily when the time between stop and start is indefmitely high, e.g. during lull time or when the dispenser is commissioned after it was decommissioned for prolonged period or in storage after initial commissioning. For this purpose if any specific storage facility is required, the same to be indicated by the bidder.

7.1.31 Vendor shall include any other item required for safe and accurate operation of Dispenser.

7.1.32 DISPENSER CABINET

i) Complete cabinet shall be of Stainless Steel and shall have tamper proof locking arrangement.

Cabinet wall thickness shall not be less than 1.6 mm. Cabinet shall be sized to accommodate all electrical, electronic and mechanical components for metering and display within the cabinet. Cabinet shall be designed to protect all tubing, pressure gauges, valves, fittings, electrical &

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ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 9 of 28

electronics item from tampering, rain, dust, vermin etc. Dispenser cabinet shall be provided with adequate size bottom opening for the entry of gas supply line/lines and power supply connections. Adequate ventilation shall be provided so that there is natural convection current and cooling takes place inside. Cabinet shall be structurally robust and should not resonate at the frequencies emanated during normal flow or during choked flow through the nozzles, breakaway coupling or valves etc.

ii) Appropriately plugged drain valves of the filter outside the dispenser housing with suitable

arrangement to collect the drained oil to facilitate the operator to drain the oil on regular basis without requiring opening the lock of the dispenser cabinet. The layout of tubing & other component should be such to gives unhindered access to all parts & maintenance becomes easy.

iii) Client's Logo and name to be displayed on both sides of dispensers, in Client approved colour

scheme. Client's Logo and name shall be painted on stainless steel panel with an appropriate colored background or alternatively, vendor shall provide self-adhesive PE film sheet with Client's Logo and name. The artwork shall be of three colours. The colours, Logo size and name size shall be informed to successful bidder during detailed engineering.

iv) The dispensers shall be shipped in fully wired and assembled condition. Only gas, air supply and

power supply connection shall be made at Site. v) Hi-Mast shall be of appropriate height and shall allow free movement of flexible hose, prevent strain

on the fill hose connection and avoid touching of ground.

7.1.33 FILL HOSE & FILL NOZZLE

Electrically conducive (fill & Vent) hose shall be included for supply of Dispensers meeting the requirement of NFPA-52 and NGV 4.2. Fill hose shall have Sherex CT-5000 Nozzle or equivalent suitable to fill Sherex/OPW CL-5078 bus or Car receptacle. Nozzle shall be designed for high frequency use with a min. cycle of 1,00,000. The end connection for the main and the vent hose shall be SAE (JIC) 37 deg Female Swivel 1-1/16” - 12 UNF.

Specific Conductivity of Filling Hose shall be 0.512 Mega ohms for length Up to 180” (appx. 4.5 Mtr) and, 3.5 Mega ohms for length Over 180” and Up to 1200” (Appx. 30 Mtr.) a) For Car Dispenser: Two CNG flexible electrically conductive twin (fill and vent) hoses with two nozzles and vent hose one with captive vent transit fill nozzle including 3 way valve for filling or venting are required along with weather caps for the protection of nozzles. Out of two hose one should be fitted with NZS and other with NGV nozzle. However the hose with NGV nozzle should have suitable adapters (NGV 1 Type 2 Class A / NZS 9/16” fill probe) attached with it to fill both type of filling systems i.e. NGV1 Type2 or NZS-5245 nozzles. Vendor should also include supply of breakaway coupling, suitable for NGV Industry, in each hose. Each hose should be 3/8” ID working pressure 255 kg/cm2 (g) and at least 4.0 Meter long.

b) For Bus Dispenser: One CNG flexible electrically conductive twin (fill and vent) hoses with nozzles and vent hose with one Sherex CT-5000 (with captive vent) transit fill nozzle including 3 way valve including NGV valve for filling or venting are required with weather caps for the protection of nozzles. Vendor should also include supply of breakaway coupling, suitable for NGV Industry, in hose. Each hose should be 1/2” ID, 5000 psig, working pressure 255 kg/cm2 (g) and at least 4.0 Meter long. End connection of main and vent hose shall be SAE (JIC) 37 deg female swivel 1 1/16”-12 UNF.

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 10 of 28

c) For Dual Car & Bus Dispenser:

For Car End: One CNG flexible electrically conductive twin( fill & vent) hose, fitted with fitted with NGV nozzle should have suitable adapters (NGV 1 Type 2 Class A / NZS 9/16” fill probe) attached with it to fill both type of filling systems i.e. NGV1 Type 2 or NZS-5245 nozzles including 3 way valve for filling or venting are required along with weather caps for the protection of nozzles. Vendor should also include supply of breakaway coupling, suitable for NGV Industry, in hose. Each hose shall be 3/8”ID , 5000 psig, working pressure 255 kg/cm2 (g) and at least 4.0 Meter long. For Bus End: One CNG flexible electrically conductive twin (fill and vent) hoses with nozzles and vent hose with one Sherex CT-5000 (with captive vent) transit fill nozzle including 3 way valve including NGV valve for filling or venting are required with weather caps for the protection of nozzles. Vendor should also include supply of breakaway coupling, suitable for NGV Industry, in hose. Each hose should be 1/2” ID, 5000 psig, working pressure 255 kg/cm2 (g) and at least 4.0 Meter long. End connection of main and vent hose shall be SAE (JIC) 37 deg female swivel 1 1/16”-12 UNF.

Breakaway shall be as per the ANSI/IAS NGV 4.4 -1999. Vendor shall demonstrate the function of breakaway coupling during performance test with the similar sample breakaway coupling.

7.1.34 One number of holster/cradle for fills nozzles along with weather caps for the protection of nozzles.

Front/Side mounted Nozzle with lockable holder and safety lever/latch to firmly hold the nozzle when not in use shall be provided.

7.1.35 Vendor has an option to supply the dispensers either with pneumatic operated ON-OFF control valve

or with electrically operated full-bore bubble tight ball valve made valve made of ANSI 316 SS for ON-OFF control of flow. Vendor shall take approval of make of valve from Client/ Consultant. Vendor to Vendor shall ensure that the system design in such a way that in both options, any gas if passes, should be recorded by mass flow meter and there should not be any possibility of un metered gas supply through dispenser in case of malfunctioning of ball valves.

In case of pneumatic operated Ball valve, the actuator and Ball valve assembly shall be fatigue free and retain tight shut off characteristics at least for 8000 operation hours. These actuators would be air fail to close spring-loaded type. Linkage with ball valve would be tamper proof by providing a sealed sleeve so that ball valve stem is not accessible from outside easily. Also, the actuator cannot be mechanically rotated from outside even though position indicator would be provided on its body. Venting of air would be passage in such a way that venting of air cannot be obstructed either in the solenoid or in the actuator. The combination of SOV, pneumatic actuator and Ball valve would constitute power fail-safe valve. The whole system has to be very fast acting and response time fraction of second so that if the flow were terminated at any point of dispensing, the slippage would be always within the accuracy limit. The Instruments air tubing inside the Dispenser shall be minimum ¼” OD and shall be of SS 316 material. The pressure gauge in inlet line of inst air has to be provided.

7.1.36 Coalescent filter shall be provided at inlet of bank supply line with manual drain valve to ensure that

the oil carryover in the CNG being filled to Vehicle is < 5 PPM. Filter elements made of paper shall not be accepted. Vendor to provide appropriately plugged drain valve outside the dispenser housing with suitable arrangement to collect the drained oil outside the dispenser by necessary tubing. Filter size shall be in accordance with max flow through the Dispenser.

7.1.37 Vendor shall supply the application program, ladder logic, and list of error codes with

description for programming the dispenser parameter used in Dispenser Electronics.

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 11 of 28

7.1.38 After power on, the controller delay time to start filling be such that the Mass Flow Meter and

Pressure Transmitter are initialized properly to void any un-metered gas. 7.1.39 Vendor shall ensure that the system design in such a way that in process, any gas if passes, should be

recorded by mass flow meter and there should not be any possibility of unmetered gas supply through dispenser in case of malfunctioning of ball valves.

7.1.40 The offered Dispensers for dispensing CNG shall be Type/ Model approved by from Statutory Authority of Country of Origin and the Chief Controller of Explosive (CCOE), Govt. Of India as per Cylinder Rules, 2004. The equipments & their make for particular model shall be same as specified in the certificate issued by CCOE, for any change fresh CCOE certificate has to be obtained and submitted before commissioning.

7.1.41 The Car cum Bus dispenser shall be designed to handle flow rate of >= 15 kg/min and >= 75 kg/min

respectively, under discharge to atmospheric condition. The Dispenser shall be based on three banks sequencing filling and priority shall be given to Bus Dispensing arm. The sequencing panel shall be within cabinet of the dispenser itself and not as a separate unit. Sequencing should be on flow rate and pressure. Separate Flow meters shall be provided for each arm for Car cum Bus Dispensers.

7.2 DATA RECORDER:

a) The dispenser should have an inbuilt Automatic Refuelling Data Recorder unit for the each

independent refuelling line. The dispenser system should be capable of storing up to 1,250 refuelling transactions data with date & time stamping and such data should be downloaded frequently into another portable computer with compatible Microsoft software (software in CD to be provided by Supplier together with the license) to store the transactions data. This information can either be down loaded as a report from a POS system of client through RS 485 communication. Vendor shall provide battery back up of 72 hrs to the RAM of dispenser electronics.

b) The dispenser electronics software should be capable to print all alphanumeric refuelling data (as

stated below) of each fill point of the dispenser as a receipt for the respective vehicle through the point of sale (POS) Computer / printer (both of client) and shall generate the cash receipt for each refuelling operation. The Communication port for the interconnection of dispenser to POS shall be available in the dispenser and shall be intrinsically safe. Following information required on the receipt for each refuelling:

- Vehicle Identification Number. - Quantities of gas dispensed in kg (4 digits in 2 decimal points i.e., 00.00). - Unit cost of gas dispensed in Rupees, Rs/kg (4 digits in 2 decimal points i.e., 00.00). - Complete transaction value in Rs (6 digits in 2 decimal points i.e., 0000.00).

c) One number Non-resettable and non-volatile inbuilt totaliser up to 999999.99 ( 8 digit and a

decimal) for total CNG sold in KGs (Total refuelling transaction) with an independent battery backup shall be provided for each dispenser. The display should have facility to read previous batch reading even after power off/ failure. The dispenser electronics totaliser shall get updated continuously with each batch filling and must retain the transaction value even after power supply off/failure any time during online filling cycle.

d) The dispenser parameter setting shall be password protected. Facility of change of password

also to be provided to enhance the security of password.

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 12 of 28

7.3 INSTRUMENTATION & CONTROL:

All the Electrical and Electronics Instruments shall be installed in accordance with NFPA 70, IEC for gas Group II A, II B & Temperature Class T3 and shall have approval of a recognized certifying authority. For all intrinsically safe /flame proof equipment / instruments the certifying authority will be BASEEFA, FM, UL, PTB, LCIE and in India CCOE, India, Nagpur. The applicable certificate shall be provided at the time of Inspection & Testing at works. All the auxiliary instruments like Mass Flow Meter, Pressure Transducer / switch, ESD,SOV etc. shall be on 24 V DC supply only. Vendor shall provide suitable power conditioning unit / Stabilizer, barrier / isolator etc. for fail safe operation in Hazardous areas, class 1 div 1 Group D as per NEC. Vendor shall provide the power & utility consumption for the instruments used in the Dispensers. The Mass Flow Meter shall be coriolis type and shall confirm to AGA 11 standard. All tubes, Valves and fitting shall be leak proof & shall be Swagelok / Parker make and suitable for respective pressure rating. The tube shall be of Sandvik Make & suitable for respective pressure rating. Complete control loop would be so fast that if filling were terminated at any point of filling, the flow would stop immediately. Reset Switch assembly should be suitable for failure free operation. In case the power supply is beyond acceptable limit the dispenser shall not start at all. The controller shall provide an operational alarm and it shall be displayed on LCD display.

7.4 DISPENSER ELECTRONICS: The Dispenser Electronics shall be Microprocessor based and inbuilt with the dispenser. All the electronic cards shall be located in flameproof boxes inside the dispenser cabinet. The controller electronics shall be immune to EMI interference. The dispenser electronics shall have self-diagnostics features and should generate error code accordingly. The error code shall be display (for some time for even power failure). Vendor should define such error codes and procedure for their rectification in Maintenance manual. Password protection should be provided for entry of data through keypad. The keypad shall be provided inside the display electronics cabinet and can’t be accessible from outside. The change in dispenser setting shall be done through laptop computer or hand held communicator through the port provided for this purpose with security lock. For downloading the CNG refuelling transaction data to Client’s POS computer, RS 485 serial port (for RS 232 port, provide with Converter for RS 232 to 485 including all hardware and software) shall be provided. The programming, tuning, adjusting of the controller would be through dedicated software residing to a PC with the window Operating System. Dispenser shall be capable of communicating with outside system using the open system architecture / Protocol. It is possible to transfer the data through twisted pair wires, transaction data, flow meter data to RTU of SCADA. All the flow data, trip status and power supply status shall be available. The client shall provide SCADA and RTU. The Dispenser shall have facility to read & write the data from remotely through SCADA. The dispenser should have provision and dedicated communication card & port for connection to RTU for monitor and control the transaction parameter through serial communication. The detail requirements of SCADA will be communicated to the successful vendor during detail engineering. For selection of equipments compatibility for SCADA system vender shall considered the Modbus RTU protocals, FCC-68 RJ 45 connection type, RS 232 D communication standard, Baud rate upto 19.2K, with configurable software. The configuration data for the Mass Flow Meter should be stored in a non-volatile memory or in a dedicated battery backed RAM to protect the data from power off or fluctuations.

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 13 of 28

7.5 MASS FLOW METER

Coriollis True Mass Flow Meter with Integral Display Unit should be provided to ensure accuracy and direct Mass Flow measurement shall confirm to AGA 11 standard and approved for custody transfer metering of CNG at each of the refuelling hose. The microprocessor based control system should be provided to sense, monitor and control complete filling operations on a continuous, uninterrupted basis. The integral display unit shall be mounted in side the dispenser body. The difference in reading between this integral display unit and non-resettable type totaliser shall not be > 1.0%. Each and every Mass Flow Meter “Zeroing” shall be done before delivery from works. The Mass Flow Meter design consideration, piping, meter installation, zero verification and proving facility shall confirming to AGA 11 standard. Mass flow meter (Indicating Type) should be designed for custody transfer metering of CNG and meet the following requirements: Principle of metering - Coriollis Flow Rate - >= 75 kg/min for Bus and >=15 kg/min for Car Accuracy - + 0.5% (inclusive of linearity, hysteresis & Repeatability error) Repeatability - + 0.3 % or better Totaliser - Non resettable Type Enclosure - IP65, NEMA 4 & Ex.Proof Pressure & Temp influence - Nil Calibration Traceability - NIST Pressure Rating of wetted parts - 5365.605 (5200 psi) at 25 deg c as per ANSI BV 31.3/ASME EMI effect on sensor and Transmitter- To the requirement of EMC to latest IEC/EN standard Vibration effect - As per IEC 68.2.6 / SAMA PMC 31.1 (1980) or latest standard Approval - ATEX/CSA/ FM/CENELEC /SEV W& M - Statutory authority of Country of Origine and From Ministry of Consumer Affairs, Govt. of India.

Output to Dispenser Electronics - RS 485/ frequency Out put to be available - RS485/frequancy/Analog duly programmed Each flowmeter should be provided with a liquid crystal display (LCD) for ongoing flow monitoring and totaliser. Flow meter signal shall be considered as the highest level of interruption. It shall not be possible to fill any vehicle cylinders by repeated operations of reset switches. Reset time delay is required with adjustable time. Mass Flow Meter shall have diagnostic facility to check live zero, configurable parameter, constants etc. through Laptop. Provision for sealing/locking of Mass Flow Meter / Transmitter shall be provided to avoid possibility of tempering during use of Dispenser. Vendor should include one set necessary system and application software with hardware including communication cable / converter etc. with licensed required for calibration and faultfinding diagnostics of Mass Flowmeter Electronics through Client’s Laptop. Make / Model: For all type of Dispenser : MICRO MOTION CNG 50 with 2700 Transmitter

7.6 CALIBRATION UNIT: 2.1.4 Vendor to supply one number Calibration unit in the form of Master Meter (Master Mass Flow Meter)

complete with Hose, Nozzle, and Fittings and vent valve mounted on a suitable frame/trolley as per International Standard. The Calibrator Master Meter should be certified by Weights and Measures or any other statutory authorities certified Custody transfer meter of the Country of Origin. (such as PTB, NMI, Trans Canada Calibrations, (TCC) Canada, Colorado Engineering Experiment Station Inc.(CEESI)

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 14 of 28

USA, South West Research Inc.(SWRI) USA, PISGAR, etc). Master Meter should be selected such that same meter can be used as standard meter for both bus and car dispensers of any make if required. The Meter Calibration must be of International Standard. The Car Dispenser Calibration unit mounted on suitable trolley / frame shall consist of following as minimum: 1. Master Mass Flow Meter of Micro motion Make CNG 50 with Local display & integral Transmitter of

MVD 2700 series (installation shall be as per AGA 11 standards) & shall be calibrated for specified flow range for Car or Equivalent Mass Flow Measuring system certified by W&M and any other statutory authorities certified Custody transfer meter.

2. Car Receptacle, Nozzle & Hose, necessary three way ball valve and fittings 3. Master Pressure Gauge/ indicating instruments at down stream of Mass Flow Meter. 4. Safety valve & vent valve with necessary tube and fittings etc. The Bus Dispenser Calibration unit mounted on suitable trolley / frame shall consist of following as minimum: 1. Master Mass Flow Meter of Micro motion Make CNG 50 with Local display & integral Transmitter of

MVD 2700 series (installation shall be as per AGA 11 standards) & Shall be calibrated for specified flow range for Bus or Equivalent Mass Flow Measuring system certified by W&M and any other statutory authorities certified Custody transfer meter.

2. Bus Receptacle, Nozzle & Hose, necessary three way ball valve and fittings 3. Master Pressure Gauge/ indicating instruments at down stream of Mass Flow Meter. 4. Safety valve & vent valve with necessary tube and fittings etc.

7.7 ELECTRICAL SPECIFICATION

It is not intended to cover all aspects of design but to indicate the basic requirements only. Vendor shall ensure that the design and installation is carried out as per good engineering practice to meet the requirements of safety, reliability, ease of maintenance and operation, aesthetics and interchangeability of equipment.

The rated Voltage and frequency for the equipment shall be 230 V10 %, Single phase AC , 50 3 %.

7.7.1 CODES AND STANDARDS

7.7.1.1 All electrical equipment and complete package shall meet the requirement of relevant Publications and Codes

of Practice of Bureau of Indian Standards, statutory regulations and good engineering practices. Complete system must conform to the latest revisions of the following:

a. Indian Electricity Act and Rules framed there under. b. Fire Insurance Regulations. c. Petroleum Rules and any other regulations laid down by Chief Controller of Explosives. d. Regulations laid down by local statutory authorities and Electrical Inspectorate.

7.7.1.2 Vendor shall provide all assistance required for obtaining approvals from statutory authorities for materials, plant design/drawings and complete installation.

7.7.1.3 Where Indian Standards do not exist, the relevant IEC/British/ German (VDE) standards shall apply. Any

Other international standard may also be followed provided it is equivalent to or more stringent than the standards specified above.

7.7.1.4 In case of any discrepancy/conflict between the specified codes and standards, Owner’s confirmation shall be

sought before considering of any decision for execution of work.

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 15 of 28

7.7.2 AREA CLASSIFICATION AND EQUIPMENT SELECTION 7.7.2.1 In case of storage, handling or processing of flammable materials within the battery limits of the package,

area classification shall be carried out in line with IS: 5572 & Petroleum Rules and 0ISD-179 guidelines where applicable.

7.7.2.2 Selection of the type of equipment for use in hazardous areas shall be done in accordance with IS: 5571 and

other safety regulations as applicable. The electrical equipment shall meet the requirements of relevant IS, IEC or NEC standards. Increased safety type Ex (e) equipment shall not be permitted for use in Zone-1 areas. For Zone-2 areas, Increased safety type Ex (e) or Non-Sparking Type Ex (n) equipment shall be provided as a minimum, subject to the same being acceptable to statutory authorities. Ordinary safe area type electrical equipment shall not be used in Zone-2 areas (even though this may be permitted by NEC for Div.2 areas).

7.7.2.3 Electrical equipment for hazardous areas shall be certified by CMRI and approved by CCOE (or equivalent

statutory authority of the country of origin) for installation and use in the specified hazardous area. Flameproof equipment of indigenous origin shall be BIS marked. Vendor shall furnish the necessary certificates indicating such approvals.

7.7.2.4 All the electrical and electronic component shall be in flame/explosion proof housing suitable for area

classification: Hazardous area, Class 1, Division 1, Group D as per NEC or Class 1, Zone 1, Group IIA/IIB as per IS/IEC, Temperature Class T3, and completely enclosed in a securely lockable dispenser cabinet. No component of the dispenser shall be installed outside the cabinet.

Certificate from recognized agency to the effect is required to be produced that equipment supplied and/or installed conforms to above area classification.

7.7.3 EQUIPMENT SPECIFICATIONS

7.7.3.1 All equipment shall be complete with all necessary weather protection including tropicalization to prevent damage due to climate, dust and corrosive vapours. The enclosure protection of all equipments shall be IP: 55 as per IEC specifications.

7.7.3.2 Vendor shall be responsible for any damage to the equipment during transit. All packages shall be clearly, legibly and durably marked with uniform block letters giving the relevant equipment material details. Each package shall contain a packing list in a waterproof envelope.

7.7.3.3 All electrical components and equipment shall be sized to suit the maximum load under the most severe

operating conditions. 7.7.3.4 All electrical equipments shall be supplied with double-compression cable glands, made of nickel-plated

brass, tested and certified to use in zone-1, hazardous area. 7.7.3.5 Although the supply is being arranged through UPS System, but in some remote occasions, the power supply

may be from DG sets with poor regulations and thus power supply available from Client may contain harmonics, transients and surges etc. The Electronics shall be compatible to the supply system as no transient, surge or harmonics protection has to be provided by Client. Bidder to include suitable voltage protection device/ conditioning unit / voltage stabilizer, as required, in their scope for accurate and safe operation of dispenser.

7.7.3.6 We have envisaged solid earthing for the system. However, if specific earthing is required for the system -

electronics, the same to be highlighted by bidder; otherwise the successful bidder shall provide system earthing including making of earth-pits etc..

7.7.3.7 Name of the manufacturer, type of enclosure protection and certificate no. with name of testing/Certifying agency shall be furnished with bids / for approval

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 16 of 28

7.8 PIPE WORK, VALVES AND FITTINGS:

Pipe work should be designed, tested and installed to ensure its safe operation at the worst conceivable conditions of flow, pressure and temperature. All tube fitting and pipefitting shall be leak. proof All the SS fittings shall be double compression ferrule fittings.

All high-pressure tubing work should be of ( ½ ”OD SS for car and ¾” OD SS for bus ) fully annealed

(Bright annealed ) seamless conforming to ASTM 316. The piping/tubing, valves, fittings shall be of Parker, sandvik, Whitey, Cajon, Nupro, Swagelok, Hoke & Dk-Lok make. The system should be “go-no-go” gaugeable to demonstrate that fittings are properly tightened. Wherever possible valves and control devices should incorporate the same end connector system. The number of fittings used should be minimised. The Supplier should ensure that personnel assembling the pipe work should be competent in the system employed.

The preferred valve types for isolation are ¼” turn ball valves. Such valves have similar material to the tube they are attached to. Ball valves must be of good quality and be appropriately selected frequency of use. Ball seats must be suitable for natural gas operation of the gas composition indicated.

Valves and fittings subject to corrosion must be either inherently resistant, or be coated with a corrosion inhibiting paint or surface treatment.

8.0 HAZARDOUS AREA The Supplier should specify the hazardous area in accordance with the IS 5572 / Australian Refuelling

Standard AG901 / NZS5425. All electrical equipment cabling and earthing should be appropriate for the zone in which it is fitted, and all

cables passing from the hazardous to safe area should be equipped with appropriate kg/cm2riers where necessary.

All Instruments should be suitable for an area classification of “Class 1, Group D, Division 1 as per NEC” OR “Zone 1, Group IIA /IIB as per IS/ IEC”. All dispenser mounted transmitters & temperature element should be intrinsic safe "exia" as per IEC 79 latest version and solenoid valves, switches and related junction boxes should be flame proof “D" as per IEC 79 latest version. Other special equipment's/instruments, where intrinsic safety is not feasible or available, should be flame proof as per IEC 79-1 latest version. A complete dossier of all electrical equipment will be provided, showing area classification and certification of equipment

9.0 CALIBRATION & CERTIFICATION: Mass flow meter, instrument gauges, etc should be calibrated and such calibration certificates should be

presented upon at the time of delivery to site. If any of the calibration certificates is not in order, the Supplier’s should replace the affected equipment with valid certificate at Supplier cost. Documentation and obtaining statutory approvals from the country of origin is in Vendor’s scope. The offered Dispenser Model and Mass Flow Meter must be approved and certified for specified flow & accuracy by recognized authority, i.e, ”Weights and Measures” or other statutory authorities ( of the Country of Origin. Vendor should also get the Dispenser Model & Mass Flow Meter certified from Weights and Measures, India.(Ministry of Consumer) . The Calibrator Master Meter for calibration purpose must also be certified from Weights and Measures, Country of origin or other statutory authorities (such as PTB, NMI, PISGAR, CEESI etc). The offered Dispenser Model must be approved from Chief Controller of Explosive (CCOE) Nagpur as per Gas Cylinder Rules, 2004.

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 17 of 28

All the certificates(s) shall be in English language or in the language of originating country along with English translation.

10.0 INSPECTION AND TESTING Inspection will be done by client/ consultant in the works of vendor as per the approved QAP.

10.1 At Vendor's Works

All the dispensers shall subjected to Inspection (“Stagewise” if required by Client) by Client's or their Authorised Representative.

10.2 The following activities shall be covered under inspection:

a) Review of Q.A. documents. b) Review of calibration certificates for Mass Flow Meter, dispenser, pressure transmitters,

pressure gauges and all instruments. c) Review of all statutory certificates including W &M and CCOE certificate. d) Review of area classification compatibility of all items including bought out items. e) Review of bought out sub-assemblies/major components, test/inspection certificates. f) Safety shutdown features as per technical specification. g) Automatically and immediately shut-off CNG supply due to abnormalities. h) Dimensional checks as per approved drawings and data sheets.

10.3 Functional Test

All the dispensers shall be tested to demonstrate the functioning of all the components and controls. The simulation test for all the Instrumentation shall also be carried out.

10.4 Performance Test

All the dispensers shall be performance tested for flow capacity, measuring accuracy and dispenser functioning with CNG or Nitrogen. Vendor shall arrange CNG or Nitrogen as required. Seat leakage test for the Valves and setting of safety valves shall be check.

10.5 During the shop test of dispenser, the dispenser flows capacity from inlet of dispenser to the outlet of filling nozzle is found below the specified capacity the dispenser shall stand rejected.

10.6 During factory inspection & testing vendor shall do the calibration / set point check of all major

instruments including Mass Flow Meter and Valves.

10.7 During the shop testing if the dispenser batch accuracy is found beyond ± 1.5 % dispenser shall stand rejected.

10.8 In case, during the shop testing, the tests for dispenser performance to stabilize the flow

capacity, calibration / set point check of all major instruments & batch accuracy can not be done, then same shall be executed during site performance test. The dispensers shall be accepted based on the satisfactory results of all the parameters as per tender.

1.0 DISPENSER PERFORMANCE

The vendor shall guarantee the satisfactory performance of each dispenser as per the operating parameters indicated in data sheets. The dispensers shall be performance tested after installation at site by vendor. Vendor shall carry out tests as required by Govt. Statutory Agencies. Guaranteed performance for Dispensers shall be as follows:

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 18 of 28

1. Capacity of the car dispenser shall be 15 kg/min and that of bus dispenser shall be 75 kg/min. with design case gas composition, temperature of 550 C with no negative tolerance for errors in instruments and measurements.

2. Batch Accuracy of ±1.5 % or better. The Mass Flow Meter Accuracy shall be + 0.5% (inclusive of

linearity, hysteresis & Repeatability error) and the Repeatability will be + 0.3 % or better.

In case above guaranteed parameters are not achieved at site, vendor shall carryout necessary rectification/modification to achieve the guaranteed parameters, without cost & time implication to the purchaser.

11.1 Commissioning at Site:

All the dispensers have to be tested for functioning & performance by vendor in presence of Client authorized representative. Any part or component, which is not functioning to the satisfaction of Client, shall be repaired or replaced by the vendor without cost & time implication to purchaser and performance test again carried out. Vendor has to execute performance test of all the dispensers after commissioning for accuracy, repeatability and safety parameters. Vendor to make all arrangements for carrying out performance test viz. Std. Mass Flow Meter, Laptop etc. Vendor shall carry out tests as required by Govt. statutory agencies.

11.2 Demonstration of Overfill Protection:

Vendor shall demonstrate the Overfill protection at site and it shall be through electronically programmed so that the hose has to terminate the fill after 200 Kg/cm²g. The performance of 2 nos. transducers or one transducer with one pressure micro switch per hose and the Pressure relief valve shall be to be monitored to avoid overfilling. Relief valve set pressure shall be checked after final installation and demonstrate during trial run of dispenser.

Calibration certificate for all instruments shall be provided at the time of inspection.

12.0 TECHNICAL SUPPORT

The Supplier’s should be responsible to maintain a workshop / warehouse and a team of competent technical support personnel in India to rectify and trouble shoot the problems encountered during the operations of the CNG dispenser.

Upon receiving a call from the Company’s, the Supplier is expected to response within a 4 hour from the time of call during an emergency situation. During normal maintenance situation, the Company expects the Supplier to response at the earliest from the time of call.

13.0 TRAINING REQUIREMENTS

The training program should be phased to suit the construction program such that the Client’s personnel are fully conversant with all aspects of the operations and maintenance of the overall system including all aspects of operations, including operation, maintenance CNG, of the overall system. The duration of training will be define in the MR specification. Commissioning will not be deemed to have completed and formal acceptance will not be granted until training has been completed to the satisfaction of the Company’s.

The training program should cover but not limited to the following subject areas:

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 19 of 28

- The physical characteristics of the gas and the procedure and precautions to be observed in handling and control.

- Start-up, operations and maintenance procedures for the CNG dispenser and equipment - Filling Procedure, safety and preventive daily maintenance. - CNG system management

14.0 PACKAGING:

The dispensers shall be packaged to withstand rough handling during ocean shipment and in-land journey. It shall be vendor's responsibility to make good any deterioration that occurs during shipment. Sling points shall be clearly indicated on crates.

15.0 DATA AND DRAWING DETAIL

Vendor shall furnish all the documents as per “Vendor Data Requirements” enclosed with Material Requisition. All the other documents as per Technical specification and the documents required for better understanding and execution of the job to be supplied by the Vendor.

Certificates from statutory authorities confirming suitability of design / construction of all electrical and electronic items for use in hazardous area classification. In case of foreign supply, the Vendor should get all certificates endorsed by office of Chief Controller of Explosives (CCOE), Govt. of India within one month of delivery of dispensers at site. After the placement of FOI, a kick off meeting will be held between Vendor and Client / Consultant to discuss / clarify various requirements of project and finalize the modus operandi for execution of the contract within the scheduled time as specified in contract

Along with the bid the following information is to be provided by the Vendor:

1. Process and instrument diagram along with Bill of Material. The Bill of Material should indicate all items, quantity of all items installed per dispenser, their part number and make.

2. General arrangement drawing of the dispenser giving overall dimensions and erection / shipping weight. Duly

filled data sheets of major instruments, Mass Flow Meter, Dispenser etc. 3. Typical cross sectional drawing and literature to fully describe the details of all major components such as

valves, spring loaded regulator, data sheet indicating material of tube, tube size etc. 4. List of commissioning spares per dispenser. 5. List of special tools & tackles required for installation & maintenance of dispenser. 6. Leaflets/catalogues for all major items. 7. Factory test procedure. 8. Maintenance schedule of the dispenser along with list of Spares for O&M during warranty period. 9. Electrical single line diagram. A complete electrical dossier and zone drawings of the dispenser, all

certification for all components used within the hazardous areas should be provided 10. Deviation sheet as per Table provided.

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 20 of 28

Vendor shall provide following documents within four weeks from date of Purchase Order.

1. General arrangement drawing of the dispenser giving overall dimension and erection / shipping weight. 2. Detailed foundation drawing of the dispenser for casting foundation giving load pattern etc. 3. Details of inlet gas termination including X,Y,Z co-ordinates with respect to centre of dispenser or any

reference. 4. Training schedule with contents.

Vendor shall provide following documents along with supply.

1. Operation and maintenance manuals – 3 sets all in original for each dispenser. The instruction manual

should describe in details the construction and recommended procedure for maintaining, operating and trouble shooting of the dispenser should also include cross-sectional drawings, exploded views of all spare parts along with part nos., quantity installed per dispenser. The manual should provide detailed catalogues of all bought out items.

2. Mechanical and electrical installation drawing including interconnection and wiring diagram. 3. Test certificates and catalogues of all major components like valves, mass flow meter, tubing etc. 4. Calibration certificates for all measuring and protection devices ( eg. Mass flow meter, pressure transducer,

and pressure gauges). 5. Test records of mechanical running, performance test. 6. Complete wiring diagram of internal wiring of dispenser. 7. Software (logic diagram) of dispensers on CD-ROM with suitable communication Protocol for

communication with dispenser in order to change dispenser parameters if required. 16.0 DATA SHEETS

Vendor shall furnish all the filled data sheets for the approval of Consultant / Client. Vendor shall clearly indicate deviation if any in the respective data sheet.

Mass Flow Meters Data sheets of Solenoid Valve Data sheets of Car Dispenser Data Sheet of Bus Dispenser

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 21 of 28

16.1 MASS FLOW METERS

GENERAL 1. Tag No. * 2. Service * 4. Line Size & Schedule * STD

HAZ. LOC 5. Electrical Area Classification IEC Zone 2 Gr IIA,IIB

SENSOR UNIT

6. Type Coriolis 7. Function Massflow 8. Connection Size | Rating, * * Facing & Finish RF 125AARH

9. Body Material 316SS 10. Sensor Housing Material leads SS Hermatically Sealed 11. Sensor/Wetted Parts Material 316SS 12. Enclosure WP to IP 65 13. Intrinsic Safety Required 14. Range Min | Max Kg/h * * 15. Accuracy ±0.5% flow rate 16. Conduit Connection ½” NPTF 17. Jacketing Required

TRANSMITTER

18. Function Transmit 19. Load Driving Capability in ohms 600 20. Output Type Signal / Protocol * 21. Enclosure FLAMEPROOF + WP 22. Intrinsic Safety Required 23. Power Supply * 24. Conduit connection ½” NPTF 25. Mounting Location * 26. Max. Distance Allowable

Sensor To Transmitter * Tx To Control Room Receiver *

27. Power Consumption in Watts *

FLUID DATA

28. Fluid | State CNG GAS 29. Flow: Min | Nor | Max Kg/h As per Tech spec 30. Pressure: Operating: Maximum Kg/cm2(g) As per TS 31. Temp Operating | Maximum 0C As per MR 32. Operating Relative Density 33. Relative Molecular Mass 34. Operating Viscosity cP 35. Maximum Allowable Press Drop Kg/cm2

OPTIONS

36. Filter | Mesh Size 37. Mounting Brackets Required 38. Inter Connecting Cables Required 39. Cable Glands | Size Required 40. Switch | Type

Contact Rating 41. Accessories for Hot Tap

OTHERS 42. Manufacturer * 43. Model No. Meter * 44. Converter *

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 22 of 28

16.2 DATA SHEET OF SOLENOID VALVE

Solenoid Valves

Units: Flow -> Liquid – Gas Kg/Hr; Temperature-> oC ; Level /Length- mm ; Pressure-> Kg/cm2

General 1 Tag No. 2 Line No. 3 Line Size & Sch. 4 Service

Valve 5 No. of ways 6 Size – Body Port 7 End Connection 8 Material Body 9 Trim 10 Body Rating 11 Operating mode NC/NO/Univ. 12 Packing & Enclosure

Electrical 16 Area Classification 17 Cable Entry 18 Type. Of Energisation Dropout 19 Power Supply 20 Power Consumption VA/W 21 Inrush Current 22 Insulation Class

23 Voltage – Energising – Dropout

Options 25 Manual reset 26 Latching on Energ./De-Energ. 27 Bug screen for vent port 28 Intrinsically safe

Service Conditions

31 Fluid 32 Press. Open / Max. 33 Temperature C-Open/ Max 34 Maximum Flow 35 S.G. at open Temp. Mol. Wt. 36 Viscosity mPa.s (cp) 37 Allowable Press Frop 38 Del. P Shut Off 39 Valve CV

42 Model No.

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MECON LIMITED

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 23 of 28

16.3 DATA SHEET OF CAR DISPENSERS

1 GENERAL 2 SERVICE DISPENSER FOR CNG STATIONS

3 MODEL NO.: 4 FRAME MATERIAL STAINLESS STEEL 304 NO. REQD.: AS PER PR/SOR

5 DISPENSER CONFIGURATION: DUAL HOSE 6 MASS FLOW METER : 7 □ MANUFACTURER : 8 □ PLACE OF MANUFACTURE : 9 ■ No OF LINES: : Three.

10 ■POWER REQUIREMENTS: SINGLE PHASE AC 230 V ±10%, 50 HZ ± 3%.

□ POWER CONSUMPTION:

11 ■ INLET GAS PRESSURE:255 kg/cm2 (g)

■ FILL PRESSURE: 200 kg/cm2 (g)

12 ■ METERING: CORRIOLIS MASS FLOW WITH INTEGRAL DISPLAY

■ FLOWRATE: Max :15/ Kg/Min. Nom : 9kg/min, Min : 2.5 kg/min.

13 ■ TEMPERATURE RANGE: (-) 10°C to 70°C 14 ■ TUBE PRESSURE RATING 5000psi 15 ■ FILL NOZZLE TYPE: NGV1 Type2

Class A in one arm with adopter (NGV to NZS) /NZS type in second arm

■ FILL VALVE TYPE: 3-way Valve

16 ■ BREAKAWAY COUPLING: YES ■ COUPLING SIZE: 3/8” 17 ■ VENT RETURN COUPLING:YES ■ COUPLING SIZE: 1/8” 18 ■ FILL HOSE TYPE: TWIN ■ FILL HOSE SIZE: 3/8” 19 ■ FILL HOSE LENGTH:

MINIMUM 4.0M ■ MAX BURST PRESSURE: FOUR TIMES TO THE WORKING PRESSURE

20 ■ SOLENOID / PNEUMATIC VALVE: YES

■ EMERGENCY SHUTDOWN BUTTON (ESD): REQUIRED

21 ■ HOSE RETRACTOR: YES 22 ■ CAPTURED VENT: YES 23 ■ TEMPERATURE COMPENSATION: YES (Selectable) 24 EARTH QUAKE ZONE III WIND VELOCITY (KM/HR) (MAX) 25 INSTALLATION: ■ OUTDOOR 26 ■ MOUNTED ON A FOURECOURET, 27 ■ ELECTRICAL AREA HAZARD: 28 CLASS/ZONE: CLASS I ZONE I DIVISION: I GAS GROUP: D, GROUP IIA, IIB 29 APPLICABLE CODES AND STANDARDS 30 DISPENSER APPROVALS: AS PER APPLICABLE

STANDARD TUBING: STAINLESS STEEL

31 ■ VALVE PRESSURE TEST: IF USED 32 UTILITIES DATA 33 ■ Electricity: AC230V± 10%, 1 pH, 50Hz± 3% 34 Solenoid Valves: A.C/D.C V Ph Hz 35 Electronic PCBs: A.C/D.C V Ph Hz 36 Mass Flow meters A.C/D.C V Ph Hz

Electrical connection (Cable gland to be provided by the vendor for 2.5mm2 x3 Cable) :

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 24 of 28

37 □ Total Consumption 38 Solenoid Valves:(Watts) 39 Electronic PCBs (Watts) 40 Mass Flow meters: (Watts)

41 ■ MATERIALS 42 Component Materials 43 Solenoid Valve Brass 44 Spring Loaded

Regulator Brass

45 Pneumatic Valve SS 46 2-way Isolation

Valve SS

47 3-way filling valve

SS

48 Coalescing Filter SS / BRASS 49 Tube 3/8” SS 50 Bleed Valves SS 51 INSPECTION AND TESTS 52 Material Composition and Physical Properties Certificates Required For: 53 ■ Solenoid Valve ■ Spring Loaded Regulator 54 ■ Tube ■ Hose 55 □ Coalescing Filter □ Bleed Valve 56 Required Observed Witnessed 57 ■ Shop inspection by Purchaser during

manufacture ■ □ ■

58 ■ Functional/Tests ■ □ ■ 59 ■Field performance test for 4 hrs and

Field Trial Run 72 Hrs. Under Vendor's Supervision (Dispenser)

■ □ ■

60 □ WEIGHTS 61 Overall supply (including, all components and packing crate) Kg. approx. 62 Maximum erection weight Kg. Approx. 63 SCOPE OF SUPPLY 64 ■ Dispenser Assembly complete. 65 ■ Vendor Data as specified

NOTE : a) Fill checklist for completeness of the Scope of Supply. b) The Specific Conductivity of Filling Hose must be specified. c) All necessary software with licence for dispenser electronics and mass flow meter shall be provided.

Necessary converter with connecting cables for downloading the data into client’s Laptop shall also be provided.

d) Two nos of holster/cradle for filling nozzles along with weather caps for the protection of nozzles. Holster / cradle shall be suitable for NGV/NZS Nozzles.

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 25 of 28

16.4 DATA SHEET FOR BUS DISPENSERS 1 GENERAL 2 SERVICE DISPENSER FOR CNG STATIONS 3 MODEL NO. 4 FRAME MATERIAL STAINLESS STEEL 304 NO. REQD. As per PR/SOR 5 DISPENSER CONFIGURATION SINGLE HOSE 6 MASS FLOW METER 7 □ MANUFACTURER 8 □ PLACE OF MANUFACTURE: 9 ■ No OF LINES: One 10 ■ POWER REQUIREMENTS:

SINGLE PHASE AC 230 V ±10 %, 50 HZ ± 3%.

□ POWER CONSUMPTION:

11 ■ INLET GAS PRESSURE:255 kg/cm2 (g)

■ FILL PRESSURE: 200 kg/cm2 (g)

12 ■ METERING: CORRIOLIS MASS FLOW WITH INTEGRAL DISPLAY

■ FLOWRATE: Max :75/ Kg/Min. Nom: 40kg/min, Min : 10 kg/min.

13 ■ TEMPERATURE RANGE: (-) 10°C to 70°C 14 ■ TUBE PRESSURE RATING 5000psi 15 ■ FILL NOZZLE TYPE: Sherex

CT5000 ■ FILL VALVE TYPE: 3-way Valve

16 ■BREAKAWAY COUPLING: YES ■ COUPLING SIZE: 3/8”17 ■VENT RETURN COUPLING:YES ■ COUPLING SIZE: 1/8” 18 ■ FILL HOSE TYPE: SINGLE ■ FILL HOSE SIZE: 3/8”19 ■ FILL HOSE LENGTH:

MINIMUM 4.0 M ■ MAX BURST PRESSURE: FOUR TIMES TO THE WORKING PRESSURE

20 ■SOLENOID/PNEUMATIC VALVE: YES

■ EMERGENCY SHUTDOWN BUTTON (ESD):REQUIRED

21 ■ HOSE RETRACTOR: YES 22 ■ CAPTURED VENT: YES 23 ■ TEMPERATURE COMPENSATION: YES (Selectable) 24 EARTH QUAKE ZONE III WIND VELOCITY (KM/HR) (MAX) 25 INSTALLATION: ■ OUTDOOR 26 ■ MOUNTED ON A FOURECOURET, 27 ■ ELECTRICAL AREA HAZARD: 28 CLASS/ZONE: CLASS I ZONE I DIVISION: I GAS GROUP: D, GROUP IIA, IIB 29 APPLICABLE CODES AND STANDARDS 30 DISPENSER APPROVALS: AS PER APPLICABLE

STANDARD TUBING: STAINLESS STEEL 3/8”

31 ■ VALVE PRESSURE TEST: IF USED 32 UTILITIES DATA 33 ■ Electricity: AC 230V± 25%, 1 pH, 50Hz± 3% 34 Solenoid Valves: A.C/D.C V Ph Hz 35 Electronic PCBs: A.C/D.C V Ph Hz 36 Mass Flow meters A.C/D.C V Ph Hz

Electrical connection (Cable gland to be provided by the vendor for 2.5mm2 x3 Cable) : 37 □ Total Consumption 38 Solenoid Valves:(Watts) 39 Electronic PCBs (Watts) 40 Mass Flow meters: (Watts)

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ELECT. & INST.

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SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 26 of 28

41 ■ MATERIALS 42 Component Materials 43 Solenoid Valve Brass 44 Spring Loaded

Regulator Brass

45 Pneumatic Valve

SS

46 2-way Isolation Valve

SS

47 3-way filling valve

SS

48 Coalescing Filter

SS / BRASS

49 Tube 3/8” SS 50 Bleed Valves SS 51 INSPECTION AND TESTS 52 Material Composition and Physical Properties Certificates Required For: 53 ■ Solenoid Valve ■ Spring Loaded Regulator 54 ■ Tube ■ Hose 55 □ Coalescing Filter □ Bleed Valve 56 Required Observed Witnessed 57 ■ Shop inspection by Purchaser during

manufacture ■ □ ■

58 ■ Functional/Tests ■ □ ■ 59 ■ Field performance test for 4 hrs and

Field Trial Run 72 Hrs. Under Vendor's Supervision (Dispenser))

■ □ ■

60 □ WEIGHTS 61 Overall supply (including, all components and packing crate) Kg. Approx. 62 Maximum erection weight Kg. approx. 63 SCOPE OF SUPPLY 64 ■ Dispenser Assembly complete. 65 ■ Vendor Data as specified

NOTE : a) Refer checklist for scope of supply b) Specific Conductivity of Filling Hose must be specified. c) All necessary software with licence for dispenser electronics and mass flow meter shall be provided. Necessary converter with connecting cables for downloading the data into client’s Laptop shall also be provided. d) Two nos of holster/cradle for filling nozzles along with weather caps for the protection of nozzles. Holster / cradle shall be suitable for Sherex CT-5000 Nozzles.

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TECHNICAL SPECIFICATION OF CNG DISPENSERS

ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 27 of 28

DATA SHEET OF DUAL CAR & BUS DISPENSERS

1 GENERAL 2 SERVICE DISPENSER FOR CNG STATIONS

3 MODEL NO.: 4 FRAME MATERIAL STAINLESS STEEL 304 NO. REQD.: AS PER PR/SOR

5 DISPENSER CONFIGURATION: DUAL HOSE (One for Car & One for bus) 6 MASS FLOW METER : 7 □ MANUFACTURER : 8 □ PLACE OF MANUFACTURE : 9 ■ No OF LINES: : Three bank

10 ■POWER REQUIREMENTS: SINGLE PHASE AC 230 V ±10%, 50 HZ ± 3%.

□ POWER CONSUMPTION:

11 ■ INLET GAS PRESSURE:255 kg/cm2 (g)

■ FILL PRESSURE: 200 kg/cm2 (g)

12 ■ METERING: CORRIOLIS MASS FLOW WITH INTEGRAL DISPLAY FOR EACH Car & Bus

■ FLOWRATE: Max :15/ Kg/Min. Nom : 9kg/min, Min : 2.5 kg/min (CAR) & 75/ Kg/Min. Nom: 40kg/min, Min : 10 kg/min (BUS)

13 ■ TEMPERATURE RANGE: (-) 10°C to 70°C 14 ■ TUBE PRESSURE RATING 5000psi 15 ■ FILL NOZZLE TYPE: Sherex CT

5000 in one arm/ NGV 1 type 2 with adaptor of NZS type in second arm

■ FILL VALVE TYPE: 3-way Valve

16 ■ BREAKAWAY COUPLING: YES ■ COUPLING SIZE: 3/8” 17 ■ VENT RETURN COUPLING:YES ■ COUPLING SIZE: 1/8” 18 ■ FILL HOSE TYPE: TWIN ■ FILL HOSE SIZE: 3/8” 19 ■ FILL HOSE LENGTH:

MINIMUM 4.0M ■ MAX BURST PRESSURE: FOUR TIMES TO THE WORKING PRESSURE

20 ■ SOLENOID / PNEUMATIC VALVE: YES

■ EMERGENCY SHUTDOWN BUTTON (ESD): REQUIRED

21 ■ HOSE RETRACTOR: YES 22 ■ CAPTURED VENT: YES 23 ■ TEMPERATURE COMPENSATION: YES (Selectable) 24 EARTH QUAKE ZONE III WIND VELOCITY (KM/HR) (MAX) 25 INSTALLATION: ■ OUTDOOR 26 ■ MOUNTED ON A FOURECOURET, 27 ■ ELECTRICAL AREA HAZARD: 28 CLASS/ZONE: CLASS I ZONE I DIVISION: I GAS GROUP: D, GROUP IIA, IIB 29 APPLICABLE CODES AND STANDARDS 30 DISPENSER APPROVALS: AS PER APPLICABLE

STANDARD TUBING: STAINLESS STEEL

31 ■ VALVE PRESSURE TEST: IF USED 32 UTILITIES DATA 33 ■ Electricity: AC230V± 10%, 1 pH, 50Hz± 3% 34 Solenoid Valves: A.C/D.C V Ph Hz 35 Electronic PCBs: A.C/D.C V Ph Hz 36 Mass Flow meters A.C/D.C V Ph Hz

Electrical connection (Cable gland to be provided by the vendor for 2.5mm2 x3 Cable) : 37 □ Total Consumption 38 Solenoid Valves:(Watts)

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ELECT. & INST.

SECTION

SPECIFICATION No. : MEC / TS / 05 / E5 / CNG/ 033

Rev. 4 Page 28 of 28

39 Electronic PCBs (Watts) 40 Mass Flow meters: (Watts)

41 ■ MATERIALS 42 Component Materials 43 Solenoid Valve Brass 44 Spring Loaded

Regulator Brass

45 Pneumatic Valve SS 46 2-way Isolation

Valve SS

47 3-way filling valve

SS

48 Coalescing Filter SS / BRASS 49 Tube 3/8” SS 50 Bleed Valves SS 51 INSPECTION AND TESTS 52 Material Composition and Physical Properties Certificates Required For: 53 ■ Solenoid Valve ■ Spring Loaded Regulator 54 ■ Tube ■ Hose 55 □ Coalescing Filter □ Bleed Valve 56 Required Observed Witnessed 57 ■ Shop inspection by Purchaser during

manufacture ■ □ ■

58 ■ Functional/Tests ■ □ ■ 59 ■Field performance test for 4 hrs and

Field Trial Run 72 Hrs. Under Vendor's Supervision (Dispenser)

■ □ ■

60 □ WEIGHTS 61 Overall supply (including, all components and packing crate) Kg. approx. 62 Maximum erection weight Kg. Approx. 63 SCOPE OF SUPPLY 64 ■ Dispenser Assembly complete. 65 ■ Vendor Data as specified

NOTE : a) Fill checklist for completeness of the Scope of Supply. b) The Specific Conductivity of Filling Hose must be specified. c) All necessary software with licence for dispenser electronics and mass flow meter shall be provided.

Necessary converter with connecting cables for downloading the data into client’s Laptop shall also be provided.

d) Two nos of holster/cradle for filling nozzles along with weather caps for the protection of nozzles. Holster / cradle shall be suitable for both Sherex CT-5000 and NGV/NZS Nozzles.

Page 52: Draft vol. ii

Page 1of 2

CLIENT : M/s TRIPURA NATURAL GAS COMPANY LIMITED

CONTRACTOR PROJECT : CNG & CITY GAS DISTRIBUTION

FOR TRIPURA

ORDER NO. & DATE PACKAGE NO. 033

SUB-CONTRACTOR __

ORDER NO. & DATE __

QUALITY ASSURANCE PLAN

FOR DISPENSER

PACKAGE NAME CNG DISPENSERS

INSTRUCTIONS FOR FILLING UP : 1. QAP shall be submitted for each of the equipment

separately with break up of assembly/sub-assembly & part/component or for group of equipment having same specification.

2. Use numerical codes as indicated for extent of inspection & tests and submission of test certificates & documents. Additional codes & description for extent of inspection & tests may be added as applicable for the plant and equipment

3. Separate identification number with quantity for equipment shall be indicated wherever equipment having same specifications belonging to different facilities are grouped together.

4. Weight in tonnes (T) must be indicated under column 5 for each item. Estimated weights may be indicated wherever actual weights are not available.

ABBREVIATIONS USED : CONTR : CONTRACTOR MFR : MANUFACTURER

CODES FOR EXTENT OF INSPECTION, TESTS, TEST CERTIFICATES & DOCUMENTS: Code Description Code Description Code Description Code Description DOCUMENTS:

1. Visual 12. Routine test as per relevant IS 23. Short time rating 35. Power Failur D1. Approved GA drawings 2. Dimensional other standard 24. Operational & functional 36. Failure of metering D2. Approved single line/ 3. Fitment & Alignment 13. Type test as per relevant IS/ check 37. Failure of Totalizer schematic diagram 4. Physical Test (Sample) other standard 25. Over Speed Test 38. Check for Single Bank D3. Approved data sheet 5. Chemical test 14. Impulse Test 26. Flame Proof Test System D4. Approved bill of 6. Ultrasonic Test 15. Partial Discharge Test 27. Clearance and creepage 39. Check for manual Shut Material 7. Magnetic Particle Test (MPT) 16. Heat run risc test\tempr. Distance off D5. Unpriced P.O. copy 8. Radiography Test 17. Enclosure Protection Test 28. Acceptance Test 40. Dispenser should D6. Calibration Certificate 9. Dye Penetration Test 18. Calibration 29. Leak Test Automaically stop in of all measuring 10. Measurement of IR Value 19. Noise & Vibration 30. Batch Accuracy Test case of failure instruments and gauges a) Before HV Test 20. Test certificates for bought 31. Running Test D7. W & M Certifiacte b) After HV Test out components 32. Flow Capacity Test from country of origin 11. High Voltage test/Dielectric 21. Tank Pressure Test 33. Pressure Test D8. CCOE approval

test 22. Paint shade verification 34. Calibration certificate. D9 Test certificate

E Q U I P M E N T D E T A I L S I N S P E C T I O N A N D T E S T S

Quantity Raw Material and inprocess stage

inspection Final Inspection/Test by

Sl. No.

Description Indentificatuin

No. No/M T

Manufacturer’s Name and Address

Expected schedule of Final Inspection

MFR CONTR MECON MFR CONTR MECON

Test Certificates & documents to be

submitted to MECON

Acceptance Criteria

Standards /IS/ BS/ASME/ Norms and Documents

REMARKS/ SAMPLING

PLAN

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

01 Dispenser

Frame

Refer MR Specification & Technical Specification

- - - 1,2,3,4,5 - - 1,2,3 - 1,2,3 D1, D2, D3

MR Specification & Technical Specification

Review of documents

02 Mass Flow

Meter

Refer MR Specification & Technical Specification

- - -

1,2,3,4,5,34

- - 1,2,3,4,34 - 1,2,3,4,34,36,20,24

D1, D2, D3 D4,D5,D7,D8,D9

AGA11, D6 & MR

Specification & Technical Specification

Review of documents

03 Actuator Valves Refer MR Specification &

Technical Specification

- - - 1,2,3,4,5,

29,31 - -

1,2,3,29, 31

- 1,2,3,29, 31,20,24

D3, D8,D9

D6 & MR Specification & Technical Specification

Review of documents

04 Filling Hose Refer MR Specification &

Technical Specification

- - - 1,2,3,4,5,

33 - - 1,2,3,33 -

1,2,3,33, 20,24

D1, D2, D3,D4, D6,D9

MR Specification & Technical Specification

Review of documents

05 Totalizer Refer MR Specification &

Technical Specification

- - - 1,2,3,40 - - 1,2,3,40 - 1,2,3,37,

40 D1, D2,

D3,D4,D6,D9

D6 & MR Specification & Technical Specification

Review of documents

Page 53: Draft vol. ii

Page 2of 2

06 Software Refer MR Specification &

Technical Specification

- - - 38 - - 38 - 38 D3

MR Specification & Technical Specification

100 % Witness

07 Pressure Gauge Refer MR Specification &

Technical Specification

- - - 1,2,3,4,5,

34 - - 1,2,3,34 -

1,2,3,34, 33,20,24

D1, D2, D3, D4, D6, D9

D6 & MR Specification & Technical Specification

Review of documents

08 Pressure

Transducer

Refer MR Specification & Technical Specification

- - -

1,2,3,4,5,34

- - 1,2,3,34 - 1,2,3,34,

20,24 D1, D2, D3, D4, D6,

D9

D6 & MR Specification & Technical Specification

Review of documents

09 Shut off Valves Refer MR Specification &

Technical Specification

- - - 1,2,3,4,5,

39 - - 1,2,3,39 -

1,2,3,39, 20,24

D1, D2, D3, D4, D6, D9

D6 & MR Specification & Technical Specification

Review of documents

10 Performance

Test

Refer MR Specification & Technical Specification

- - - 30, 32 - - 30, 32 - 30, 32 D4, D6, D7

D6, D7 & MR

Specification & Technical Specification

100 % Witness

11 Dispenser Response

Refer MR Specification & Technical Specification

- - -

19,20,22,35,36,37

- - 19,20,22,35,36,37

- 19,20,22, 35,36,37

D1, D3 , D6, D8

D6 & MR Specification & Technical Specification

100 % Witness

12 Inlet Filter Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4, D9

D6 & MR Specification & Technical Specification

Review of documents

13 Ball Valve Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4,D9

D6 & MR Specification & Technical Specification

Review of documents

14 Solenoid Valve Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4,D9

D6 & MR Specification & Technical Specification

Review of documents

15 Electrical Box. Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20 D1, D2, D4, D9

MR Specification & Technical Specification

Review of documents

16 Three way

Valve Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4,D9

D6 & MR Specification & Technical Specification

Review of documents

17 Needle Valve Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4,D9

D6 & MR Specification & Technical Specification

Review of documents

18 Electronic

Board/Card Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4,D9

MR Specification & Technical Specification

Review of documents

19 Display Card Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

24 D1, D2, D4

MR Specification & Technical Specification

Review of documents

20 Non Return

Valve Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20 D1, D2, D4,D9

D6 & MR Specification & Technical Specification

Review of documents

21 SS Tubes &

Fitting Refer MR Specification &

Technical Specification - - - 1,2,3,4 - - 1,2,3 - 1,2,3,20,

33,29 D1, D2, D4,D9

D6 & MR Specification & Technical Specification

Review of documents

MR NO.: MEC/05/E5/23MC/TNGCL/033 For MECON (Stamp & Signature) for CONTRACTOR SUB-CONTRACTOR (Stamp & Signature)

Q.A.P. NO. MEC/05/E5/23MC/TNGCL/QAP/033

REV. 0

Page 54: Draft vol. ii

ELECTRICAL

& INSTRUMENTATION SECTION

ANNUAL MAINTENANCE CONTRACT

FOR

CNG DISPENSERS

DOC NO. : MEC/05/E5/CNG/AMC-033

PREPARED AND ISSUED BY

MECON LIMITED (A Govt. of India Undertaking)

DELHI-110 092

Rev. : 2 Edition: 1

Page 55: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 2 of 9

TABLE OF CONTENTS

1.0 INTRODUCTION

2.0 GENERAL GUIDELINE & INFORMATION

3.0 REPATRIATION AND TERMINATION

4.0 INDEMNITY AGREEMENT

5.0 COMPENSATION FOR NON-FULFILLMENT OF OBLIGATION UNDER ANNUAL

MAINTENANCE CONTRACT & PENALTY

6.0 CONTRACTOR’S RESPONSIBILITY

7.0 EMPLOYMENT LIABILITY OF CONTRACTOR

8.0 GENERAL INSTRUCTION:

9.0 MAINTENANCE OF DISPENSER PACKAGES

2 24.03.2010 Modified & reissued

1 31.07.2006 Modified

0 14.07.2006 First Issue Pooja Vikas Jain Pankaj Shrivastava

Revision Date Description Prepared by Checked by Approved by

Page 56: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 3 of 9

1.0 INTRODUCTION:

The date of successful commissioning and performance test at site will considered date of start of the annual maintenance contract. The supplier must follow the ANNUAL MAINTENANCE REQUIREMENT as stated below but not limited to and ensure to provide trouble free services to the satisfaction of the owner

2.0 GENERAL GUIDELINE & INFORMATION:

The content of this clause will provide guidelines for the contractor for performing AMC during contract period.

2.1 Accommodation / Transportation / Medical:

The contractor shall make his own arrangement for the accommodation of his personnel at respective locations and subsequent transportation arrangement for them from their place of residence to work place or any other place as required and company shall have no obligation in this respect. The company shall not be responsible for providing any type of medical assistance to the contractor personnel during the period of contract.

2.2 Discipline:

The contractor shall be responsible for the discipline and good behaviour of all his personnel deployed in the services contracted out and should any complaint be received against any of his employee, he shall arrange to replace such persons within 24 hours of notice issued by the Engineer-in-Charge. The decision of the Engineer –in-Charge in this matter shall be final and binding on the contractor.

2.3 Gate pass/identity card

The contract shall arrange to supply / renew identity card to his workforce at his own cost, if so required by Client for security or for any other reasons. Those contractor’s personnel shall be required to carry and display their respective identity cards while on duty and produce on demand.

2.4 Right to get services carried out through other agencies

If the contractor fails to provide the said services any time, nothing contained herein shall restrict Client from accepting similar service through other agencies, at its discretion and at the risk and cost of the contractor.

2.5 Sub-letting of contract

No part of this contract nor any share or interest therein in any manner or extent, will be transferred or assigned or sub-let, directly or indirectly to any person/firm or organisation without prior permission of Client.

2.6 Compliance of laws

The contractor deploying 20(twenty) or more workmen as contract labour shall have to obtain license from appropriate licensing authority, if required. The contractor (which shall include the Contracting firm / company) shall be solely liable to obtain and to abide by all necessary licenses from the concerned authorities as provided under the various labour laws legislation’s including labour license from the competent authority under the Contract Labour (“Regulation & Abolition”) Act 1970 and Acts made thereafter.

The Contractor shall be responsible for necessary contributions towards PF, Family Pension, ESIC or any other statutory payments to Government Agencies as applicable under the laws in respect of the

Page 57: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 4 of 9

contract and personnel deployed by the contractor for rendering services to Client and shall deposit the required amount with the concerned statutory authorities on or before due dates. The contractor shall obtain a separate PF number from the concerned Regional Provident Fund Commissioner and submit necessary proof of having deposited the employees as well as the employer’s contribution to the Provident Fund.

The contractor shall not engage /deploy any person of less than 18 years under this contract and the persons to be deployed should be physically and mentally fit.

The installations where job is to be carried out are live and have hydrocarbon environment. Contractor shall comply with all safety and security rules and regulations and other rules laid down by Client for its operation. It shall be the duty/responsibility of the contractor to ensure the compliance of fire, safety, security and other maintenance rules and regulations by his personnel. Disregard to these rules by the contractor’s personnel will lead to the termination of the contract in all respects and shall face penal/legal consequences.

The contractor shall arrange for insurance of all his workers engaged on the job as per the relevant Acts, rules and regulations, etc. In case by virtue of provisions of worker’s compensation Act, 1923 or any other laws in force. Client has to pay compensation for a workman employed by the contractor due to any cause whatsoever the amount so paid shall be recovered from the dues payable to the contractor and /or security deposit.

2.7 The officer in charge shall have power to

i) Issue the contractor from time to time during the running of the contract such further instructions as shall be necessary for the purpose of proper and adequate execution of the contract and the contractor shall carry out and bound by the same.

ii) During the currency of this contract, Client can increase or decrease the number of the services / technicians to meet contractual requirements.

iii) Order the contractor to remove or replace any workman whom the company considers incompetent or unsuitable and opinion of the company representative as to the competence of any workman engaged by the contractor shall be final and binding on the contractor.

3.0 REPATRIATION AND TERMINATION

CLIENT shall reserves the right at any time during the currency of the contract, to terminate it by giving 30 days notice to contractor, and upon expiry of such notice period the contractor shall vacate the site/office occupied by him immediately.

4.0 INDEMNITY AGREEMENT

Contractor shall exclusively be liable for non-compliance of the provision of any act, laws, rules and regulations having bearing over engagement of workers directly or indirectly for execution of work and the contractor hereby undertake to indemnify the company against all actions, suits, proceedings, claims, damages demands, losses, etc. which may arise under minimum wages act, payment of wages act, workman compensation act, personnel injury (compensation insurance) act ESI Act, Fatal Accident Act, Industrial Dispute Act, Shops and Establishment Act, Employees Provident Fund Act, Family Pension and deposit Linked Insurance Scheme or any other act or statutes not herein specifically mentioned but having direct or indirect application for the persons engaged under this contract. (A certificate to this effect shall be submitted by the contractor immediately on receipt of LOA).

Page 58: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 5 of 9

5.0 COMPENSATION FOR NON-FULFILLMENT OF OBLIGATION UNDER ANNUAL

MAINTENANCE CONTRACT & PENALTY

5.1 During the one-year warranty period and 2-year post warrantee period the Contractor must ensure that the dispenser is performing required services as define in the contract documents well round the 24 hours a day & 365 days. During AMC services if dispensers break down any time then Client have right to impose penalty as defined in Contract.

5.2 Penalty: If the Contractor fails to provide the required services any time more than 6 hours & upto 12 hours, the contractor would be penalised Rs. 1000/ per day and for more than 12 hours for any day, compensation shall be imposed, which will be @Rs.100/- per hour per arm per dispenser. In any case the dispenser has to rectify within 24 hrs with all possible effort.

The day start will be considered from 0000 hrs for the calculation purpose. Contractor shall be allowed 24 hours downtime of the each arm of dispenser per month to carry out the periodic / scheduled / breakdown maintenance/ routine checking of dispenser package. This can be adjusted considering the penalty clause as define above only once in a month. In case Contractor has utilized less down time of the dispenser package than that allowed, the Contractor could carry forward only max unutilized 12 hours downtime to immediately next month.

In any case, the maximum penalty imposed in a month for non- performance of the equipment would be limited to 50 % of the amount of Maintenance charges to be paid to the contractor per month per dispenser.

A logbook for time record shall be maintained in the Central control room wherein the records shall be made for the time Dispenser develops trouble and the time at which the Contractor rectifies the same and Dispenser put back to service.

5.3 The penalty clause and maintenance charges will come into force immediately after successful performance test as defined in the tender.

5.4 In case of any complaint regarding non-fulfillment of any obligation under the contract, Client

reserves the right to withhold payment to the Contractor and out of such amount and the security deposit which may held, Client can make such payment as it may consider necessary for smooth and unhindered working of the contract.

6.0 CONTRACTOR’S RESPONSIBILITY Contractor shall depute a technically competent person for the maintenance services and to receive

instructions from Engineer-in-change or his representative. 7.0 EMPLOYMENT LIABILITY OF CONTRACTOR The contractor shall indemnify purchase & shall be solely and exclusively responsible for any

liability arising due to any difference or dispute between him and his employer for the execution of this contract at any time during/after the contract period is over. All workmen engaged by the contractor shall be on his roll and be paid by him and CLIENT shall have no responsibility towards them. The contractor shall ensure and will be solely responsible for payment of wages and other dues latest by 7th of the following month to the personnel deployed by him in the presence of the Company’s representative.

Page 59: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 6 of 9

The contractor shall be directly responsible and indemnify the company against all charges, claims,

dues etc. arising out of disputes relating to the dues and employment of personnel deployed by him. The contractor shall indemnify the company against all losses or damages caused to it on account of

acts of the personnel deployed by the contractor. The contractor shall ensure regular and effective supervision of the personnel deployed by him.

The contractor shall be liable for making good all damages/losses arising out of loss or theft of each handled, leakage, pilferage of any office, furniture equipment fitting and fixtures what-so-ever as may be caused directly or indirectly by the engaged persons through him/work carried out by them. During the period of the job, if the work progress does not commensurate with the time elapsed in respect of any person/persons engaged by the contractor; the contractor shall be liable to pay the compensation to the company as may be considered reasonable by the company.

8.0 GENERAL INSTRUCTION:

The maintenance services shall be provided as per Client’s requirement and to be finalized immediate after installation in consultation with Client / Consultant.

i) The contractor shall deploy adequate number of technicians / supervisors / Engineers / helpers as well as tools & equipment for smooth and proper maintenance of the dispensers supplied in terms of the contract. In case required to meet operational requirements, the contractor shall augment the same as per direction of Engineer –in-Charge.

ii) The contractor is required to carry out all services as mentioned in the Scope of Services and Schedule

of Rates on all the 365 days including Sunday and all Holiday & as per Client’s requirement. iii) The contractor shall allow weekly rest and daily working hours to his workmen as per the relevant

Act/Law/and Rule made there under. However, no work shall be left incomplete/unattended on any holiday/weekly rest. Technician/operators provided shall have minimum qualification of ITI. Contract in person or his authorized representative shall provide the services on daily basis to interact with Engineer-in-charge and deployed workman

iv) The work force deployed by the contractor for Maintenance services at CNG installation shall be of

sound relevant technical professional expertise, which is otherwise also essential from the safety point of view of the personnel of the contractor as well as for the installation.

v) Contractor has to ensure the safety of man and machine all the times. Damages of equipment due to negligence will be recovered as per the decision of Engineer-in-Charge, which will be final.

vi) Regarding work completion, the decision of the Engineer-in-Charge will be final and binding.

vii) The contractor shall make his own arrangements to provide all facilities like boarding and transport etc. to his workmen.

viii) All personnel of the contractor entering on work premises shall be properly and neatly dressed and shall wear uniform, Safety Shoe, badges while working on premises of the company including work sites.

Page 60: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 7 of 9

ix) Contractor shall maintain proper record of his working employee’s attendance and payment made to

them. The contractor’s representative/supervisor shall report daily to the Shift-in-Charge for day to day working.

x) All the safety rules and regulations prevailing and applicable from time to time at the installations as directed by Client and will be strictly adhered to by the contractor.

xi) The rates quoted by the Contractor must be inclusive of all the taxes, duties, services tax, work contract tax and any other levies, contractor’s share of P.F. and insurance charges, contractor’s profit and any other expenditure etc.

xii) It will be the responsibility of the contractor to pay as per the minimum wages of the appropriate government applicable under the Minimum Wage Act 1948.

xiii) The services shall be provided as per the Clients requirements. The contractor is responsible to provide effective and efficient services and assure that there is no disruption in the services for want of any resources.

xiv) For any complain regarding non-performance of dispenser can be communicated to Contractor for further necessary action at the earliest. For this purpose the Contractor has to inform the concern person with contact details such as Mobile no. , fax no. etc. / address (available 24 hr) to whom Client can inform any problem regarding dispenser for corrective action immediately. Further, the contractor shall deploy adequate number of technicians/ supervisors / engineers at various site offices if required in consultation with Engineer-in-Charge to provide trouble free maintenance of the dispensers.

xv) For any complain regarding non-performance of dispenser will be communicated to bidder for further necessary action at the earliest. For this purpose the bidder has to provide inform the concern person with contact details such as Mobile no. , fax no. etc. / address (available 24 hr) to whom client can inform any problem regarding dispenser for corrective action immediately.

xvi) All arrangements for communication from control room to the contract person working on job under the services shall be the responsibility of the contractor, viz. pagers / walky-talky.

xvii) The successful Contractor shall indemnify the company from any claim of the contract labour.

xviii) The Contractors / contractor who fail to furnish any proof in respect of separate PF Code/No of the concerned RPF Commissioner / Authority their bids shall be liable for rejection.

xix) All the jobs mentioned under scope of services shall be carried out as per sound engineering practices, work procedure documentation, recommendation of the manufacturer and as per the guidelines/direction of engineer-in-charge of authorised representative.

9.0 MAINTENANCE OF DISPENSER PACKAGES during one-year warranty period and post warranty period. (As applicable, refer respective SOR / Scope of Work in tender)

9.1 Scope of supply work during one year warranty period:

All consumables, man power, sealant etc. required for carrying out the maintenance of the complete

dispenser package during the warranty period, including periodic, breakdown maintenance for continuous and uninterrupted operation of the dispenser shall be in scope of the Contractor and the necessary spares (under warranty) shall be kept in stock. A consolidate list has to be provided during detailed engineering for such type of spare. All the damaged part has to be replaced with new within the stipulated time. Electricity shall be supplied free of cost to the Contractor.

Page 61: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 8 of 9

9.2 Scope of Supply work during post warranty period - AMC without spares:

Spare parts (out of the spare parts purchased for 2 years normal O&M period or mandatory spares) shall be supplied free of cost to the Contractor by owner. Any spare parts required during 2 year O&M service, which are not recommended by the Contractor in the list of “spares for 2 years normal O&M services” shall has to be supplied by Contractor free of cost. All the consumables, man power etc required for carrying out the maintenance of the complete dispenser package during the warranty period, and post warranty including periodic, breakdown maintenance for continuous and uninterrupted operation of the dispenser shall be in scope of the Contractor and shall be kept in stock. Electricity shall be supplied free of cost to the Contractor.

9.2.1 Scope of Supply during post warranty period - AMC with Spares: AMC with spares as define in SOR / price schedule means no spares will be supplied to Contractor during the period. All the spares, consumables, Man-power etc required for carrying out the maintenance of the complete dispenser package during post warranty period, including periodic, breakdown maintenance for continuous and uninterrupted operation of the dispenser shall be in scope of the Contractor and shall be kept in stock. Electricity shall be supplied free of cost to the Contractor.

9.3 Scope of services:

The Contractor shall have to keep all the spares, consumables, lubricants, etc required for carrying out periodic, breakdown, emergency maintenance etc of the package so as to minimize the down time of the dispenser. Non-availability of dispenser for non-availability of spares shall be liable for compensation.

9.3.1 All tools tackles and fixtures required for carrying out the above maintenance of the dispenser shall be

in scope of the Contractor. The scope will also include handling equipment required during the any maintenance activity.

9.3.2 Any expert services required from principal company or OEM has to be arranged by the supplier or

his agent at his own cost. All arrangements like phone, fax, computer, Internet etc required for correspondences with above personnel has to be arranged by the Contractor.

9.3.3 The periodic maintenance required to be done, as per OEM recommendation shall be taken up

promptly. The Contractor shall provide the detailed preventative maintenance schedule along with a) Estimated down time required for each type of maintenance schedule. b) List of spares and their quantities required for each type of maintenance schedule per

dispenser. c) Type and number of man-days required for each type of maintenance schedule per

dispenser. The Contractor shall plan such maintenance during non-peak hours and in consultation with the Engineer In Charge (EIC) of Client. Any maintenance that needs to be taken up shall be well planned in advance with due approval of the EIC.

9.3.4 The Contractor shall use only OEM’s certified spares during maintenance. In case, the schedule

maintenance of the OEM manual recommends check and replace parts like valve spring, valve seat etc after certain time interval, same shall be replaced or used further only on approval from Client

Page 62: Draft vol. ii

MECON LIMITED DELHI

ANNUAL MAINTENANCE CONTRACT

FOR CNG DISPENSERS

ELECT. & INST. SECTION

DOC NO. : MEC/05/E5/CNG/AMC-033

Rev. 2 Page 9 of 9

representative. However any unto ward consequences for non-replacement of such parts shall be the responsibility of the Contractor.

9.3.5 All routine and periodic checks / inspections required to be done as per OEM recommendation shall be

done by the Contractor. Instruments required for above inspection like vernier calliper, micrometer screw gauge, fill gauges, bore gauge etc shall be in scope of the Contractor and these instruments shall be calibrated every year.

9.3.6 All parts replaced by the Contractor during the above contract period shall be properly packed and

handed over to Client on replacement. 9.3.7 The supplier shall submit a copy of the daily / weekly / fortnightly / monthly / bimonthly / quarterly

and yearly performance report to the EIC in both soft and hard form. All stationery including the printed material shall be in scope of the Contractor.

9.3.8 All the maintenance / inspection job carried out by the Contractor shall be recorded and the report of

the same shall be jointly signed by Client representative. 9.3.9 The EIC will be final authority to take decision with regards to maintenance or replacement of parts or

any disagreement between the Contractor and Client, during the execution of the contract. 9.3.10 The Contractor shall carryout yearly calibration of all instruments such as pressure gauges,

transmitters, mass flow meters etc. In addition to the above all safety relief valves shall also be tested and calibrated every year. Calibration shall be done during AMC at site with the help of Master Meter / Calibrator instruments for Mass Flow Meter / Instruments in presence of client / consultant representative. The Master calibration Instruments except for Mass Flow Meter shall be arranged by the contractor. The Mass Flow Meter / Calibrator shall be certified / calibrated from the government approved laboratory and will be provided by the client. The periodic maintenance required to be done, as per OEM recommendation shall be taken up promptly. The Contractor shall plan such maintenance during non-peak hours and in consultation with the Engineer in Charge (EIC) of Client. Any maintenance that needs to be taken up shall be well planned in advance with due approval of the EIC. The scope shall include preparation of maintenance schedule for carrying out the maintenance during the contract period.

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