Specification for water Tender


1.0 Chassis: 

The fabrication of water Tender shall be made TATA LPT 1613/TC 4225 WB Truck Chassis. The chassis is without drivers cab, wind shield and wiper. The chassis will be supplied by Delhi Fire Service.

2.0 General:

The appliance shall have water Tank capable of carrying 5000 ltrs. of water and shall be fitted with a pump at the rear of appliance and driven through the PTO.

3.0 Material selection and treatment

The choice of material to be used in construction of the appliance shall be made with a view to combine lightness with strength and durability.

3.1 The timber shall not be used for body construction.

3.2 All parts which form water ways shall be of corrosion resistance material or suitable treated with corrosion resistance compound. All metal pipe line shall be dipped galvanized after completing fabrication of pipe line inclusive of flanges/joints. All metal parts exposed to atmosphere shall either be corrosion resisting material or treated suitably to resist corrosion resisting material. Pipe used shall at least be of medium duty and shall with stand two times the maximum working pressure.

4.0 Water tank

4.1 The Water tank mounted on chassis shall be capable carrying 5000 ltrs. of water. It shall be of welded construction and fabricated out of mild steel sheet. The thickness of the sheet including baffle shall not be less than 3.0 mm. The tank shall be suitable baffled in both direction to prevent surge. The baffle shall be of bolted panel type and bolting shall be done with stainless bolts and nuts. The tank shall be so designed and mounted as to bring center of gravity of the appliance as low as possible and mounting shall permit full rated contents of the tank to flow into the pump.

4.2 Suitable lifting eye shall be provided on the shell of the tank to unable the tank to be lifted of the vehicle for repairs etc.

4.3 The tank shall be fitted with two man hole of 450 mm dia on the top of the tank. The cover of the man hole shall be hinged type. The drain pipe shall not be of less than 50mm dia through out and shall be taken down to the point well below the chassis without reducing the effective ground clearance. When fully loaded, it shall discharge away from the wheel.

4.4 One over flow pipe not less than 100 mm dia. shall be fitted to the tank and taken down to the point well below the chassis without reducing the effective ground clearance when fully loaded. The pipe shall be so arranged that the water will over flow while refilling the tank and no water shall over flow when appliance is in motion.

4.5 One filling pipe (hydrant connection) of not less than 63 mm shall be fitted to the tank. It shall be fitted with 63 mm male instantaneous coupling. This connection shall be fitted with gate valve to prevent water leaking through the filling pipe.

4.6 The tank shall be provided with cleaning hole at the bottom of not less than 250 mm dia. and shall be fitted with bolted cover.

4.7 Suitable arrangement shall be provided for self filling the water tank directly from the pump using 50 mm pipe and control valve.

4.8 The water tank with all its fitments shall with stand hydraulic pressure of 0.3kgf/cm2.

4.9 All plumbing shall be reasonably accessible for maintenance purpose. Screwed bends, flange joints shall be avoided as far as possible.

4.10 The tank shall be sand blast before giving an epoxy treatment. The epoxy treatment shall consist of two coats of primer with two coat of epoxy finish.

5.0 Pump

5.1 A high cum low pressure light alloy/gunmetal pump shall be fitted at the rear of the appliance capable of delivering as under:

1800 Lts/min at 7 kg/cm2 (Normal pressure)

250 Lts/min at 30 Kg/cm2 (High pressure)

Both H.P. & LP can be operated simultaneously.

5.2 The pump shall be provided with two delivery outlets of 63 mm quick release coupling and a suction inlet of 100mm round threaded male coupling as per I.S.

5.3 The pump gland shall be self adjusting mechanical seal type.

6.0 Primer:

6.1 A water ring/reciprocating primer (twin piston type) capable of lifting water at least from 7 m depth with in 30 second shall be provided.

6.2 The primer shall come into operation automatically as and when required and get disengaged automatically when the priming is over.

7.0 Hose reel:

Two Nos of high pressure hose reel (one on either side) fitted with trigger operated fog gun (adjustable from high velocity jet stream & low velocity fog through actuation of the trigger) shall be installed. The length of the hose shall be 45 m with manual operated mechanism to roll the hose shall also be provided. The connection between the fog gun and the hose shall be using sure lock coupling and an additional spare hose real of 45 m. long on self supporting stand shall be supplied along with above. The coupling on either end of this reel shall be sure lock type.

8.0 Monitor:

The appliance shall be fitted with water monitor at the top with suitable control valve near the pump as well as near the monitor. The monitor shall be capable of delivering 1100 LPM at 7.0 kg/cm2 with a throw of at least 30 m. The monitor shall be capable of transferring to 360º in horizontal plan and +45º vertically. The monitor shall be provided with a suitable nozzle made of aluminum alloy.

9.0 Body work/stowage/cabin:

9.1 Enclosed accommodation with double compartment for six person with driver and Officer in the front and a crew at the rear shall be provided. The driver seat shall be of adjustable type. The design of the cab shall be such that it affords max. possible vision. Two hinged door shall be provided on both side of the appliance for easy access to driver and crew. All door shall open outward and hung forward. The locking arrangement shall be with double catch striking plate. Non slip step and grab rails coated with plastic shall be provided to assist the driver and crew to get in and out. All the seats shall be fitted with 100mm thick foam cushion. All window shall have safety glasses and all glasses be fitted with winding type regulator. Two number sun visors shall be provided one on each side. The construction of cab shall be such that the roof shall support the weight of two men without damage.

9.2 The cab and lockers should be composite construction with sufficient rigidity reinforcement and to be kept as light as possible. The entire structure be made of 32 × 32 × 1.6 mm square tube of M.S. 16 gauge aluminum sheet shall be ‘used for exterior paneling work all over. For inner wall of the lockers, 16 gauge mild steel sheet shall be used. 2.5 mm thick aluminum checker plate shall be used for locker & cab floor. Inspection/maintenance hatch of removable type shall be provided in the cabin for gaining access to gear box/P.T.O.

9.3 There shall be two lockers, one on either side of the chassis at the rear of appliance for stowage, in addition to a through & through locker just behind the crew cab. The lockers shall be composite construction. the doors of the lookers shall have efficient means for holding them closed by efficient flush fitting spring loaded locks and hinged at sides. Inner walls of the locker shall be of 16 gauge MS and 2.5 mm thick aluminum checker plate for flooring. All lockers shall be weather proof & self draining type. All lockers shall be provided with internal automatic lighting arrangement with the master switch in the cab. The pump and other fitments shall be covered by hinged door with suitable locking device at the rear.

9.4 The suction hose tunnel shall be provided at suitable location for carrying four number of 2.5m long, 100mm dia. suction hose.

9.5 Ladder gallow:

Ladder gallows shall be provided for carrying 10.5m aluminum extension ladder. The design shall be such that the ladder can be released without difficulty from reasonable access position and shall embody rollers/bearing to permit easy withdrawal by one man. Means shall also be provided for locking the ladders when stored.

10.0 Revolving light/fire bell:

10.1 Two revolving light of amber color shall be fixed on the roof of the cab. (one on either side). A two tone siren with necessary amplifier and operating control shall be fitted in front of officer seat. The revolving light and electronic two tone siren shall be of "Grand Make" Model GM 103 TF and GES - 40 FTF.

10.2 One fire bell of 250 mm dia natural tone carillon shall be mounted externally and capable of being operated within the crew compartment shall be provided.

11.0 Control panel:

the following control shall be provided at the rear pump operating panel.

a) Pressure Gauge: 0 to 40 kgf/cm2

b) Compound Gauge calibrated as

i) Pressure 0 to 7 kfg/cm2 (in black)

ii) Vacuum 0 to 75cm Hg (in red)

c) Engine throttle control

d) Pump hour meter in cabin or dash board.

e) Audio cum visual warning arrangements at driver cabin and pump panel at rear for engine temperature exceeding 90º.

12.0 Valves:

All valves used in the water lines shall be gunmetal gate valve with relevant I.S. marking.

13.0 Workman ship and finish

13.1 All parts of the appliance shall be of good workmanship and shall have streamline finish. All mechanical and other part shall be such that parts normally required to be replaced can be supplied and fit correctly.

13.2 The appliance shall be painted fire red (two coat) conforming to shad 536 of LS. 5-1978 and paint shall conform to IS 2932. Necessary anti-corrosion and priming coat shall be applied before painting in order to achieve gloss finish. The under chassis shall be painted black. The inside of locker and driver/crew compartment shall be painted cream.

13.3 Fire Service insignia shall be painted on both side of the appliance in golden & black and lettering "Delhi Fire Service" shall also be painted on either sides of the appliance in gold & black paint.

14.0 Accessories & equipments:

a) Fog lamp fitted in front of appliance - 02 NOS.

b) Reversing lights fitted at the rear of appliance - 01NOS

c) Delivery hose 50 mm dia, 30 m long ISI 636 type-A, ISI mark with heavy duty G.M. Couplings Instantaneous, 63 mm male & female duly binded using copper wires - 15 NOS.

d) Delivery hose 38 mm dia. 15m long ISI 636 type-A, ISI mark with heavy duty GM couplings instantaneous, 63 mm male & female duly binded using copper wire - 05 NOS

e) "Escorp" Rechargeable Dragon/Search light - 01 NOS 55w/12v H3 type halogen lamp powered with maintenance free battery of 12V, 7Ah with necessary control complete with charger –01 Nos.

f) Lightweight, fog and straight stream pistol grip nozzle, having 63mm male instantaneous inlet with automatic constant pressure 100 psi regulated and variable flow output 50-450 Lts/min. The nozzle shall have a molded rubber bumper with power fog teeth, detent flow control, grabber inlet screen, pistol grip, stainless steel valve and capability to flush without shutting down, The main body shall be of extruded hardcoat anodized aluminum –02 Nos.

g) Fire hook as per IS 927- 01 Nos.

h) Foam making branch- FB-5X with pick up tube -01 Nos.

15.0 Acceptance test:

The following test shall be carried out before accepting the vehicle. These shall be carried out at the manufacture works. All material required during the acceptance test will be provided by the manufacturer.

15.1 The front axle, rear axle and total weight of the loaded appliance shall be checked and the same should not exceed the manufacturer specifications.

15.2 The pump shall be run for a period of 4 hours non stop to check the rated output at varying pressure as per clause 5.1. The engine shall show no sign of distress during the test.

15.3 Primer Test: The priming system shall be tested for the requirement as laid down in clause 6.1. This shall be carried out immediately the pump out put test. The water tank shall be tested as per clause 4.8.

16.0 Manufacture guarantee certificate

16.1 The manufacturer shall furnish a guarantee for the material, workmanship and performance of the appliance for a period of one year from the date of receipt of equipment.

16.2 The manufacturer shall be responsible for replacing any part which may become unserviceable during the above period due to substandard material/bad workmanship free of all charges.

17.0 Note

The manufacturer may take note of the following points before submitting the tender documents.

17.1 Vendor shall submit three sets of drawings showing plan, section & elevation along with load distribution diagram with the appliance fully loaded with their offer. All material specification and quantity shall also be supplied along with the offer. Successful vendor shall start the fabrication only after getting the approved drawing without these the technical bid will not be considered and stand rejected

17.2 The vehicle shall be inspected in two stages.

a) After completion of basic frame work, water tank ready but not mounted, pump ready but not mounted.

b) Acceptance test as per cause 17.0 once the vehicle is ready in all respect.

17.3 The fabricated vehicle shall meet all the regulation with respect to motor vehicle act/RTO regulation enforce and in no case exceeds the manufacturer specification w.r.t. chassis.

17.4 The delivery of the chassis shall be given to the successful vendor from workshop, Delhi Fire Service and the accepted vehicle shall be delivered at the DFS workshop by the vendor.

17.5 The pump shall be coupled to the prime mover of the chassis through a suitable PTO capable of transferring full torque of the engine. A control lever for engaging and disengaging the pump with suitable locking device shall be provided in driver’s cab. The fabricator shall submit proof of purchasing a brand new PTO unit.

Last Update Date :- 04-05-2018

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  • Page last updated on: 21-03-2023