SPECIFICATION FOR FIRE FIGHTING PUMPSETS (DIESEL ENGINE DRIVEN) FOR COCHIN TERMINAL ELATHUR & IRUGUR DEPOT

Transcription

1 HPCL SUPPLY Of FIRE PUMPS SPECIFICATION FOR FIRE FIGHTING PUMPSETS (DIESEL ENGINE DRIVEN) FOR COCHIN TERMINAL ELATHUR & IRUGUR DEPOT 1. FIRE PUMPS Straight centrifugal pump conforming to IS-9137/1520,Horizontal split casing with glands,inlet and outlet flanges to ASA 150 RF drilled to Ansi B 16.5,.Performance rating,material of construction and other relevant data for the pumps are given under: PARAMETERS REQUIREMENT Service Working temp. Duty point capacity Differential head Water Ambience Kl/hr.x Kl/hr x6 105m MATERIAL OF CONSTRUCTION : Casing Impeller Shaft CI Bronze SS-410

2 No. of units required 2 x 410kl/hr-Elathur 3 x 275kl/hr Cochin 3 x 275kl/hr- Irugur The pumps shall be capable of discharging 150% of its rated discharge at a minimum of 65% of the rated head.the shut-off head shall not exceed 120% of rated head for horizontal centrifugal pump. NOTE:THE pumps quoted should be NFPA 20 Compliant 2.DIESEL ENGINE CODES AND STANDARDS The diesel engine shall be single acting, mechanical injection type and shall be furnished with at least minimum equipment according to the standard practice. The horse power rating, auxiliaries, guarantees of fuel consumption, parallel operation, governor performance and torsional vibration shall be in accordance with relevant code. BS : 5919 : Reciprocating IC Engines BS : 649 : Diesel Engines for general purpose BS : 1600 : Type testing of constant speed internal combustion engines for general purposes. BS : 1601 : Performance of constant speed internal combustion engines for general purposes. BS : 1460 : Specification for diesel fuels Water cooled diesel engine of rated speed 2100/1500 rpm and conforming to BS 649/BS 5514 suitable for above pumps. Engine shall be supplied with all the standard accessories such as Governer,flywheel with housing,vibration dampener,silencer of industrial type,sparkarrestor,air cleaner,fuel/lube filters,starter with battery system and charger,cooling water system,epicoated fuel tank of 8 hours capacity with dial type level indicator and fuel tubings,engine instrument panel comprising starter switch,lube oil

3 temperature/pressure guage,cooling water temp(inlet/outlet) gauges and pressure guage,ammeter,tacho-cum-hour meter,fuel guage,audio-video signals for low lube.oil pressure,high water temp,engine over-speeding,low fuel level visual signals for engine running normal,battery charg ing/discharging,selector switches and trickle/boost battery charging and auto/manual starting. Aprroved Diesel Engine Make:-KOEL/COTTON GREAVES LTD/CUMMINS/CATERPILLAR. 3. BASE AND COUPLING The engine and the pump shall be mounted on a Fabricated MS base plate of sturdy design,coupled together using a spider coupling and aligned perfectly. 4. AUTOMATIC START CONTROL PANEL. The supplier shall supply necessary control panels with instruments mounted therein. All the interconnections between panel and equipment will be carried out by others for which purpose the supplier shall apply adequate quantities of tubing, wiring, fittings, terminal boxes etc. For this purpose the distance between panel and diesel engine can be assumed as 10 M. Details of any requirement and restrictions, if any should also be indicated. The offer shall include a complete list of instruments and accessories that would be supplied indicating items to be sent loose. In particular the pressure switches to control the pump starting and maintaining the header pressure shall be supplied loose for installations by others at site. All other instrumentation components shall be supplied preferably installed. Each set shall be provided with control panel which Will house the equipment necessary for auto starting Of the engine when pressure falls, the actuating hydr-ant pressure switch of suitable range with sensors and circuit wiring etc.the circuit to be designed to give audio/video signals in case of failure to start. Control Panel / local indications required: a. Fire water header pressure b. Diesel Engine Lube oil pressure c. Cooling water inlet pressure ( as an assurance of cooling water flow ) d. Fuel level e. Battery voltage

4 f. Battery current g. Battery charger status h. Lube oil level i. Engine speed 5. SPARES Supply of all mandatory spares stipulated for the pumps as well as the diesel engine with a list thereof. 6.The scope of tender covers the supply of all material,fabrication,testing,packing,delivery and assistance in the commissioning of the equipment mentuioned in schedule of rate. 7.Characteristic curves of the pump and the drive should be submitted with offer 8.Date sheets of the pump specifying efficiency and prime mover HP at duty point and head,efficiency,hp and NPSHr at 1.5 times the rated (duty point) discharge and other data should be submitted. 9.It will be supplier responsibility to design and provide suitable drive for pump. 10.Engine shall be capable of starting without the use of cold starting aids at temperature zero degree Celsius and above 11.Engine shall take full load within 15 seconds from the receipt of the start signal 12.Supply 3 sets of operation and maintanence manual and spare part book of the pump and the drive and the following drawings: a.outline dimensional drawing with general arrangement. b.secondary water piping plan for engine cooling incase of engines. c.foundations drawings (incl. position of anti-vibration pads etc.)

5 d.battery charging systems e.instrumentation and control schematic drawings,bill of materials,wiring details with descriptive write-up. f.the supplier shall submit 4sets of installations,operating, maintenance and major overhauling instruction manuals before offering pumpsets for final inspection. 13.The units shall be provided post office red epoxy finish for main Fire fighting pumps. 14.The supplier shall give a warranty covering a period of 12 months from the commissioning of the units or 18months from the date of delivery at site,whichever is earlier.any defects noticed during the period shall be promptly rectified by the supplier free of cost. 15.Inspection/Testing of pump sets. Third party inspection is important and mandatory.inspection by one of the following agencies is acceptable a.llyods b.dnv c.eil. d.irs Scope of Third party inspection Inspection of pumps can be at manufacturer works.a test certificate along with the results shall be produced before dispatch.following tests shall be witnessed by Third party agency for Fire pumps and Diesel Engine FIRE PUMPS a.hydrostatic testing b.performance test as per IS-9137 c.npshr test in open circuit at duty point. d.dynamic balancing test for impeller at reduced speed as per ISO e. The pumps shall be capable of discharging 150% of its rated discharge at a minimum of 65% of the rated head.the shut-off head shall not exceed 120% of rated head for horizontal centrifugal pump.above test shall also be witnessed by Third party inspection agency. f.vibration test and Strip test

6 g.sound level test h.material test certificates shall also be endorsed by Third party inspection agency DIESEL ENGINE A.Performance test for engine as per BS5514.Attached format as per BS5514 can be used for reference purpose. B.Pressure test for cylinder head,cylinder block,crank case. C.Material test(chemical and mechanical analysis) for crankshaft and connecting rod. D.Crack test for connecting rod and crankshaft. Vendor shall submit material compliance certificates as applicable,and other type test certificates from manufacturer In addition to above vendor shall submit all inspection reports duly certified by Third party inspection agency and obtain consent of HPCL before dispatch. 17. QAP(QUALITY ASSURANCE PLAN) A.Party to prepare QAP for all the items i.e Centrifugal pumps for product and Fire water,electrical motor for product pumps,ic engine in accordance to respective codes and specification given in this tender document.attached copies of QAP are for reference purpose/sample purpose only. B. QAP prepare vide point A above will be vetted by HPCL approved TPI The norms for vetting will be Tender document. C.QAP vetted by TPI will be submitted by party to HPCL for final approval basis which TPI will carry out Inspection and Testing of item quoted by party for this Tender document vide cl.16 D.Within 15 days from LOI party will submit QAP to Respective location incharges.

7 18.All safety and security precautions applicable inside the premises shall be meticulously complied with.