specification document for fire protection system …...3.1.5.7. the gi pipe shall be joined to the...

FPS (SPRINKLER AND WET DELUGE) FOR VM-II AT RPP

1

Annexure F

SPECIFICATION DOCUMENT FOR FIRE PROTECTION SYSTEM AT VERTICAL

MIXER-II FACILITY IN RPP AREA

Contents 1. INTRODUCTION ....................................................................................................................................................... 2

2. SCOPE OF WORK ...................................................................................................................................................... 2

3. DETAILED SPECIFICATION ................................................................................................................................... 2

4. QUALITY ASSURANCE ,TESTING AND ACCEPTANCE .................................................................................... 6

5. PAINTING SCHEME FOR PIPES, FLANGES AND FITTINGS FOR SPRINKLER, DELUGE & MAIN SUPPLY

LINE ..................................................................................................................................................................................... 7

6. BILL OF QUANTITIES .............................................................................................................................................. 7

7. OTHER TERMS AND CONDITIONS ....................................................................................................................... 9

8. GENERAL CONDITIONS:....................................................................................................................................... 10

I. Annexure I (major bought out items) ......................................................................................................................... 13

1.1 Ductile Iron pipe................................................................................................................................................ 13

1.2 Mild steel with cement lining (galvanized) Piping for non-standard length pipe .............................................. 13

1.3 Bolt & Nuts ....................................................................................................................................................... 13

1.4 Ductile Iron Fittings .......................................................................................................................................... 14

1.5 GI Flanges (for connecting the non standard length pipe) ................................................................................ 14

1.6 Gasket ................................................................................................................................................................ 14

1.7 Piping (for deluge & sprinkler system) ............................................................................................................. 15

1.8 Fittings .............................................................................................................................................................. 15

1.9 Deluge Valve ..................................................................................................................................................... 15

1.10 Sprinkler nozzle with Detector Bulb ................................................................................................................. 16

1.11 Spray nozzles .................................................................................................................................................... 17

1.12 Pressure Gauge .................................................................................................................................................. 17

1.13 Alarm Gong ....................................................................................................................................................... 18

1.14 GI Flanges ......................................................................................................................................................... 18

1.15 Isolation Valve (Butterfly Valve) ...................................................................................................................... 19

1.16 Strainer .............................................................................................................................................................. 19

1.17 Fittings .............................................................................................................................................................. 20

1.18 Sprinkler with Detector Bulb ............................................................................................................................ 20

1.19 GI Flanges ......................................................................................................................................................... 20

1.20 Pressure Gauge .................................................................................................................................................. 20

1.21 Alarm Gong ....................................................................................................................................................... 21

1.22 Alarm valve with retard chamber ...................................................................................................................... 21

1.23 Strainer .............................................................................................................................................................. 22

1.24 Isolation Valve (Butterfly Valve) ...................................................................................................................... 22

II. ANNEXURE II (Pedestal & trench) .......................................................................................................................... 23

1.1 Annexure-2a Details of pedestal ....................................................................................................................... 23

1.2 Annexure 2 b : Details of trench ....................................................................................................................... 24

III. Annexure III (layout for interconnection) .............................................................................................................. 25


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1. INTRODUCTION

The work involves design of the system, supply of the materials required, erection, testing and commissioning

of the Fire Protection System (Sprinkler and wet deluge) for Vertical Mixer-II (VM-II) equipment and building.

This document details the scope of work and the specifications for carrying out the work.

2. SCOPE OF WORK

The scope of work shall be to carry out the following work on a turnkey basis. Design, supply, installation,

testing and commissioning of fire protection system (FPS) which includes

2.1. Interconnection of the FPS with the existing fire hydrant network.

2.2. Deluge & Sprinkler valve and associated components (external to the building).

2.3. The sprinkler & deluge system consisting of downstream distribution pipes, spray nozzles and

detectors.

2.4. Quality assurance plan shall be prepared in line with the detailed specification and submitted by the

party for review and approval by VSSC along with the line sizing calculation.

3. DETAILED SPECIFICATION

3.1. Design guidelines

3.1.1. Facility description

VM-II: Vertical mixer-II facility consists of Mixer room, Feeder room, Service room, and Control

room. The mixer room and feeder room are to be covered by both wet deluge and sprinkler system.

The FPS is to be located in a covered area (3m x2m) outside the service room of the vertical mixer

facility.

3.1.2. Area to be covered & water rate

3.1.2.1. Sprinkler System

The building, spray density required and floor area to be covered by the sprinkler is as follows:

Table 1 Area to be covered and water rate for sprinkler

Sl no:

Room /Equipment

Area (m2)

Height of

(m)

Water Spray

density (lpm/ m2)

Water requirement for Sprinkler

(lpm)

1 VM-II

Inside the Mixer room 128.16

(14.24x9)

11.5 10.2 1308

Inside the feeder

room

142.24

(20.32x7)

8.5

(15.5

from

ground )

10.2 1451

3.1.2.2. Deluge System (VM-II)

The Deluge system for the VM-II building should be capable of throwing water at locations indicated

below

Table 2 Area to be covered and water rate for deluge system


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Sl no:

Room

/Equipment

Area (m2)

Height of bldg (m)

Water Spray density

(lpm/ m2)

Min. Water requirement for Deluge (lpm)

No.of spray nozzles. (Approx. estimate)

1 Inside the

Mixer room

128.16 11.5 10.2 1308 15

2 Inside the

Mixer

2.19 NA - 1820 4 (high

capacity

nozzles)

3 Around the

Vertical

Mixer

21.7 NA 10.2 221 4

+

23.5

NA 10.2 240 6

4 Inside the

feeder room

142.24 15.5 10.2 1451 12

A. Inside the Mixer room: The dimension of the mixer room is 14.24m x 9m x 11.5 m height. A

water flow rate of 10.2 lpm/m2 as required for high hazard area should be distributed with

required number of spray nozzles of suitable ‘K’ factor. The sprayer should be located at ceiling

level whose height is roughly 11.5m from the floor level.

B. Inside the mixer: A minimum flow rate of 1820 LPM should be provided inside the mixer. For

this purpose, four number of entry ports are provided. The approximate entry point of the sprayer

to the port is about 4 meters from the floor level. High capacity spray nozzles may be used at these

four points.

C. Around the vertical mixer equipment: A water flow rate of 10.2 lpm/m2 as required for high

hazard area should be distributed with required number of spray nozzles of suitable ‘K’ factor. The

area to be covered is 23.5m2 below (2.14m length x 2.76m breadth x 1.2m) the metallic platform

and 21.7m2 above (2.10m length x 2.57m breadth x 1.75m) the metallic platform, where the mixer

is located. The metallic platform is roughly 3.5m above the finished floor level.

D. In the Feeder Room: The dimension of the feeder room 20.32m x 7m x 8.425m height. i.e., the

ceiling of this room is at 8.5m height (15.5m from the ground level). The sprayer should be located

at ceiling level.

The detector shall be located in the following areas:

1. Inside the mixer room

2. Inside the mixer

3. Inside the feeder room

4. Around the vertical mixer

Inside the mixer:

Four numbers of detectors are to be provided inside the mixer through the entry ports, for which four

ports (100mm dia) will be identified. Arrangement of the detector should be made such that any

accidental breakage of the detector bulb do not introduce broken glass piece inside the mixer.

This can be done by providing suitable screen, without affecting the efficiency of the detector. The entry


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to the port should be closed and the detector fixed such that vacuum requirement inside the mixer is not

affected.

3.1.3. Detectors

The detector shall be ‘Quartzoid bulb’ type heat sensitive detector with temperature rating 68° and

(79°C –only for detectors inside the mixer)

Sprinkler nozzles with quartzoid bulb detectors are to be installed and tested as per NFPA/TAC

regulations, in the internal distribution lines of sprinkler system and wet deluge as per Table 1 & Table

2(as per the requirement).

3.1.4. Interconnecting with the existing fire hydrant network

The fire protection system shall be interconnected to the existing fire hydrant network through trench

via 200mm dia DI pipe(GI pipe & fittings may be used for nonstandard length, less than 1.5m). Line

has to be tapped from the ring main to each facility for providing the fire protection system.

Approximate distance (including road crossing) from the nearest point of connection is mentioned

below.

Sl. No. Facility Distance (m)

1. VM-II 32 (including 6.4 m road crossing)

Layout diagram indicating the interconnection points is given in annexure III.

The resurfacing with RCC as per IS; 456 of the road cutting shall be carried out by the party. The

resurfacing of the road cutting with PCC (1:5:10), 75mm thickness and RCC (1:1.5:3), M20 grade

concrete with 8mm diameter at 150 c/c on both ways, shall have 150mm thickness with broom finish.

The number of road crossing required is 1 nos. for VM-II, which can be referred in the layout diagram

(annexure III)

3.1.5. Laying of Pipelines

3.1.5.1. The pipelines are to be laid at minimum 300 mm above ground supported by RCC

pedestals. The pedestal shall be provided with PCC (1:5:10), 75mm thickness and RCC

(1:1.5:3), M20 grade concrete with 8mm diameter at 100 c/c on both ways. The level of the

above ground lines should match with the existing above ground fire hydrant network and

be at the same water level throughout the system. The pipeline shall be attached to the

pedestal through proper GI clamps. A typical drawing of pedestal is given as annexure:2a

3.1.5.2. At road crossing, the pipe line shall be laid below ground through RCC M20 grade

concrete trenches as per IS456:2000 of size fixed as 1.20 m depth (outside) and 1m width

(inside) with RCC slabs. The branch line to the building for FPS shall also be through

similar RCC trenches, but with grill covering. The trench shall be provided with PCC

(1:5:10), 75mm thickness and RCC (1:1.5:3), 150mm thick with 8mm diameter at 100 c/c

on both ways. The trench walls should project 200 mm above ground level to avoid soil

entering the trench. Both ends of the trench should be closed. Provision for draining water

shall also be considered in the trenches. A typical diagram showing the laying of pipe

through trench along the road crossing is given as annexure:2b

3.1.5.3. Pipes shall be supported by pedestals inside the trenches, such that pipe is at least 300mm

above from the trench bottom. The trench towards the buildings shall be covered properly

with GI square bar grills (20mm) welded to a suitable frame work properly arrested to the

trench. Pedestals are to be provided with proper GI clamps for arresting the pipes.


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3.1.5.4. A minimum of two pipe supports (RCC pedestals) shall be provided for every 5m length

pipe. At least one support shall be provided for every nonstandard pipe. Additional supports

shall be provided to the pipes near to the fittings like bend, Tee etc wherever flow direction

changes. The pipe support shall consider the maximum thrust acting during the pressure

testing / operation with maximum flow.

3.1.5.5. The pipeline has to be laid on a sandy soil. Thrust blocks shall be provided at various

bends. The design of the Thrust blocks shall be carried out by the party based on the

Sandy soil (Bearing Capacity 15T/m2) condition and the same needs approval by VSSC

before construction.

3.1.5.6. The general material of construction of the pipelines shall be ductile iron. In case of

unavoidable situation where a non-standard pipe (less than 1.5m) is to be used for joining

the DI pipes, the same shall be mild steel (galvanized) conforming to IS 1239 with cement

lining. Refer Annexure I for detail specification.

3.1.5.7. The GI pipe shall be joined to the DI pipe or other fittings through flanged joints only.

3.1.5.8. Wherever GI pipe (of non standard length –less than 1.5m) is needed to be joined to hydrant

lines, the same can be carried out using welding. For this refer section 4.2 for quality and

acceptance.

3.1.5.9. The above ground pipelines and overhead pipe lines from the deluge/sprinkler valve,

network of pipe lines inside the mixer room, feeder room should be of GI pipeline Class C

of TATA / Jindal make. The line should be joint by welding. Flanges where ever required

are to be provided.

3.1.5.10. For VM-II facility, MS plates are already embedded on the walls and ceiling of mixer

room, feeder room to facilitate laying of pipes at roof level and at walls. The parties should

weld the angles to the plates embedded to support the pipes.

3.1.5.11. Isolation Valve: Isolation valves of butterfly type (AUDCO make) are to be provided in

the deluge & sprinkler system.

3.2. Specifications

3.2.1. The sprinkler system shall consist of various components like isolation valves (upstream &

downstream of the alarm valve), pressure gauges (upstream & downstream of the alarm valve),

strainer, alarm valve (with alarm gong, retard chamber and associated components as per

manufacture design), feed pipe (from alarm valve), distribution pipe, range pipe and sprinkler

nozzle (with quartzoid bulb) etc.

3.2.2. Deluge system: Only UL listed HD FIRE PROTECT make valve of 200mm Diameter is to be

used along with hydraulic trim, water motor gong and necessary pressure gauges. (The system

shall be envisaged to be under pressurized condition (9.0 bar) continuously with a jockey pump

for the automatic operation of the fire pump.

The detailed specification of the major bought out items with the acceptance criteria to be used shall be as

per Annexure I


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3.2.3. The design document shall cover the hydraulic calculation as per NFPA/TAC regulation.

Installation layout drawing along with the design document as per NFPA/TAC regulation shall

be submitted to VSSC for approval.

4. QUALITY ASSURANCE ,TESTING AND ACCEPTANCE

Quality Assurance Plan, testing scheme and procedures shall be prepared and submitted for review and approval

by VSSC along with the design document.

4.1. Concrete

Mandatory concrete test shall be conducted at site in the presence of VSSC personnel and clearance to be

obtained for all concreting works

4.2. Welding

4.2.1. The welding shall be carried out only by qualified welders. Certificate of qualification shall be

submitted to VSSC and clearance shall be obtained prior to the welding.

4.2.2. Only reputed make electrodes like (Ador-fon) suitable for the pipe should be used for carrying

out the welding.

4.2.3. Weld checks shall be carried out as per IS: 822. Welding procedure shall be submitted and got

approved by the party prior to the commencement of the work.

4.2.4. Root and final run for welds shall be checked with 100 % visual examination. Visual check-up

includes: Edge preparation, joint fit-up checking for welding, cleanliness, tacking, root pass &

subsequent pass appearance, cleaning between the passes, completed weld appearance, condition

of the base metal in the area adjoining the welds, excessive distortion if any due to welding.

4.2.5. 100% DP test shall be conducted on all field fillet weld joints. All these tests shall be witnessed

& certified by VSSC representatives.

4.3. Deluge/sprinkler system

4.3.1. The bought out items shall meet the acceptance criteria as suggested in Annexure I

4.3.2. Sprinkler, deluge systems are laid as per the detailed specification.

4.3.3. 100% DP (Dye Penetration) examination of all the field weld joints for checking any cracks,

porosity or slag inclusion. . The report of the above tests shall be reviewed and to be accepted by

VSSC as part of the qualification of the welded joints.

4.3.4. The entire line shall be flushed as per NFPA 24 in the presence of VSSC official prior to the

commissioning.

4.3.5. The hydrostatic testing for the entire line shall be carried out at 18 ksc pressure for two hours in

the presence of VSSC officials. There shall not be any pressure drop in the gauge pressure or any

visible leakage during the test.

4.3.6. One of the detectors selected at random shall be activated; water flow and pressure through the

spray nozzles shall be ensured as per the requirement including functioning of the various

instrumentation and alarms.

4.3.7. Pre-commissioning and acceptance test as per TAC rules for water spray system shall be followed.

Maximum working pressure shall be the pump shut off pressure.

4.3.8. All leaks and defects revealed during the testing shall be rectified and re-qualified.


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5. PAINTING SCHEME FOR PIPES, FLANGES AND FITTINGS FOR SPRINKLER,

DELUGE & MAIN SUPPLY LINE

5.1. All pipes and fittings made of DI shall be coated with one coat of Zinchromate primer and two coats

of enamel paint synthetic enamel paint (Asian paints/ Berger/Nerolac) with fire red (shade no:536 as

per IS:5 or other similar shades)

5.2. Corrosion protection coating (epoxy paint) to be done for GI pipes, flange & fittings for the sprinkler

system, deluge system and main supply GI pipe & flanges. Two coat of anti corrosion epoxy primer

and two coats of polyurethane paint of reputed make is to be used.

5.3. The acceptance of painting scheme is as follows. Inspection by VSSC personnel to ensure the

specification and make of paint being used. Checking by VSSC personnel to ensure proper application

of each coat of primer/paint and obtain clearance.

6. BILL OF QUANTITIES

Party has to quote as per the format given.

Sl.

No

Activity Rate per

unit

No of units

estimated

Total

1. Supply, laying, testing, integration and commissioning of fire hydrant pipeline including fittings, RCC pedestal, thrust block etc. (excluding trenches) as per detailed specification (annexure 2a,2b and annexure III) for VM-II facility in RPP phase II area. 200mm dia

33m

2. Supply, laying, testing, integration and commissioning of G.I fire hydrant pipeline (less than 1.5m) including fittings, RCC pedestal, thrust block etc (excluding trenches) as per detailed specification (annexure 2a,2b and annexure III) for VM-II facility in RPP phase II area. 200mm dia

4m

3. Construction of RCC trench with slab and

resurfacing at road cuttings

7m

4. Construction of RCC trench with grill covering at

openings.

40m

5. Supply and installation of butterfly isolation valve 3 nos

6. Supply, installation & testing of sprinkler valve,

and associated components consisting of isolation

valve-2nos, strainer, pressure gauges (upstream

and downstream of the alarm valve), alarm valve

with alarm gong and retard chamber for vertical

mixer-II, facility.

1

7. Supply, laying, testing, integration and

commissioning of downstream G.I. pipeline

including fittings for sprinkler system at VM-II, as

per design

-


8

200mm dia 150mm dia 42m

8. Design, supply, installation, testing and

commissioning of internal distribution lines(GI)

including fittings of sprinkler system as per

detailed specification.

271 sqm

9. Supply, installation and testing of sprinkler nozzles

(with quartzoid bulbs) for sprinkler system

28 nos.

10. Supply, installation & testing of deluge valve, and

associated components consisting of isolation

valve-2nos, strainer, pressure gauges (upstream

and downstream of the deluge valve), with alarm

gong and non-return valve in the detector line for

vertical mixer-II, facility, as per design.

1 unit

11. Supply, laying, testing, integration and

commissioning of downstream G.I. pipeline

including fittings for wet deluge system at VM-II

as per design

200mm dia 38m

150mm dia 4m

25mm dia 42m

12. Design, supply, installation, testing and

commissioning of internal distribution lines(GI)

including fittings of wet deluge system as per

detailed specification.

318 sqm

13. Supply, installation and testing of spray nozzles for

deluge system

42 nos.

14. Supply, installation and testing of detectors for

deluge system

42 nos.

Total

6.1. The rate of each item of work as above shall, unless expressly stated otherwise, includes cost of:

All materials, fixing materials, accessories, operation, appliances, tools, plant, equipment’s,

transport, labour and incidentals required in preparation for and in the full and entire execution,

testing, commissioning and completion of the work called for in the item and as per specifications

and drawings.

Wastage on materials and labour.

Loading, transporting, unloading, handling/double handling, hoisting to all levels, setting, fitting

and fixing in position, protecting, disposal of debris and all other labour, necessary for the full and

entire execution and to fully complete the job in accordance with contract documents, good practice

and recognized principles.

Liabilities, obligations and risks arising out of conditions of contract.

6.2. The specifications and drawings wherever available, are to be read as complimentary to and part of the

bill of quantities and any work called for in shall be taken as required.


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6.3. In the event of conflict between bill of quantities and other documents including the specifications,

the most stringent shall apply and the interpretation of the Engineer in charge shall be final and binding.

6.4. All items, quantities indicated in the schematic layout are based on the engineering by VSSC. These

quantities shall be adjusted / amended after detail engineering and in accordance with the actual

requirement after the approval of drawings and specifications.

6.5. Contractor shall be paid for the actual quantity of work executed by him in accordance with the

approved drawings at the contract rates.

6.6. The rates quoted above are also applicable for any extra quantity arising due to change in design after

the placement of order. Upto 10 % variation can be expected in the estimated material quantity.

However, the party shall execute any additional work only with prior approval of VSSC.

7. OTHER TERMS AND CONDITIONS

7.1. Guarantee:

7.1.1. The contractor shall guarantee that all the systems installed shall maintain the specified

performance at least for 12 months after commissioning and satisfactory acceptance.

7.1.2. During the period of guarantee, the contractor shall be responsible for the performance of the

entire system, parts and components and / or for the defect that may arise from the use of faulty

planning, designing, materials or workmanship or from faulty erection but not otherwise ( i.e. on

account of the normal wear and tear).

7.1.3. During the period of guarantee, all complaints shall be attended within 24 hours of receiving call

from user. Any repair / replacement / services shall be provided at no extra cost.

7.1.4. The party shall furnish performance bank guarantee for 10% of basic cost towards due

performance of the scope of work against which final payment.

7.2. Handing over documents:

On completion of the work in all respects, the contractor shall furnish 4 Nos. Of handing over documents

containing minimum of:

i. System description-detailed specifications of all the equipment’s erected

ii. Operation and maintenance manual

iii. Pipeline layout diagrams as built approved by the department

iv. Design document of the system (Deluge and sprinkler at VM-II )

v. Qualification and acceptance test reports as per Quality Assurance Plan submitted and

approved.

vi. Inspection and performance test reports

vii. Performance guarantee certificates

viii. One soft copy of entire document in CD


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7.3. Schedule at a glance:

Following shall be the schedule of the activities

Sl. No. Activity Time period

1. Field survey for routing and marking the

Deluge/Sprinkler line network

Within three weeks from the date

of award of contract

2. Submission of design/layout drawings and QA

plan for approval

Within one month from the date

of completion of field survey.

3. Approval of drawings and QA plan by VSSC Within one month from the date

of submission of drawings.

4. Completion of installation, testing and

commissioning of all the systems

Four months from the date of

approval of design/layout

drawings

5. Handing over documents Within two weeks from the date

of commissioning of the system

7.4. Liquidated Damages clause:

If the party fails to complete the work within the time specified above or any extension thereof,

Department shall recover from the party as liquidated damages a sum of 0.5 % of the contract price of

the undelivered stores per week of the delayed unit/work subject to a maximum of 10% of value of

delayed unit or work. The total liquidated damage shall not exceed 10% of the units so delayed.

8. GENERAL CONDITIONS:

8.1. The party may visit site at RPP, VSSC before submitting their quotation to assess the scope of

work.

8.2. The Contractor shall give sufficient notice to all other agencies at site of his intention to test a section

or sections of piping and all testing shall be witnessed and recorded by Contractor’s site representative.

The test shall be carried out in the presence of the representative of VSSC. The contractor shall provide

services, required for the test.

8.3. Testing scheme and procedures shall be prepared and submitted to the department and get approved

before carrying out the tests.

8.4. The scope includes cutting of bushes for a total width of 5 m along the pipeline layout, trees, excavation

of sand for installing support pedestals, thrust blocks, laying of underground lines, road cutting for

laying trenches, re-surfacing at road cuttings.

8.5. The scope of work includes site clearance (after completion of job), so all the area shall be cleared of

debris and excess material left due to the work.

8.6. The cost incurred for minor variations, if any, in the quantity of items actually used or minor

modification in the system for the satisfactory completion of work after final approval of design

drawing has to be absorbed by the party.

8.7. Machinery, equipment, tools etc. required for doing the erection and commissioning job at site are to

be brought by the supplier. Services like power, water will be made available.

8.8. The supplier shall observe mandatory statutes (State or central) in employment of personnel for the

department for doing erection jobs.


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8.9. Department shall not be responsible for loss of material/damages or injuries to erection personnel.

However the supplier shall be responsible for any damage/ loss to the buyer’s property arising out of

the negligence of the seller’s personal.

8.10. The electric power supply will be made available for party’s erection tools and welding sets that run

on electric power. Party should make own arrangement for erection and the other facilities.

8.11. The supplier has to make their own arrangements for loading and boarding of their staff during

transportation, erection, testing and commissioning of the system.

8.12. Some restrictions may be imposed by the security staff etc. on the working and on movement of labour,

materials etc. The contractor shall be bound to follow all such restrictions/instructions and nothing

extra shall be payable on this account

8.13. The contractor shall take instructions from the Engineer in Charge for stacking of materials in any

place.

8.14. The work shall be carried out with least hindrance to the adjoining building and offices and the

contractors will be responsible for any damages, caused to the existing fixtures, electric fitting, etc. in

the course of execution and the contractor shall make good any such, damages without any claim for

extra.

8.15. The party has to obtain necessary fire permit/safety clearances from the Department for operations

near facilities such as gas cutting, welding, and excavation using JCB, before starting the work at site.

8.16. Party has to follow all the statutory regulations to ensure the health and safety of the employees at the

work site.

8.17. Use only M-sand for the related civil works.

8.18. Use of Hydra/JCB for road cuttings is permitted on Saturdays/Sundays only to avoid any

obstructions/delay in our normal production schedule.

8.19. After the successful commissioning of the fire pump, the system shall be handed over to VSSC with

Diesel Tank Full and the required oil.

8.20. Prior permission has to be obtained from the department for the contract labours to work after office

hours.

8.21. The specification sheet of the various bought out items shall be submitted along with the quotation or

uploaded in compliance matrix.


12

Annexures


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I. Annexure I (major bought out items)

Detailed specification of major components/items to be used for the fire protection system

1.1 Ductile Iron pipe

Sl No:

Specification /Requirement

a) Class K9

b) Type Ductile Iron double flanged pipe

c) Standard IS 8329 : 2000

d) Material Ductile Iron

e) Size (Dia) 200 mm

f) Pressure rating Not less than 16bar

g) Internal lining Cement Mortar lining

h) External coating Fire red colour (match with shade no.536 as per IS:5 or other similar shade) Bitumen coating over zinc coating.

i) Make Srikalhasthi pipes ltd./ Electrosteel

j) Acceptance criteria 1) IS marking on the pipe

2) Manufacturers’ inspection and test certificate

1.2 Mild steel with cement lining (galvanized) Piping for non-standard length pipe

Sl No:


a) Material and manufacturing standard

Mild Steel (galvanized) heavy grade conforming to IS 1239 or steel pipe conforming to IS 3589.

b) Size (Dia) 200 mm

c) Make Tata/ Jindal

d) Acceptance criteria 1) IS marking on the pipe


1.3 Bolt & Nuts

Sl No:

Specification /Requirement (for entire fire protection system)

a) Size/ Dimension As suggested by the manufacturer and to suit the flange rating

b) Head type Hexagon

c) Material Conforming to IS 1367 Material grade 4.6. Cadmium plated with yellow chromate passivation. Coating thickness shall be more than 10microns.

d) Acceptance criteria

1. Manufacturers’ inspection and test certificate

2. Random checking of the components at site


14

1.4 Ductile Iron Fittings

Sl No: Specification /Requirement

a) Compliance Standard IS : 9523

b) Size Matching with the line size based on the hydraulic calculation

c) Material Ductile Iron

d) Pressure rating Not less than 16bar

e) Acceptance criteria 1) IS marking on the fitting


1.5 GI Flanges (for connecting the non standard length pipe)


a) Material and manufacturing standard

IS: 6392 or equivalent (BS10(1962). Material grade equivalent or better than the pipe.

b) Size (Dia) Matching with the pipe size and the mating flange

c) Pressure rating Not less than 16 bar

d) Acceptance criteria 1) Marking on the flange


1.6 Gasket


a) Type Flat Rubber Gasket

b) Size As recommended by the manufacturer

c) Thickness 3-6 mm

d) Material EPDM ( ethylene propylene dimethyle monomer)

e) Standard IS 638

f) Service medium Water

g) Acceptance criteria As per IS standard.


15

Detailed specification of the major components/ items to be used in the Deluge System are

mentioned ahead

1.7 Piping (for deluge & sprinkler system)


a) Material Mild steel with cement lining (galvanized) heavy grade or steel.

b) Manufacturing standard IS 1239 part I or IS : 3589

c) Size As per the hydraulic calculation

d) Make Tata/ Jindal

k) Acceptance criteria 1) IS marking on the pipe

2) Manufacturers’ inspection and test

certificate

1.8 Fittings

Sl no Specification/Requirement

a) Material Mild steel (galvanized)

b) Size Matching with pipe size

c) Pressure rating Not less than 16 bar

d) Compliance standard IS 1239 (part II) or Malleable Iron fitting conforming to IS-1879 (Part I to X)

e) Make Reputed make only

f) Acceptance Criteria 1. IS marking on the fitting

2. Manufacturer’s inspection and test certificate.

1.9 Deluge Valve


a) Make HD FIRE

b) Model H5

c) Trim Wet pilot trim( maximum wet pilot detection line height & length as per the graph wrt supply pressure mentioned in catalogue )

d) Nominal size 200

e) Rated working pressure 17kg/cm2 (250psi) max


16

f) End connection Flange X Flange

Groove X Groove

g) Threaded opening BSPT

h) Mounting Vertical mounting or Horizontal

i) Factory hydrostatic test pressure 35ksc/ (500psi)

j) Flange connection ANSI B 16.5 or IS 1538

k) Finish RAL 3001

l) Approval UL Listed

m) Groove pipe size Nominal size Pipe OD in mm

8”(200 NB) 219.1

1.10 Sprinkler nozzle with Detector Bulb


a) Style Pendent

b) Temperature Rating 68OC (79o – only for detectors inside the mixer)

c) Approval UL Listing

d) Finish Chrome Plated

e) K- Factor 80 (metric)

f) Working pressure Not less than 12bar

g) End connection Not less than ½” BSPT

h) Make HD

i) Acceptance criteria 1. Marking on the Spray Nozzle

2. Inspection and Test Certificate by the

manufacturer


17

1.11 Spray nozzles

1.12 Pressure Gauge


a) Dial size At least 100mm

b) Range At least 0 – 21 kg/sq cm

c) Burdon tube and wetted parts Monel

d) Dial type White background black graduation scale

e) Case and bazel Polished stainless steel case. Glycerine filled

f) Mounting Direct

g) Window Hardened glass

h) Approval UL Listed and FM Approved

i) Connection Threaded

j) Make HD

k) Acceptance criteria 1. Marking on the gauges.

2. Manufacturers’ inspection and test certificate


a) Style With strainer

b) Orifice size and K factor According to flow requirement as per design calculation to meet the spray density requirements mentioned in section 3(design guidelines)


d) Finish Brass or Nickel Chrome Plated

e) Working pressure 1.4Kg/Sq.Cm. and above

Max working pressure should be at least 12Kg/Sq.Cm

f) End connection Not less than ½” BSPT

g) Make HD

h) Acceptance criteria 1. Marking on the Spray Nozzle

2. Inspection and Test Certificate by the

manufacturer


18

1.13 Alarm Gong


a) Working pressure At least 16 bar

b) Connection As recommended by the deluge system manufacturer

c) Gong diameter At least 205 mm

d) Gong depth At least 50 mm

e) Approval UL listed


g) Make HD

h) Acceptance criteria 1. Marking on the Alarm Gong 2. Inspection and Test Certificate by the

manufacturer

1.14 GI Flanges


a) As per section 1.5 in annexure I


19

1.15 Isolation Valve (Butterfly Valve)

Sl No:


a) Design and Manufacturing Standard

API 609 / EN 593 (BS 5155)

b) Testing standard API 598/ EN 12266-1

c) Type

Slimseal wafer type butterfly valve with integrally moulded elastomer body liner

d) Size Size of the pipe

e) Body Cast Iron to BS 1452 Gr 250

f) Body Liner EPDM

g) Seat EPDM

h) Disc SS to ASTM A351 Gr CF8/ CF8M edge polished

i) Shaft AISI 410 PTFE coated

j) Bearings Acetal

k) Flow control lever Speroidal Grey Cast Iron / Carbon steel (IS2062)

l) Operating pressure At least 16bar

m) Operation Manual up to 150mm and gear operated above 150mm

n) Gear Unit As suggested by the manufacturer

o) Make Audco

p) Acceptance criteria

Manufacturers’ inspection and test certificate

1.16 Strainer

Sl.No Specification /Requirement

a) Size Matching with the connected pipeline

b) Type Y-Type

c) Pressure rating Not Less than 16 bar

d) Body and cover Cast Iron

e) Mesh SS 316

f) Bonnet Bolt and nut SS 316

g) Draining plug SS 316

h) End Connection Flange end

i) Free flow area 2.5 to 3 times pipe flow area

j) Make Reputed


20

Detailed specification of the major components/ items to be used in the Sprinkler System

are mentioned ahead

1.17 Fittings


g) Material Mild steel (galvanized)

h) Size Matching with pipe size

i) Pressure rating Not less than 16 bar

j) Compliance standard IS 1239 (part II) or Malleable Iron fitting conforming to IS-1879 (Part I to X)

k) Make Reputed make only

l) Acceptance Criteria 1. IS marking on the fitting 2. Manufacturer’s inspection and test certificate.

1.18 Sprinkler with Detector Bulb

1.19 GI Flanges


a) As per section 1.5 in annexure I

1.20 Pressure Gauge


a) Same as section 1.12 in annexure I


a) Style Pendent

b) Temperature Rating 68°C


d) Finish Chrome Plated

e) K- Factor 80

f) Working pressure Not less than 12bar

g) End connection Not less than ½” BSPT

h) Make HD

i) Acceptance criteria Marking on the Spray Nozzle

Inspection and Test Certificate by the manufacturer


21

1.21 Alarm Gong


a) Working pressure At least 16 bar

b) Connection As recommended by the sprinkler system manufacturer

c) Gong diameter At least 205 mm

d) Gong depth At least 50 mm

e) Approval UL listed


g) Make HD

h) Acceptance criteria 3. Marking on the Alarm Gong 4. Inspection and Test Certificate by the

manufacturer

1.22 Alarm valve with retard chamber

Sl No:


a) Nominal size As per hydraulic calculation

b) Maximum service pressure At least 12 bar

c) Threaded opening BSPT

d) Mounting Vertical

e) End connection Flanged

f) Trim

Variable pressure trim. Galvanized fitting with brass valve with at least provision for, monitoring the pressure (upstream & downstream of the valve), drain the water from downstream and connecting the retard chamber and alarm gong. The trims shall comply with the manufacturer specification.

g) Hydro static test pressure As per the approval standard

h) Retard chamber Yes

i) Approval UL listed

j) Service medium water

k) Make HD

l) Acceptance criteria

1. Marking on the Alarm Valve.

2. Installation of the trim as per manufacturer recommendation

3. Inspection and test certificate by the manufacturer.


22

1.23 Strainer

Sl.No Specification /Requirement

a) Size Matching with the connected pipeline

b) Type Y-Type

c) Pressure rating Not Less than 16 bar

d) Body and cover Cast Iron

e) Mesh SS 316

f) Bonnet Bolt and nut SS 316

g) Draining plug SS 316

h) End Connection Flange end

i) Free flow area 2.5 to 3 times pipe flow area

j) Make Reputed

1.24 Isolation Valve (Butterfly Valve)

Sl No:


a) Design and Manufacturing Standard

API 609 / EN 593 (BS 5155)

b) Testing standard API 598/ EN 12266-1

c) Type

Slimseal wafer type butterfly valve with integrally moulded elastomer body liner

d) Size Size of the pipe

e) Body Cast Iron to BS 1452 Gr 250

f) Body Liner EPDM

g) Seat EPDM

h) Disc SS to ASTM A351 Gr CF8/ CF8M edge polished

i) Shaft AISI 410 PTFE coated

j) Bearings Acetal

k) Flow control lever Speroidal Grey Cast Iron / Carbon steel (IS2062)

l) Operating pressure At least 16bar

m) Operation

Manual up to 150mm and gear operated above 150mm

n) Gear Unit As suggested by the manufacturer

o) Make Audco

p) Acceptance criteria

Manufacturers’ inspection and test certificate


23

II. ANNEXURE II (Pedestal & trench)

1.1 Annexure-2a Details of pedestal


24

1.2 Annexure 2 b : Details of trench


25

III. Annexure III (layout for interconnection)

Layout diagrams for interconnection of the fire protection system

Layout for VM-II

specification document for fire protection system …...3.1.5.7. the gi pipe shall be joined to the...

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