Tender For Hiring Of Brand New 20 Kva Diesel Generator Set (Acoustic Enclosure Type) At Sbi,Babubarhi, Madhubani-Bihar

Tender for hiring of brand new 20 kva diesel generator set (acoustic enclosure type) at sbi,babubarhi(a) diesel engine: (i) make: kirloskar/ cummins /greaves / mahindra / ashok leyland/eicher (ii) multi cylinders, water cooled, 1500 rpm, diesel engine (b) alternator specification:- (i) make: stamford/kirloskar/ kirloskar electric/crompton greaves. (ii) capacity: 20 kva at 0.85pf 415 volts, 3 phases, 4 wires, 50 hz (iii) the regulation from no-load to full load shall not exceed 2.0 %. (iv)the alternator shall be of brush less type design, self excited of robust construction. the alternator shall be suitable for continuous rating with ambient temperatures of 40 degrees centigrade. the voltage control shall be through automatic voltage regulator unit (avr). the avr unit shall de-excite the alternator in case of short circuit. (v) it shall withstand 10% overload for one hour every 12 hour duration on operation. vi. the alternator shall confirm drip proof constructions per is: 4722 (at least ip 23). (c.) sound proof enclosure: (i) noise level permitted: wherever acoustic insulation is provided 75 db at 1.0 meter from dg set under free field condition meeting cpcb norms. (ii)shall be factory fabricated specially with superior quality acoustic insulation so as to achieve the permissible noise level within the prescribed norms of state/ central pollution control board. (iii) the container shall be weather proof housing the d.g. set, fuel tank. fresh air will enter from the alternator end. blowers of adequate capacity will be provided, if necessary, to provide sufficient air for cooling & ensure operating temperature is within prescribed limits specified by engine manufactures. (iv) hinged / sliding door will be provided on either side. sufficient maintenance access shall be provided in the design of the acoustic enclosure. (d) age of diesel generator set : brand new 20 kva dg set with sound proof acoustic enclosure eco friendly, factory fitted and tested as per ie rule and pollution control board complaint. (e) the diesel engine shall be robust heavy duty construction. it shall deliver the required bhp at the shaft of the coupled alternator to deliver the rated output of required kva. the speed governor shall be mechanical auto controlled, adjusting automatically to the desired load conditions. (f) the engine shall be fitted with all standard accessories as detailed above. it shall be possible to start the engine from the amf panel & locally. (g) the operation of the dg set shall be on automatically on mains failure with a pre-set time. the engine will be shut down automatically on resumption of mains power with a preset time delay through amf panel. (h) the dg set shall be mounted on wheels or foundation as required. automatic mains failure panel (wherever required): (i)amf control panel for auto starting of the dg set shall be fabricated from the ms sheet steel 14 gauge and shall be of compartmental design. the main supporting framework shall be of angle iron or of heavier gauge sheet metal. the panel shall be self-supporting design, dust and vermin proof, dead front and fully interlocked with isolating switches. the panel mounted switches shall have defeat interlocks for testing and inspection. (ii)the panel shall be designed so as to facilitate inspection, cleaning and repairs. the clearance between phase to phase and phase to earth or metal parts shall be as per relevant is standards. the metering instruments like volt meter, ammeter, etc. shall be flush mounted and shall be of 1.0 class accuracy and of standard design size shall be 96 mm x 96. all indication lamps shall be of neon type / digital. the panel shall be tested at site before commissioning. (iii)all wiring inside the panel shall be done with copper conductors / cables/solid copper links. all the hinge doors shall be earthed. adequate ventilation for the panel shall be provided. logic diagram of operation of switches shall be painted on the panel. the name plates for each feeder shall be of engraved design and pasted to the respective switch gear. a)type : cubical, front operated with detachable cable gland plates at top and bottom. b) enclosure : 14g crca suitably rust inhibited with powder coated with 7 tank treatment process and provided with square section rubber gaskets ip52 enclosure. c) mounting : floor /wall mounted with supporting legs or blank panel d. circuit breakers : double breaker for dg set and mains isolation. e) instrument panel fitted with : ac voltmeter (0-600v) voltmeter selector switch. ac-ammeter ammeter selector switch kwh meter frequency meter running hour meter iv. indicating lamps for load on mains. load on generator set fails to start low lubricating oil pressure high water temperature (v) sets of push buttons for generator start / stop emergency trip auto hooter auto / manual /test / selector switch generator on / off - manually. mains on / off – manually (vi) battery charger static, comprising of transformer rectifier trickle / boost auto. dc ammeter mains voltage monitor amf logic with three attempt starting facility (vii) protection over voltage under voltage over load short circuit over speed. under frequency & earth fault

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INR 15000.0 /-

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