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
