special repair replacement of certain ber electro and mechanical equipments at af station memaura , supply , installation , testing and commissioning of 200 kva transformer copper wound stepdown , indoor type , ( bis level - ii - 4 star rating ) complete with standard fittings ht 11 kv 3 phase , lt 433 volts , 3 phase 4 wire with off load tapping , oil immersed naturally cooled with externally cooling tubes laminated core type delta connected on primary ( hv side and star connected on secondary lv side ) in accordance with vector symbol dy-11 ( vector group 4 ) with brought on secondary lv side for earthing and having tapping on ht side upto +7 . 5% in step of + 2 . 5% and impedance 4 . 5% . the transformer shall be complete with standard fittings and accessories like conservator tank , explosion vent , air breather , thermometer & in / out gate valves etc complete all as specified and confirming to is:1180 or latest is specification for higher energy efficiency ( minimum level -ii or higher ) and manufacturer shall hold licence / certificate from bis to this effect . note :- the transformer will have its initial oil filling to appropriate level and confirming to relevant is and tested up to 40 kv die electric strength ( cost of oil including testing with desired dielectric strength deem to be included in quoted rates . ) make: ite gurgaon , rajasthan transformer / abb / voltamp . , supply , installation testing and commissioning of factory assembled 125 kva silent diesel engine driven generating set specially designed to meet stringent moef / cpcb norms of 75 dba @ 1 mtr at 75% load under free field conditions . complied with standard control panel , fuel tank of suitable capacity ( capacity shall not be less than 16 hrs consumption ) , first filled lubricating oil and coolent , designed to have optimum serviceability , air inlet louvers specially designed to operate at rated load , made on special cnc machines for consistency in quality and workmanship , powder coated for long lasting service life and superior finish , with uv resistant powder coating , use of special hardware for longer life insulation material meets exacting is 8183 , specifications for better sound attenuation , flush styling- no projections , fluid drains for lube oil and fuel , fuel filling point . etc , pcc foundation as per manufactures instruction complete all as specified and comprising of following:- , ( a ) prime mover :- prime mover suitable for driving 125 kva capacity alternator , 3 phase 4 wire of 415 v , 50 hz comprising of water cooled , direct injection , turbo charged , four stroke conforming to is: 10000 / bs- 5514 rated for continous running capable of taking 10% over load for any one hour in 12 hours running complete with and including following accessories:- , heavy fly wheel and fly wheel housing complete with starting gear ring and to suitable coupling duly covered with guard . air clear oil bath type / dry type . fan and water pump assembly . fuel pump mechanical / electric governor , starter motor for electric start complete with dynamo / alternator including lead acid battery ---------01 no ( 180ah ) ( maintenance free ) , 12 volt an initially charged complete with starting / stopping switch , volt meter and battery leads etc , 01 set antivibration pad , make : cummins , greavescotton , kirloskar oil engines ltd , ( b ) alternator : synchronous alternator suitable for continuous operation at 1500 rpm , 415 volts , 0 . 8pf ( lag ) suitable for 50 hz , 3 phase , 4 wire system , conforming to bs 5000 / is 4722 . the alternator is brushless type , screen protected , revolving field , self excited , self regulated through an avr . the alternator has the following features: ( a ) + 1 . 0% voltage regulation ( max ) in static conditions . ( b ) ip: 23 protection with insulation class h . ( c ) permissible overload of 10% for one hour in 12 hours of operation . make : stamford , crompton greaves , catterpillar , ( c ) control & metering circuit: the control panel is manufactured with 14 gauge crca sheet & is powder coated for a weather proof & long lastingfinish . the control panel consists of following parts:- ( i ) instrument cluster displaying water and lube oil temperature , ( ii ) lube oil pressure , engine rpm , running hours , ( iii ) battery charging current with led indications for battery charging failure and low lube oil pressure , ( iv ) mccb of suitable rating with overload and short circuit protection . ( v ) microprocessor based amf logic controller , ( vi ) 1 no . kwh meter , ( vii ) 1 no . line voltage monitor as per isi marked make . ( viii ) 1 set of control fuses , ( ix ) reverse polarity indication , ( x ) 1 no . dc battery charging ammeter as per cpcb norms etc complete all as specified and directed by engr-in-charge . , note :- silent dg set will be factory assembled of reputed manufacture ; m / s sudhir power , m / s kirloskar green ( koel ) , m / s jackson , ( d ) amf panel: supply , installation , testing and commissioning for microprocessor based factory fabricated amf control panel indoor type system suitable for 125 kva dg set with and including internal wiring , free standing , floor mounted type , vertical type , front operated , dust & vermin proof & sound proof canopy fabricated out of 14 swg ms crca sheet duly undergoing with pretreatment covering degreesing water rinsing , derusting / phosphating . after pre treating , sheet metal shall be sprayed with high corrosion resistance primer and finally epoxy polyester powder coating of flint grey shade . the panel consisting of following:- ( i ) aluminium bus bars of suitable rating - 04 nos with smc / dmc support ( ii ) ac voltmeter 0-500 volt , 96 mm x 96 mm digital type with inbuilt selector switch-01 no . ( iii ) ac amp meter 0-300 amp , 96 mm x 96 mm digital type with inbuilt switch - 01 no . ( iv ) frequency meter 40-99 . 99 hz , size 96 mm x 96 mm digital type - 01 no . ( v ) single lamp indicator ( self running type ) - set of three ( led type ) - 01 set . ( vi ) single lamp indicator ( self running type ) - 01 set ( led type ) . ( vii ) battery charging indicator lamp - 01 no . ( viii ) auto / manual / test switch - 01 no . ( ix ) battery charging amp meter and voltmeter digital - 01 no . ( x ) mccb , 04 pole with suitable capacity icu 36 for 415 volts , overload and short circuit protection 03 phase ac supply , qty - 02 nos . . make : abb / siemens / legrand , ( xi ) under / over voltage relay , suitable for 3 phase 415 volts ac-3 supply --------02 nos . ( xii ) electronic timer type et , suitable for 12 volts , dc supply as per recommendation of dg manufacturer - dc supply for 0-10 second - 01 no . ( xiii ) electr