Our standard Specification of Multipurpose Fire Tender

Transcription

1 Our standard Specification of Multipurpose Fire Tender 1.0 Scope of Supply: 1.1 This specification covers design, materials construction features, manufacturing, inspection & testing at our/sub vender's works, suitable painting & performance testing requirements, workmanship & finish, accessories & equipment of multipurpose fire tender as per IS950 & IS for fire brigade use. 2.0 Vehicle Chassis: The chassis carrying our fabrication work of Multipurpose Fire Tender will be of TATA 1613/48 Cowl chassis. The chassis will be equipped with power assisted steering. 3.0 General Requirements: 3.1 The Multi Purpose Fire Tender will be designed & manufactured as per BIS/ISI & sound engineering practice. All the equipments & accessories will be fixed on the appliance in a compact & neat manner & will be so placed that each part is easily & readily accessible for use & maintenance. The vehicle will incorporate a Fire Pump having water discharge capacity of atleast 3200 LPM at 8.5 Kglcm 2, a water tank of 4500 Ltrs. capacity made of SS304 & Foam tank of 500 Ltrs. capacity made of SS 316L. drag hook or eye of adequate strength & design will be provided at the rear & front of chassis. 3.2 The water tender will be fabricated in a manner so as to confirm to the following characteristics: a) GVW will not be less than GVW of chassis mfgr. Specification with all equipment & crew. b) Maximum speed on level road fully laden will be 72 Kmlhr. c) Acceleration from a standing start through the gears (fully laden) will be 64 Km/hr in 55 sec. d) The appliance will be capable of being started from rest on a gradient of 1 to 4. e) When traveling at 48 KmIhr on a level dry surface the foot brake will be capable of stopping the vehicle within a distance of 15 Mtrs. from the point at which brake is applied. The hand brake will be capable of holding the fully laden appliance on a dry surface gradient of 1 in 4 when in neutral gear. f) The appliance will have following overall dimensions. Wheel base : Not more than 4500mm Turning circle: Not more than 20 Mtrs. Road clearance: Not less than 23 cm Overall width: Not more than 2.50 Mtrs. 3.3 All parts, which will form waterways or come into contact with water will be of corrosion resisting material or would be made of material duly treated for anti corrosion. All metal parts exposed to atmosphere will either be of corrosion-resisting material or treated. 3.4 Lubricating nipples will be provided wherever necessary. 4.0 Design & Construction: 4.1 Engine: The engine will be provided with cooling system to permit its continuous stationery running without overheating. Indirect cooling system will be incorporated, if necessary which will be of the open circuit type discharging water to the waste. Arrangement will be made to divert the cooling discharge water to water tank, if necessary The operating temp of the engine cooling water will preferably be thermostatically controlled The oil in the oil sump will be prevented from overheating Suitable gauge for cooling water & glow lamp for lubricating system will be provided in the driver's cab & on the pump panel. This will be marked with operating temp External filter will be provided for the lubricating system & a tubular dip stick to gauge the level of oil in the oil sump will be provided Electrical System: A trickle type battery charger will be provided for recharging the battery in situ. A red pilot lamp,

2 indicating when the batteries are being charged from an external supply, will be provided All important electrical circuit will have separate fuses suitably indicated & will be grouped into a common fuse box located in an accessible position from drivers cab & fitted with means for carrying spare fuses. The wiring will be single pole & will not be exposed to the atmosphere. All wiring will be properly fixed in position & will be protected against heat, oil & physical damage wherever necessary wiring will be passed through conduits / sleeves Water Tank- It will have capacity of 4500 Ltrs The tank will be constructed out of SS304 treated for anti corrosion will be suitably mounted on the chassis in a manner keeping in view the proper load distribution on the axles. The thickness of sheets will be a min. 5mm for the bottom & 4mm for the sides, baffles & top. The tank will be fitted in such a manner that it will allow the full flow of water to pump. The tank will be suitably baffled to prevent surge when the vehicle is braking, cornering, accelerating & turning. The baffles will be arranged in a manner to facilitate the passage of a man throughout the tank for cleaning purposes. The tank will be mounted on three cross bearers to counteract stresses caused by chassis flexing & will be so secured that it can be removed. The tank body & baffle will be min. 4mm thick The tank will be fitted with a 75mm bore overflow pipe taken down to a point well below the chassis without effecting the effective ground clearance when fully laden & discharge away from the wheels. Min. 2 Nos. 63mm inst hydrant connections incorporating a strainer will be provided close to the pump panel for filling the tank through suitable bore pipe work or feeding the hose reel equipments. A 150mm bore pipeline will be taken from the tank to the suction inlet of the pump incorporating a 150mm quick action spherical type butterfly valve. Separate valve/s for performing all the function detailed elsewhere in the specification will be provided to control the flow of water to the hose reel equipment. Drain plugs or drain cocks will be provided wherever necessary The tank will be given adequate anti corrosive of epoxy treatment consisting of one coat of primer with two coats of finish paint after preparing the surface after fabrication if it is not galvanized/plated A visual level gauge of the PVC tube will be provided at the control panel calibrated 1/4,1/2,3/4, & full (preferably calibrated in Ltrs.) The tank will have a bolted manhole of 450mm dia min. A cleaning hole of atleast 250mm dia will also be provided at the bottom of the water tank for repair/maintenance The tank will be connected with the pump & nose reel & valve/s will be provided in such a way that any of the following operation are possible: a) Tank to pump b) Pump to heat exchanger (cooling system) c) Auxiliaries connections d) Hydrant to hose reel e) Pump to hose reel Foam Tank: f) Tank to water level indicator g) Hydrant to tank via pump h) Hydrant to tank direct i) Tank to pump to monitor (Foam / Water) A Foam tank of 500 Ltrs. capacity fabricated from SS 316L die pressed stiffeners plates of min. 5mm thickness for bottom & 4mm for sides & top will be provided. The foam tank will be of rigid type welded construction. The cleaning hole of 250mm & drainpipe with a ball valve & plug incorporated in it will be provided. The tank will have filling orifice of not less than 150 dia with a removable strainer fitted to it. The strainer will be such material as will not be affected by constant contact with foam compound & its total screening area will be adequate to permit quick filling of foam compound into the tank. The filler cap will be clearly marked FOAM preferably by press embossing. The tank will be suitable baffled to prevent surge while the vehicle is in motion or standing on uneven

3 ground or brakes are applied to the moving appliance. The design of the tank will incorporate removable sump fitted with a drain valve. The foam draw off tube will be positioned in the center of the sump in such a manner that foreign matter or sludge will not pass into the compound line. The draw off tube will be fitted with a gauge strainer of suitable material, mesh, size & adequate straining area. The paneling over the tank top will be removable & it will be ensured that the joint between the paneling & the body of the tank is leak proof. The tank will be provided with breather (automatic type) in the tank & atleast 2 os. The space will be left for expansion. Inspection hole of 450mm with cover will be provided. Means will be provided for automatic venting of the foam tank when the foam is being produced or the tank is being filled. This will be incorporated with the cap. The device employed will be simple & will not get clogged easily during normal use of the appliance. The draw off tube will be connected to the foam proportioner with 1 RV in addition to the main control valve. The draw off pipe will be fitted with removable strainer of suitable material. Provision will also be made for drawing foam compound into the foam producing system from an external source through a pick up tube while producing foam Hose Reels: Normal Pressure Hose Reel: One hose reel (conforming to 1S884) will be provided at rear with 60M length of 20mm bore hose connected by screw "C' type quick release coupling & terminating with control branch & 5mm nozzle. The reel will be fitted with over brake or locking device Pump: The pump will be designed to give a rated output of 3200 LPM at 8.5 Kg/cm 2 with an engine & pump input at shaft speed safe enough to operate the engine. The pump will give performance as detailed below when working with strainers (except basket strainer) at 27±2 c. Output Pressure Lift Remarks 3200 LPM 8.5 Kg/cm2 3 M When working through 2 x 2.5m length of suction hose The material of construction of pump & its control panel will be as follows: Sr. Description Material 1 Casing Copper alloy 2 Impeller Lead tin bronze 3 Shaft SS 4 Panel M sheets Pump Test:The pump will be run for a period of four hours non stop delivering the rated output at 8.5 Kg/cm2 with a lift of 3 M. during the test the water will not be replenished for the cooling system & the temp of the engine oil would not exceed 115 c or of the engine mfgr. Rated temp for continuous working whichever is less. The engine would show no sign of stress during the test. The temp. of the cooling water (radiator water) tank will not exceed 85 c. The PTO sump oil temp will not exceed 100% of the mfg. recommended temp. for the grade of oil used. The pump casing & impeller will be subjected to a hydraulic pressure if 21 Kg/cm2 to detect leakage, perforation etc Suction Inlet & Delivery Valves: The pump will have suction inlet/s having 125mm standard suction connection as per IS902 with internal strainer/s & blank cap/so The strainer/s will be retained firmly when in use but will be easily removable The pump will be provided with four delivery valves having 63mm standard hose couplings as IS 903 with screwed wheel type quick closing clack valve conforming to IS4928. blank caps fastened with

4 chains & incorporating means to relieve pressure between the valve & the cap will be provided one for each delivery valve Primer: The primer will be capable of lifting water atleast 7 m (measured form water level to the centre of pump) in not more that 24 sec & will preferably be fully automatic. The allowance will be 30cm for every 300m elevation above sea level & 1 % for 2.5 c rise in water temp. The high pressure pump will be directly fed from the tank If the primer is of the reciprocating type, means will be provided to automatically limit the speed of engine while the primer is engaged The primer will be constructed of light alloy. Casting will have SS shaft & will be fitted with suitable lubricated bearing depending upon the type of primer In case of reciprocating type primer, the selection of materials will be made with a view that no major part is required to be replaced in course of service & the material used for these parts will be phosphor bronze & SS depending upon their respective strength & use. The caps of primer & springs will be properly secured. The primer lever will be easily accessible from the operator/s position In case of reciprocating type, the primer will be preferably designed with a view to primer when that pump is running at speed of 1000 or 1500 RPM Control Panels: Adequate illuminated pump operating control panel will be provided on the rear of the Fire Tender. All controls of the system will be spaced properly & marked for easy operation. All valves will be lever operated type & will be made of SS with Teflon seats. All other controls including P A system will be provided at driver's cab. All control panels will have clearly written operating instruction plate. Adequately illuminated pump operating panel will include the following: 1.Pump Pressure gauge. 2.Hydrant connection for water tank filling pipes. 3.Delivery outlets of the pump along with blank cap. 4.Suction inlet of the pump with blank cap. 5.Control for using the auxiliary foam pick up tube. 6.Operating & flushing out instruction plate. 7.Control for water tank to pump valve. 8.Pump RPM meter for shaft speed. 9.Control for flushing out foam equip. & piping. 10.Compound gauge. 11.Valve for hose reel. 12.Light point of pump panel. 13.Drain valve. 14.Gauge for cooling water & glow lamp for lubricating system 15.Cooling water circuit control 16.Primer control 17.Control for using monitor 18.Pump to foam monitor 19.Hydrant to hose reel connection 20.Around the pump proportioner connection 21.PTO engagement indicator 22.Driver's calling bell The following will also be provided at a convenient position near the control panels

5 a) Water level indicator b) Five way control valve c) Hydrant connections Body Work & Stowage: Enclosed accommodation for six persons will be provided in the driver cab cum crew compartment including the driver & fire officer. The driver & fire officer seat will be of an adjustable type (freely adjustable). All seats will have foam cushion & of best quality rexin. Provision will be made to store BA set in the back rest of the driver, officer & the crew seats with suitable clamps & brackets where the BA sets (Single cylinder) will rest & will not be kept in a hanging condition. Two doors on each side will be provided on the driver cab cum crew compartment. The doors will be hinged opening outwards & will be hung forward & will have catch locks & flush type handles. Door will be fitted with safety glasses & winding type regulators. Below the crew seat space will be provided for storage of equipments. Pressed sections of sufficient strength will be used for the super structure The cab & lockers will be composite construction with sufficient rigidity & reinforcement & will be kept as light as possible. Pressed sections of sufficient strength will be used for the superstructure Adequate Nos. of lockers will be provided for stowage of all equipment. The height of the lockers from the bottom to the top of opening will be not less than 600mm & the depth not less than 600mm All lockers will be provided with internal automatic lighting arrangement with the master switch in the cab. The doors of the lockers will have efficient means for holding them closed by efficient flush fitting spring loaded locks. The doors of the side lockers with the exception low lockers will not be hinged at the bottom; doors of the low lockers hinged at bottom will have not less than 5cm ground clearance Hose tunnels will be provided to carry four 2.5 m lengths of suction hoses on convenient location. Drain holes will be provided preferably at the bottom of the tunnel & hose stowage compartment Ladder Gallows: Gallows will be provided to carry a 10.5 M, trussed aluminium extension ladder of heavy duty quality. 1 No 10.5 m ladder will also be provided. The design will be such that the ladder can be released without difficulty from a reasonably accessible position & will embody rollers to permit easy withdrawals by one man. Means will be provided for locking the ladder when stowed Tool Kit Container: A specially fitted recessed tray for the normal kit of tools, carried on the appliance will be provided Stability: The stability of the appliance will be such that when under fully equipped & loaded conditions (but excluding crew) if the surface on which the appliance stands is tilted to either side, the point at which overturning occurs is not passed at an angle of 27 from the horizontal. Material Section:The material to be used for construction of the tender will be made with a view to combine lightness with strength & durability & corrosion resistant. All metal fasteners will be heavy duty type & galvanized. Outer body will be made of 16 gauge aluminum sheet with fine finishing & painted with gloss superior quality paint Foam Proportioning System: The foam induction will be automatic or manual, if one branch is in operation, all further addition & removal of branches will automatically adjust the rate of foam compound induction within variation of 0.5% the induction ratio not exceeding 6% DCP System: 2x50 Kgs. capacity each DCP Fire extinguisher will be provided at the convenient position on the appliance. DCP extinguishing system will have 10 Mtrs. high pressure hose with pistol type discharge nozzle. The DCP vessel will be fitted with C02 cylinder for expelling DCP. The DCP containers will be lead tin alloy coated by electrolyte process for anti corrosion CO 2 System: 4x22.5 Kgs. capacity CO 2 cylinders each in a battery of 2 on each side with one manifold for each set will be provided. These will be provided with a hose reel for each CO 2 battery & the same will be fitted with a 15 Mtrs. long high pressure hose. These cylinders will be placed in lockers at a convenient position in the tender. CO 2 cylinders would have CCOE, Nagpur approval.

6 R Power Take 0ff Unit: Heavy duty full torque PTO unit will be fitted behind the engine gear box, to drive the main pump at the rear. The lever of the PTO unit will be fitted in the driver's cabin. A suitable cooling system (copper coil) will be inbuilt in the PTO to cool the oil in the PTO. Max. through torque of PTO will not be less than the max through torque of the chassis engine. The PTO will be connected to the chassis gear box & the pump through heavy duty propeller shafts & centre bearings etc. The PTO will be capable of being pneumatically or manually operated. The high pressure pump will be engaged with other PTO. The PTO would be of a proper gear ratio to drive the pump at the required RPM without loss of power from the engine & also preventing engine overheating. The PTO runs at an RPM of 1000 which is the exact requirement for the high pressure pump. This PTO delivers the sufficient amount of power required for the high pressure pump. The PTO calculations in support of the pump are enclosed Long Range Foam / Water Monitor: One Aqua-foam monitor will be mounted on the top of the appliance in such a manner that it can be manually operated by a crew member. The monitor will be capable of traversing through 360 in horizontal plane. Elevating from horizontal to 45 & depressing from horizontal to not less than 15 & fully rotating in both directions. The monitor will be capable of projecting the foam discharge to an effective distance of not less than Mtrs. in still air. Expansion ratio will not be less than 1 : Emergency Light Bar with P.A. System: An emergency light bar Red/Amber & Blue will be fitted on cabin rooftop with P A system, control of same will be provided inside driver's cab in front of off seat. 2 nos. danger light & of electric siren will be provided in addition to light bar. 5.0 Workmanship & Finish: 5.1 All parts of the appliance will be of good workmanship & will have streamlined finish. 5.2 The appliance will be painted fire red colour conforming to Shade No. 536 of IS:5. the paint will conform to IS:2932. & there will be caption FIRE SERVICE. 5.3 The weight distribution dia will be enclosed with the offer. 5.4 The driver's cab & inside lockers will be painted grey colour of best quality enamel. All parts will be painted with anti corrosive primer prior to final painting. All painted portion will show the finishing & glow. The chassis & wheel arches will be painted black, water line painted red, foam line painted in black & red strips. Two coats of anti corrosion & priming wili be applied before painting. 6.0 Instruction Book, Accessories & Equipments: 6.1 Instruction Book: Instruction book along with maintenance manual will be provided along with the vehicle. The book will include itemized & illustrated spare parts list. 6.2 The following accessories will be provided in addition to those normally fitted. a) Fire Bells: 250mm dia fire bell mounted externally & operated from driving compartment. b) Head lamps - Two c) Fog lamps - Two d) Reversing light - Lamp suitably situated to assist reversing. e) Amber blinkers lights - (2 Nos.) Situated on the head of the driving compartment. f) Trafficators - Illuminated with indicating lights on instrument panel. g) Wind screen wipers - 1 Set h) Tools for general maintenance kit: Required for routine maintenance, not included in chassis kit. i) Revolving illuminations bars with hooter (Siren) - Battery operated j) Search light with 30M cable: flood or beam, capable of being disconnected & mounted on tripod away from appliance, complete with tripod & 30m of TRS cable on a reel. k) Spot light: Adjustable, mounted in a convenient position on the near side of the driving compartment.

7 I) Inspection lamp - Protected type on wander lead with plug. A socket will be provided in the control panel in the driver's cab for plugging in the lamp. m) Tail lamps - Two of combined stop & tail. n) Rear reflectors 0) Cab, instrument panel & locker, lights. p) Wind screen - Washer - fit in a suitable location with controls in driving compartment q) P.A. System Marking: 7.1 Each appliance will be clearly & permanently marked with the following information: a) Manufacturer's name, or trademark, if any b) Engine & Chassis Nos. c) Capacity of the pump in LPM & capacity of Water & Foam tank in Ltrs. d) Year of manufacture. e) Company emblem 8.0 Completion / Delivery Schedule: 4-5 months from receipt of chassis. f) g) List of Equipments will be supplied with the Multi Purpose Fire Tender 1.Aluminium extension ladder Trussed type-l0.5m Length of heavy duty type (IS 4571) 0 2. Rubber gloves 01 pair 3. a) RRL hose type A ofis 636/ 15 Mtrs. with 63mm delivery hose couplings (IS 903)- 180M b) CP hose as per IS8423 in 30 Mtrs. lengths fitted with delivery hose couplings 150M 4. Suction strainer 125mm size (IS 907) 01No. 5. Basket strainer, cylindrical type (IS 3582) - 01No. 6. Dividing breaching with control instantaneous pattern 63mm (IS 905) 02 Nos. 7. Collecting breaching with control instantaneous pattern 63mm (IS 905) 02 Nos. 8. Suction wrenches - 01 pair 9. Long line, 50mm manila ropes, 30 Mtrs. long (IS 1084) - 02 Nos. 10.Short line, 40mm manila ropes, 15 Mtrs. long (IS 1084) - 02 Nos. 11. Fire hook - 02 Nos. 12. First aid box for 10 persons - 0 Optional Equipments for Multi purpose Fire Tender. 1. a) Hose clamps (IS: 5612, Part-I) 25 Nos. b) Hose bandages (IS:512, part-h) - 25 Nos. c) Hose slings - 20 Nos. d) Hose straps - 20 Nos. 2. PVC Suction hose complete with round thread coupling to suit the pump inlet 2.5M long - 04Nos way suction collecting head 100mm size (IS :904) Fog nozzle with extension applicator with fog head (IS:952) Hand controlled branch for 63mm size hose coupling steel Branch pipe - 04 Nos. 7. Nozzle of sizes 12mm, 16mm, 20mm, & 32mm (2 each) (SS/GM) (IS:903) -08 Nos. 8. Adapter for 1OOmm suction female screw coupling & 63mm male instant. (GM)- 02 Nos. Adapter double female instant: pattern 63mm (GM)- 02 Nos. Adapter double male instant: pattern 63 mm (GM)- 02 Nos. 9. Nozzle Spanners (ls:903)ms- 02 Nos.

8 10 Hand lamp (torch - 4 cells) 11 Foam making branch FB-5X with pick up tube (IS:2097) 12 Lowering line-50mm 40m having one spliced end & one with running noose.(is:1984) 13 Canvas buckets 14 Axe, Large (IS:703) 15 Spade 16 Pick Axe (IS:273) 17 Crow Bar (IS:704) 18 Sledge hammer,(is:841) 6.5 Kgs. 19 Carpenter's saw, 60 ems (ISL5098) 20 Spanner, adjustable, 30cm length handle (IS:6169) 21 Door breaker 22 Hydraulic jack - 10 tones 23 Tool Kit (for normal other than supply with chassis - 7 tools) 24 Grease Gun ~ Kg. size lever type 25 Oil feeder 26 Can oil - 2 Ltrs. 27 Can oil 10 Ltrs. 28 Funnel for oil or fuel filling 250mm 29 File bastard 30cm (IS:931) nfl'iuu"ojuu.,c;uvu.>uullltiolly' 2 Nos. 2 Nos. 2 Nos.