Schedule - B

Schedule - B Fire Detection & Protection System

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SECTION I - INTRODUCTION 1.01 GENERAL This Scope of Work and Technical Specification, Schedule - B and associated Project

Tender Drawings in Appendix I, which are part of this Contract, describe the specific Scope of Work that the Contractor is required to carry out on Lump Sum basis until the successful commissioning, completion and final acceptance of “Supply, Installation, Testing and Commissioning of Fire Detection and Protection System” to the satisfaction of the Engineer.

1.02 SCHEDULE REQUIREMENTS Contractor shall achieve Final Completion of the Work by 90 days (“Final completion

Date”). Separate portions of the Work specified shall be complete on dates agreed at the Base Design.

1.03 SCOPE OF WORK

The Scope of Work for this Project includes, but not necessarily limited to,

1. Fire Detection and Alarm System consisting of,

a. Smoke and Heat detectors, Manual Call Points, Alarm Sounders and Remote Indicator Lamps including necessary conduiting, wiring and fixtures,

b. 32 Zone Conventional Type Fire Alarm Panel,

2. Portable Fire Extinguishers consisting of,

a. Water/Gas SL Type Fire Extinguishers, b. Dry Powder SL Type Fire Extinguishers, and c. CO2 Gas SL Type Fire Extinguishers.

3. Self Illuminating Type Exit Signage 4. Fire Doors complete with ironmongery, panic hardware hinges and accessories 5. Wet Riser System and Sprinkler System consisting of,

a. Two Fire Hydrant Pumps and a Jockey Pump complete with Pump Control Panel, Grounding, Valves, Pressure Gauges, Pressure Switches, Pipes & Fittings, Flanges and accessories, as required for complete installation.

b. Cables, connectors, conduits, etc., for Power Connection to Fire Pumping

Station from the main Distribution Panel. c. Piping Main consisting with Fire Hydrants, Landing Valves, Fire Brigade Inlets,

Hose Reels, Hose Reel Cabinets, Nozzles, etc. d. Sprinkler System consisting of Sprinkler Header, Automatic Sprinkler Heads,

Valves, etc.


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Exact quantities and locations of equipment to be installed are indicated in the Appendix I. Contractor shall be responsible for securing all codes and standards, manuals, drawings and specifications, which are referenced in this Contract.

SECTION II - BASIC REQUIREMENTS AND GUIDELINES 2.01 GENERAL CONDITIONS

1. All equipment, components and accessories required for the completion and successful operation of the Work covered under the scope of this Project, either specified in detail or not, shall be supplied and installed by the Contractor as necessary.

All equipment/material/components such as wires, conduits, circuit breakers,

MCCBs, disconnects, contactors, etc., shall be UL listed and certificates in that effect shall be submitted.

2. The engineering design and specification of equipment/material supplied under this

Project shall be in accordance with this Scope of Work and Technical Specifications and applicable Industry Standards. If the equipment either does not conform to specifications or is not acceptable to Engineer based on past operating experience and/or any other reason, the Contractor shall propose alternative equipment for review and acceptance by the Engineer. However, in case of a conflict in the requirements, the Contractor shall bring this to the attention of the Engineer and shall obtain such applicable requirements for this Project in writing from the Engineer.

The Contractor shall have no right to decide on his own the requirements in case of

such a conflict, and in case of such an eventuality, he will be doing so at his own risk and cost as the Engineer reserves the right to reject any or the complete part of such Work arising out of the Contractor's own decision.

3. The drawings enclosed with this Scope of Work and Technical Specifications are

only conceptual for the information of the Contractor and are to be read in conjunction with this Scope of Work and Technical Specifications. Contractor shall develop detailed design drawings for the construction based on these drawings.

4. The specification of equipment and material specified herein are to be considered

as the minimum requirements, and the Contractor shall carry out his own basic and detailed design necessary for their proposed specifications of equipment.

The base design shall be finalized at base design review meeting based on the

guideline drawings issued hereof, manufacturer's drawings, calculations and data sheets, and the Work shall be carried out based on the approved base design.

All documents, drawings data and instruction books to be submitted by the

Contractor shall be written in English language. 5. The Engineer’s acceptance of the Contractor's design does not relieve him of any

part of his obligations to meet all the requirements of the Contract nor the responsibility for the correctness of the design and construction drawings of the Project.


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6. All Work, including services for the test and inspections required by the Engineer and demonstrations, if any, for familiarization of operation of new equipment to the Secretariat personnel shall be done by the Contractor.

2.02 KICK-OFF MEETING A Kick-Off Meeting will be held in the Work Site shortly after award of the Contract.

This meeting will cover preliminaries and groundwork necessary for the Project implementation, the Scope of Work, time schedule and will give the Contractor an opportunity to discuss matters related to carrying out his contractual obligations.

2.03 BASE DESIGN PHASE

1. The base design phase of the Project is a 2 weeks period of preliminary engineering following the kick-off meeting. The purpose of the base design phase is to completely define the Project in enough details to satisfy the Engineer that all requirements specified are being incorporated.

Information developed during the base design shall be used as a guide throughout

the Project and shall be considered binding on both parties, unless operational difficulties or design flaws observed during detailed design review are noted and mandate change.

2. The Contractor shall submit a set of the base design document at least one (1)

week ahead of the base design review meeting which shall include, but not limited to the following:

a. Details of Major Equipment, Material b. Design Calculations, Design Drawings and other documents necessary for

describe/define the design, adequately. c. Construction/installation schedule

2.04 BASE DESIGN REVIEW After completing the Base Design, the Contractor shall present the Base Design for

technical review. During the review, the Engineer’s observations and comments on the base design shall be reviewed and discussed in detail to finalize and to obtain the approval of the Engineer before proceeding with the Project.

2.05 PROJECT DRAWINGS

1. General

a. The Contractor shall provide all drawings required for this Project covering the new equipment in accordance with the requirements of the general Turnkey Project Drawings.

The drawings shall be assigned with drawing numbers and indexed. b. Drawings shall be of uniform size as much as possible and scales shall be 1:10,

1:50, 1:100 and 1:1200. c. The drawings in general shall be computer drafted using AutoCAD 2004 or later.


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d. The Contractor is responsible for providing schematics of controls and drawings indicating necessary operational information.

2. Vendor Drawings Vendor drawings shall be originals from equipment manufacturer and shall include

data schedules, specification sheets, characteristic curves, installation and operating instructions and any other information required for equipment or material.

3. Base Design Drawings The Contractor shall submit base design drawings to the Engineer with his Base

Design. 4. Construction Drawings The Contractor shall incorporate agreed observations and comments of the

Engineer and shall submit the final base design drawings for Engineer’s approval. After receiving the approval, the Contractor shall submit to the Engineer three (3) complete sets of all drawings issued for construction in one (1) submittal.

No Work shall be started at site unless all drawings have been fully reviewed and

agreed upon by the Engineer and final construction drawings are available at Work Site.

5. As-Built Drawings

1. As the Project nears completion, "As-Built" drawings shall be prepared by the

Contractor in sufficient detail to present an accurate record of the installed facility for the Secretariat.

2. All revisions shall reflect field modifications to engineering flow diagrams,

electrical one-line diagrams, electrical schematic connection and interconnection wiring diagrams; instrument hook-ups, wiring diagrams, terminal connections, dimensioned equipment layouts, pipe layout, and other Work and facilities not normally visible.

3. In addition one (1) set of “As-Built” drawings in soft form (in a CD) shall be

submitted to the Engineer for records.

2.06 PROGRESS REPORTING

1. The Contractor shall submit Bi-Weekly Project Progress Reports, for the Project to the Engineer.

2. The following information shall be included in the Progress Reports:

a. Percent of Work completed as compared to the weighted schedule used to

assess Work progress. b. Statement of items worked on and/or completed during the period. c. Statement of items to be worked on and/or completed during the following

period.


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d. Problem areas, which can have an adverse effect on the schedule.

3. Bi-Weekly Progress Meeting shall be conducted between the Engineer and the Contractor during the entire Contract duration of the Project.

2.07 QUALITY ASSURANCE/QUALITY CONTROL REQUIREMENTS

1. Quality Management Contractor shall manage the Project quality effectively, which addresses all direct

and indirect activities related to the Project to ensure that all contractual conditions are met.

2. Manufacturers/Suppliers Contractor shall procure all major material items for the Project from the sources

proposed and approved at the tendering and base design stages. 3. Receipt Inspection Contractor shall conduct receipt inspection of major material and equipment after

delivery at the Work Site and shall submit a copy of the report to the Engineer. 4. Inspection by the Engineer

a. The Engineer will conduct routine and/or periodic inspection of the Work.

Contractor shall provide facilities and access to the Engineer to inspect the Work and witness the tests.

b. Contractor shall advise the Engineer in writing the schedule of any field testing

to be conducted for this Project showing the dates and equipment to be tested. c. Inspection and witnessing of testing at site by the Engineer shall be within the

regular working hours of the Work Site as much as practicable.

5. Commissioning Tests A list, giving the details of the commissioning tests shall be included in the

Inspection and Test Plan indicating schedule date of tests. The Contractor shall be responsible for providing all the appropriate tools, test

equipment and temporary AC and DC power supplies needed to perform the commissioning and site tests. All tests shall be performed in accordance with the applicable and or specified standards, and established practices and procedures.

All commissioning tests shall be done under Engineer’s witness. Witnessing of

testing/commissioning by Engineer does not mean acceptance of test results. Test results will be reviewed and approved by Engineer separately, after Contractor submits the same for review and approval.

Commissioning test results shall be submitted to the Engineer not later than two (2)

days after completion of tests for review.


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2.08 OPERATION & MAINTENANCE TRAINING Contractor shall arrange and provide Operation and Maintenance training to the Secretariat staff (3 nos., minimum) on the new installed facility.

2.09 COMMISSIONING, OPERATION AND MAINTENANCE MANUALS

1. The Contractor shall submit to the Engineer Commissioning, Operation and Maintenance Manuals, along with Procedures Manuals, consisting of, as a minimum, the following documents:

a. Detailed manufacturer's instruction manuals applicable to each equipment

installed. These manuals shall contain all information, which may be required by the Secretariat for safe operation and maintenance of the new equipment.

b. Interconnection and Schematic Diagrams. c. For electrical equipment:

i. Panel layout (indicators, meters, switches etc.) ii. Specifications for MCCB'S, MCB'S, Busbars, etc. iii. Specification for transducers, sensors, etc.

2. The Contractor shall submit the above documents in Two (2) complete sets before

completion of the Project. 2.10 WORK INVOLVING WELDING, CUTTING AND GAS/REFRIGERANT AND

PRESSURE EQUIPMENT

1. The Contractor shall provide suitable fire extinguishers at site to be used in case of fire or emergency.

2. The Contractor shall provide the welding gas cylinders with suitable rack equipped

with security chain(s).

2.11 WORKS NEAR ENERGIZED LINES OR EQUIPMENT Contractor’s personnel shall observe working clearances when working near or about

energized line or equipment as per the applicable rules and regulations.


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SECTION III - EQUIPMENT/MATERIAL AND TECHNICAL SPECIFICATIONS 3.01 GENERAL This Section outlines broadly the technical specifications of the equipment/ material

required for the complete installation of the Project. The technical specifications outlined herein shall be read in conjunction with the Project Tender Drawings, and the associated International Standards and Codes.

3.02 FIRE DETECTION, ALARM AND CONTROL SYSTEM

3.2.1 General

a. The Contractor shall ensure that the Fire detection and alarm system comply with following Standards,

i. Zoning BS 5839 Part 1, 1998 ii Instrumentation & Servicing BS 5839 Part 1, 1998 iii. Smoke Detectors BS 5839 Part 5, 1988 iv. Heat Detectors BS 5445 Part 5, 1977 v. Manual Call Points BS 5839 Part 2, 1983 vi. Electronic Sounders BS EN 50130 - 4 vii. Remote Indicators BS EN 54 Part 5, 1987 viii. Control Systems BS EN 54 Part 1, (BS 5839 Part 4, Annex B) b. In addition, the Contractor shall adhered to the following Standard

Specifications and requirements, i. Life Safety Code, Publication No.101 of NFPA ii Power Supplies for Fire Protection Signaling Systems, Publication No.

1481, of UL Inc. iii. Fire Regulations promulgated by ICTAD, in respect of Construction

and Public Utilities. iv. Requirements of the Chief Fire Officer, Fire Service Department.

3.2.2 Fire Detection and Alarm Panel

a. Fire detection and alarm panel shall be of conventional type, 32 Zone,

microprocessor-controlled and of modular construction.

b. Fire detection and alarm panel shall provide full range of indicators and user facilities for access level 2.


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c. Fire detection and alarm panel shall consist of self-contained power supply unit for the continuous operation of 6 hrs, minimum in case of mains power failure

3.2.3 Optical Smoke Detectors

Nominal operation voltage of Optical smoke detectors shall be 24 Vdc, but shall operate satisfactorily within voltage range, 10V – 30V.

3.2.4 Heat Detectors

Nominal operation voltage of sounder alarm shall be 24 Vdc, but shall operate satisfactorily within voltage range, 10V – 30V.

3.2.5 Sounder Alarm

a. Sounder alarms shall be electronic, and shall provide 95dB sound level at 1m.

b. Nominal operation voltage of sounder alarm shall be 24 Vdc, but shall

operate satisfactorily within voltage range, 10V – 30V. c. Sounder alarm shall have at least 4 different tones (sound frequencies)

within the frequencies specified in BS5839.

3.2.6 Manual Call Points a. Manual call points shall be surface mounted or flush mounted type and

shall be of no break re-settable type. b. Nominal operation voltage of sounder alarm shall be 24 Vdc, but shall

operate satisfactorily within voltage range, 10V – 30V.

3.2.7 Remote Indicator Lamps

Nominal operation voltage of sounder alarm shall be 24 Vdc, but shall operate satisfactorily within voltage range, 10V – 30V.

3.2.7 Conduits and Wirings

a. Conduits and junction boxes have been pre-laid in the slabs and walls

according to the Project Tender Drawings in Appendix I. However, Contractor shall wire the entire installation. All exposed down runs to call points and sounders shall be wired through steel conduits, securely anchored to the walls and/or soffit as applicable.

b. The detection initiation circuit shall be wired with 1.5 mm2 PVC sheathed

Copper cables and all alarm initiation circuits shall be wired with 1.5 mm2 fire resistant cables so that the alarm condition remains evident during an incidence of fire.

c. The Contractor shall use the pre-laid ducts for connecting up the Fire

Detection & Alarm Panel to each Zone/Floor, through PVC conduits, securely fixed to walls.


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3.03 PORTABLE FIRE EXTINGUISHERS

The Contractor shall furnish with the tender the necessary documentation on the fire extinguishers offered and Certificate of Conformity to BS 5423. In addition the Contractor shall furnish with the tender, a Certificate of Approval from the Chief Fire Officer, Fire Department for Public Use.

3.3.1 Water / Gas Fire Extinguisher

a. Fire extinguishers shall be of capacity 9 liter, and shall be of same brand /

make, conforming to BS 5423. b. Fire extinguishers shall be of stored pressure, squeeze lever type each

complete with pressure gauge, discharge hose and nozzle, lever lock and seal.

c. Fire extinguisher shall have not less than 9 liters of clean water and shall

have a siphon tube to ensure total discharge of the water. Total Discharge time shall not be less than 90 sec., with jet throw of 8m, minimum.

d. The propellant agent shall be either CO2 or NO2, and shall have a stored

pressure of the range 8 Bar, minimum and 12.5 Bar, maximum. e. The cylinder of the fire hydrant shall be of 16 SWG thick steel, powder

coated in Post Office Red, for Class A fire. f. Fire extinguishers shall be provided with instruction sticker, in English and

Sinhalese, and shall be securely hanged on wall by GI wall hanger/bracket. The wall hanger/bracket shall have Engineer’s approval and be fixed to the wall by 3 Nos., minimum, 6 mm dia. GI anchor bolts.

3.3.2 CO2 Gas Fire Extinguisher

a. Fire extinguishers shall be of capacity 2 kg, and shall be of same brand /

make, conforming to BS 5423. b. Fire extinguishers shall be of stored pressure, squeeze lever type each

complete with discharge snow horn, lever lock and seal. c. Fire extinguisher shall have not less than 2 kg of CO2 gas. Total Discharge

time shall not be less than 20 sec., with jet throw of 2m, minimum.

d. The cylinder shall be of seamless drop forged carbon steel capable of withstanding test pressure of 250 Bar and shall be powder coated in Black, for Class B and C fires.

e. Fire extinguishers shall be provided with instruction sticker, in English and



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3.3.3 Dry Chemical Powder Fire Extinguisher a. Fire extinguishers shall be of capacity 5 kg, and shall be of the same brand

/ make, conforming to BS 5423. b. Fire extinguishers shall be of stored pressure, squeeze lever type each

complete with pressure gauge, discharge hose and nozzle, lever lock and seal.

c. Fire extinguisher shall have not less than 5 kg of dry chemical powder and

shall have a siphon tube to ensure total discharge of the powder. Total Discharge time shall not be less than 20 sec., with jet throw of 7m, minimum.

d. The propellant agent shall be either CO2 or NO2, and shall have a stored

pressure of the range 8 Bar, minimum and 12.5 Bar, maximum. e. The cylinder of the fire hydrant shall be of 16 SWG thick steel; powder

coated in Blue, for Class A, B & C fires. f. Fire extinguishers shall be provided with instruction sticker, in English and


3.04 SELF ILLUMINATING EXIT SIGNAGE

Fire Exit signage shall be provided as indicated in the Project Tender Drawings. Fire Exit signage shall be of self-Illuminating type as per the Engineer’s approval.

3.05 FIRE RATED DOOR SASHES

5.5.1 General

a. All door sashes shall be of 1 hour fire rating.

b. The measurement given are approximate and the Contractor shall take his own measurements before fabrication to ensure proper fit.

c. The Contractor shall submit the following during the Base Design:

i. Method Statement of fabrication ii Test Certificate from CISIR or any other test institution acceptable to

the Engineer, with respect to the Fire Resistance of the Door Sashes. iii. Certificate of Approval from the Chief Fire Officer, Fire Department for

Public Use.


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5.5.2 Construction

a. All door sashes shall be of Copper Chromate impregnated hard wood. The Contractor shall indicate the type of wood used.

b. Each door sash shall be provided with a centrally located fire rated 5mm

thick Pilkington or Georgian Wired Glass vision panel at a height of 1.75m from finished floor level to the top level of the panel. The vision area of the panel shall not be less than 200mm height and 150mm wide.

c. Each vision panel shall be fasten to the door sash with 25mm hard wood

lipping on all four sides on the outer side of the sash held down with counter sunk MS screws and finished with suitable wood filler.

d. A minimum of two coats of Aluminium primer shall be applied at site prior

to fixing. The finish of the door sashes (finish and workmanship) shall be very good and shall be painted as per the colour shade to be agreed at the Base Design.

5.5.3 Installation

a. Each door sash shall be fixed to the door frame with 4 x 150mm MS Butt

hinges using counter sunk MS screws of suitable size. b. The clearance between the bottom of the sash and finish floor shall not be

more than 3mm. c. Heavy duty door closer of suitable size shall be fitted for each door sash

and be calibrated for smooth open/close operation. Door closers shall be of reputed make, complying with relevant BS or equivalent, and shall have Engineer’s approval.

d. Single door or double door panic hardware, with external access device

shall be provided where specified as per the manufacturers instructions for safe exit of occupants. The Contractor shall submit samples of panic hardware for Engineer’s approval.

e. Contractor shall submit samples of Ironmongery, door closers, and Panic

Hardware for Engineer’s approval. 5.06 WET RISER AND SPRINKLER SYSTEM

5.6.1 External / Internal Piping Works

a. The Contractor shall use Medium Duty GI pipes, galvanized both external and internal surfaces, through out the installation. A sample piece of each diameter shall be submitted to the Engineer during Base Design for approval.

b. Pipe work shall be provided with pipe supports at appropriate intervals to

support the weight of the pipe and to prevent Sag. Pipe anchoring shall also be provided at appropriate at pipe bends to reduce bend stress.


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c. Welded pipe joints shall be properly cleaned and shall apply one coat of Cold galvanizing paint. Under ground pipes shall be applied with two coats of tar based paint up to 150mm from finished ground level. Exposed pipes shall be applied with two coats of primer before painting.

d. The exposed pipe work shall be Colour coded as per standard Colour

Coding and Name Plates be provided on each major item/equipment. e. Entire piping system shall be pressure tested as per the requirement of

Chief Fire Officer, Fire Service Department.

5.6.2 Pump Room Equipment and Pumping Header Fire Pumps a. The Contractor shall supply and install 3 Nos. fire pumps, Main, Stand-by

and Jockey, complete with pumping header, valves and accessories as indicated in the Appendix I.

b. Pump diameter of the main and stand-by units shall be 75mm, at suction

and discharge, with a pump capacity not less than 1200 liters/min. at 85m head.

c. Jockey pump unit shall be 50mm dia. at suction and discharge, with a

pump capacity not less than 225 liters/min. at 75m head. d. The pump casing shall be of cast iron, Impeller made of Brass, Bronze or

Gun-metal and shaft made of Stainless Steel. Wear ring shall be of Gun metal.

Pump Motor a. The pump motor shall be of adequate power rating, four pole squirrel cage

induction type and shall be suitable for operation on 416 V, 3 phase, 50 Hz electric power supply with design speed 1450 rpm.

b. The motors shall be of locally re-woundable type and shall be capable of

operating with voltage variations up to ±10% without over-heating the windings.

c. Motor shall be internally protected against over heating by means of

thermostats. d. Motor rating shall be such that motor will not overloaded at any point on the

operating curve of the pump.

e. The motors shall be of insulation Class F with IP 54 as IEC 529 enclosure housing.

Pump Installation a. Pump header shall be of 100mm (4”) dia. and shall be suitably supported

by a steel structure. Header shall consist of 2 Nos. pressure switches, 2 Nos. pressure gauges and related accessories.


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b. Check valves at both sides of the pump, bellow joints, non-return valves, isolating valves complete with flange/screw type joints shall be provided with each pump for easy service removal, as shown in Appendix I.

c. 2 nos. Pressure Gauges shall be provided and installed on the Header

such that they can be easily read from a standing position on the floor. Gauges shall be Marsh Master or equal with 110 mm nominal diameter dial. Scale range shall be such that design pressure value shall be indicated at mid-scale, approximately.

d. Pressure switches shall be of 12 bar (main/stand-by) and 6 bar (Jockey)

complete with brass adopters. e. Surge suppression chamber, pressure relief valves or any other

component/item shall be provided as required for complete and reliable operation of the system.

5.6.3 Pump Room Electrical Power and Control Gear

General a. All power and control wiring, switchgear, protection gear and other

accessories shall be provided for complete installation of equipment as necessary.

b. The incoming supply will be at 416V, 3 phase, 3/4 wire, 50 Hz and the

panels shall be suitable for a fault rating of 40 kA at 416 volts. Phase sequence colouring shall be Red, Yellow and Blue. All sections of the panel shall be suitably labeled.

c. Power supply from main distribution board to power/control panel and

cabling between pump motors and pressure switches, etc., shall be in steel conduits.

Panel Enclosure

a. Panel enclosure shall be of sheet metal construction using 1.5 mm thick

Zinc Aluminum steel sheets powder coated and shall be of elegant finish and workmanship of high quality.

The interior of enclosure shall be gloss White and the exterior shall be

Light Grey. All cutouts and holes to be drilled in the panel enclosure shall be carried out in the factory before rust proofing and powder coating.

Panel shall be adequately earthed independent of the earth connection via

the cable glands, and panel doors and other cubicle sections shall be electrically bonded to each other for proper earthing.

b. Enclosure door shall be suitably brased and hinged to ensure uniform

pressure right along the rubber beading. Door shall be lockable with special type key (triangular) operated locks. Door hinges shall be made of suitable non-corrosive material.


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Enclosure shall be of wall-mounted type. Panel enclosure shall have protection class IP 54 as per IEC 529. Maximum mounting height of the enclosure/instruments shall be decided considering the operational convenience.

Enclosure dimensions shall be carefully selected so that adequate working

space is available for easy replacement of components.

All cables shall terminate at connections installed at the bottom part of the enclosure. Arrangement of components shall be logically designed and shall be approved by the Engineer.

Panel Wiring

a. Wiring within the enclosure shall be done in neatly arranged PVC cable trays with detachable lid and shall be properly tied. All wires shall be numbered. Wires and cables with Aluminum conductors shall not be used. Wire/cable terminations shall be of insulated type and colour coded.

b. All conductors and wiring, material used for termination, splice and tap

conductors and contactors, overloads, etc., shall be UL listed and in compliance with applicable codes and specifications.

c. All busbars (TP or TP&N) shall be of copper and of adequate thermal and

short circuit capacity to withstand extreme fault or short circuit conditions. Current density in the busbars shall not exceed 3A per mm2 under all operating conditions.

d. The control wiring diagram suitably laminated shall be fixed/pasted on to the interior wall of the enclosure door.

e. An earth bus bar shall be provided at the bottom portion of the enclosure

and shall be marked ”Earth Terminal” and shall be complete with screw-connections, etc.

Supply Incoming Section a. Incoming section of the Panel shall consist of the following basic elements:

i. One 4 pole moulded case circuit breaker with magnetic over load and earth fault trip.

ii. One voltmeter with selector switch for monitoring phase to neutral and

phase-to-phase voltages. iii. Lamp indicator to indicate operating condition of supply voltage. iv. Set of lightening voltage surge-arrestor/diverter. v. One set Incoming terminals.


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Motor Starting Section

a. Each motor starting section shall include the following switching, monitoring and controlling equipment of reputed makes, installed and wired for automatic start and stop functioning of pumps, as applicable.

i. One 4 pole MCCB with adequate breaking capacity and thermal

magnetic overload trips to serve as the feeder for the starter. ii. Electrically operated contactors, wired for direct on line or star – delta

starting, as appropriate. iii. One three phase adjustable thermal over load.

iv. Indicator lamps to indicate following;

• Pump Running • Pump Tripped (Overload/loss of water) • Pump Stopped

v. 2 pole - MCB for control supply vi. One set outgoing terminals vii. Duty selector switches to select Main /Stand-by (or P1/P2) operations

for the pumps. viii. Start/stop push buttons for manual operation of pumps. viii. Push buttons for resetting over load trips

b. Water low-level indicator shall be provided.

Controls, Indicators and Alarms

a. Indication lamps and push buttons shall be provided and be coloured as

follows:

Lamp Marking Colour On Green Fault Amber Off Red Button Marking Colour Start Green Stop Red

Proposed layout and circuit diagram of the motor control center with details

(Make, ratings etc.) of all electrical components shall be submitted along with the tender.


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5.7.1 Wet Riser Equipment (Outdoor)

a. Pillar Type Fire Brigade Inlets Fire brigade inlet shall be of 2 Way Flanged type, with 2x65mm dia.

instantaneous male couplings. Fire brigade inlet shall be complete with in-built no-return valve, 25mm breeching valve, blank caps, and stainless steel chains.

b. Pillar Type Fire Hydrants Fire hydrants shall be of 2 Way, Oblique, Flanged type, with diagonally

opposed 2x65mm dia. instantaneous female couplings. Each landing vale shall complete with key wheel control valve, blank cap, and stainless steel chain. Landing valve and couplings shall comply with BS 5041 and BS 336.

c. Fire Hose Reel Cabinets Hose reel cabinets shall be of free standing type, mounted on 300mm from

finished floor level, sheet metal construction using 2mm thick Zinc Aluminum steel sheets powder coated and shall be of elegant finish and workmanship of high quality.

The interior of enclosure shall be gloss White and the exterior shall be Post

Office Red. Cabinet door shall be glassed, lockable, suitably brased and hinged to

ensure uniform pressure right along the rubber beading. Cabinet shall have Emergency break glass key holder. Door hinges shall be made of suitable non-corrosive material. The words “FIRE HOSE REEL” in 75mm letters shall appear on the glass panel (painted on inner side).

c. Fire Hose Reels Hose reels shall be of 65mm, 15m long, lay flat polyester

sheathed/jacketed and synthetic rubber lined, and shall comply with BS 6391. Hose reels shall be fixed with light alloy male/female instantaneous couplings.

5.7.2 Wet Riser Equipment (Indoor)

a. Swing Type Hose Reels Swing type 19mm hose reels shall be of 30m long non-kink fire hose on

drum, complete with jet/Spray Shut-off nozzle and 25mm control ball cock valve, complying with BS EN 671-1 2001.

b. Landing valves Landing valve shall be of Oblique, Threaded type, with 65mm dia.

instantaneous female couplings and shall be complete with key wheel control valves, blank caps, and stainless steel chains. Landing valve and couplings shall comply with BS 5041 and BS 336.


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c. Fire Hose Reels Hose reels shall be of 65mm, 15m long, lay flat polyester

sheathed/jacketed and synthetic rubber lined, and shall comply with BS 6391. Hose reels shall be fixed with light alloy male/female instantaneous couplings.

5.7.3 Sprinkler Header

General a. The Contractor shall provide all pipes, bends, reducers, and accessories

required for complete sprinkler header. Sprinkler header shall be of Medium Duty GI pipes with all accessories such as reducers, bends, elbows, etc., welded as to become one single piece.

b. The sprinkler header shall be securely hanged or fixed over by suitable GI

hangers and brackets. Welded pipe joints shall be properly cleaned and shall apply one coat of Cold galvanizing paint and two coats of primer before painting.

c. Sprinkler heads shall be of horizontal side wall type, 15mm intake dia.,

operating temperature 68°C, response time 34 ms, with red glass 3mm dia. glass bulb and strength pressure of 3500N.

Documents

Schedule - B