Special Repair / Replacement Of Ber Dg Sets And Associated Works At Af Station Halwara Under Ge ( Af ) Halwara Special Repair / Replacement Of Ber Dg Sets And Associated Works At Af Station Halwara Under Ge ( Af ) Halwara , Supplying Installing Testing And Commissioning Diesel Engine Driven Generating Set 415 V , 3 Phase , 4 Wire As Per Bs 5514 / Is-10002 Complete With Standard Control Panel , Of Capacity Continuous Rating 125 Kva / 100 Kw At Ntp Conditions With Acoustic Enclosure And Canopy Cover Considering All Derating Factors And Comprising Of The Following :- ( A ) Alternator : Self Regulated With Brushless Self Excitation 125 Kva , 415 V , 3 Phase , 4 Wire , 50 Hz , 0 . 8 P . F . , 1500 Rpm , With Voltage Variation Plus Or Minus 2 . 5% Of Rated Voltage From No-Load To Full-Load Foot Mounted , Screen Protected Drip Proof Type With Class F Insulation , Closed Coupled Single Bearing Alternator , With Necessary Controls As Recommended By The Manufacturers , Conforming To Bs-5000 / Is-4772 , Capable Of Supplying Unbalanced Load . ( B ) Engine : Multi / Cylinder , Compression Ignition , Heavy Duty , Compact Diesel Engine Liquid Cooled With Standard Accessories , All As Per Bs-5514 / Iso-3046 , 1500 Rpm , Control Gauges , Rpm / Hours Meters Etc; Shaft H . P . Suitable For Generating Application And Capable Of Giving An Output Of 125 Kva / 100 Kw For Coupled Alternator Under Ntp Conditions , Complete With Following:- ( I ) Flywheel Housing With Flywheel To Suit Closed Coupled Single Bearing Alternator . ( Ii ) Air-Cleaner Dry Type With Vacuum Indicator . ( Iii ) Fuel Pump And Fuel Piping 15Mm M . S . Pipe With Bends , Flanges Etc . ( Iv ) Fuel Filter With Water Separator And Filter Element . ( V ) Lub-Oil Filter With Filter Element ( Vi ) D . C . Starter 12 Volts . ( Vii ) Storage Batteries Of Suitable Voltage And Ampere-Hours As Recommended By The Manufacturers . ( Viii ) Residential Silencer As Per Cpcb Norms ( Ix ) Supporting / Fixing Arrangement For Muffler With Celiling Through Antivibration Pads . , ( X ) Engine Overspeed Stop / Trip Switch . ( Xi ) Radiator With Fan . ( Xii ) Dynamo For Battery Charging . ( Xiii ) Corrosion Inhibitor Coolant . ( Xiv ) Engine Control Panel Electronic Digital Display Type Consisting Of Battery Voltage Indicator , Lub Oil Temp And Pressure Gauges Coolant Water Temp Gauge , Rpm Indicator Cum Hour Meter Etc . ( Xv ) Safety Controls For Alarm Due To High Water Temp ( Hwt ) And Low Lub Oil Pressure ( Llop ) . ( Xvi ) Any Other Devices / Accessories Recommended / Supplied By The Manufacturers As Standard Eqpt . ( C ) Skid : The Engine And Alternator Will Be Coupled , Aligned And Mounted On A Specially Designed Common Base Frame Fabricated From M . S . Channels Of Suitable Cross Sectional Area And Length With Bottom Drilled Holes Suitable For And Including Supplying And Fixing Anti Vibration Pads Of Required Size And Numbers As Recommended By The Manufacturers For Mounting Of 125 Kva / 100 Kw Dg Set . ( D ) Amf Panel : Amf Panel Shall Be Of Suitable Size Factory Made Indoor Cubical Type Front Openable Fabricated From Crca Steel Sheet 1 . 6 Mm Thick Complete As Per Manufacturer Specification Of Diesel Engine Suitable For Dg Set Of Capacity 125 Kva Grouted In Floor By Providing Pcc 1:2:4 Type B-2 Foundation Of Suitable Size As Per Manufacturers Recommendations Complete In All Respects And Consisting Of The Following :- ( I ) Contactor Ml Of Suitable Capacity . ( Ii ) Aluminium Bus Bar Of Capacity 300 Amps ( 04 Nos ) For Phase And Neutral . ( Iii ) Sensitivity Relay Set Unit With Auxiliary Relay Cts . ( Iv ) Electronic Latch Circuit With Tripping Indication . ( V ) Instantneous Tripping Device Suitable For Complete Panel Over Current 0 . 5 Amp . ( Vi ) Reset Facilities For Complete Protection Of Amf Panel . , ( Vii ) Self Squential Starting Relay Unit 12 Volts Dc Complete With Alarm And Power Contactor . ( Viii ) Electronic Timer 220 Volts For Main Contactor With 1 No Nc Auxiliary Contactor . ( Ix ) Electronic Timer 220 Volts For Fuel Cut Off Operation For With 1 No Nc Auxiliary Contactor . ( X ) Battery Charging Unit 12 Volts 10 Amp Complete With Digital Volt Metre & Amp Metre . ( Xi ) All As Per Item No ( Ix ) Here In Before But For Fuel Cut Off Operation . ( Xii ) Electrical Starter 12 / 24 Volts Dc As Per Manufacturers Design . ( Xiii ) Digital Volt Meter 0-500 Volts Panel Mounting Type Size 96 Square Mm With Digital Selector Switch . ( Xiv ) 3 Phase Electronic Energy Meter For Measuring Meter For Measuring Generated Units . ( Xv ) Frequency Meter ( Digital Type ) Of Suitable Rating . ( Xvi ) Mccb 200 Amps 4 Pole 25 Ka & Mccb 100 Amp 4 Pole 25 Ka Breaking Capacity With Fixed Thermal And Magnetic Release , For Main Supply & Dg Supply Adjustable Over Load And Adjustable Short Circuit Each 01 No ( Xvii ) The Amf Panel Shall Have Manually By Pass Arrangement In Case Of Failure Of Amf Panel . ( Xviii ) Other Accessories , If Any , As Per Manufacturer Instructions . ( E ) Diesel Tank Of Capacity For 8 Hours Continuous Run On Full Load , With Caliberated Scale ( Fuel Level Indicator ) Dip Stick , Fuel Inlet / Outlet , Air Vent , Drain Plug And Inlet Arrangement For Direct Filling , Including Suitable Size Gate Valve In Outlet , Tank To Be Fitted At Suitable Height . ( F ) Sound Proof Enclosure With Residential Silencer ( Cpcb ) Approved ) The Sound Less Than 75 Db At A Distance Of 1 Meter From Canopy In Free Field Zone . ( G ) Pcc / Rcc Foundation Complete As Per Manufacturers Own Design / Or As Per Directions Of Engineer-In- Charge . , ( H ) Documents : Three Sets Of Following Documents :- Maintenance And Operation Manuals For Engine And Alternator , Spare Parts Catalogue , Warranty / Test Certificates , Schematic Diagrams Of Control Panels . ( J ) Other Items : List Of Tools And Two Years Normal Maintenance Spares As Per Manufacturers Recommended Lists , Duly Priced , Item Wise . Notes : ( I ) Contractor Will Satisfactorily Conduct Load Test Of Dg Set For 12 Hours Including Run On 10% Overload For 1 Hour . ( Ii ) Testing Equipment Will Be Arranged By The Contractor . ( Iii ) Fuel / Oil Required For Load Test Shall Be Arranged By The Contractor And Cost Thereof Is Deemed To Be Included In Quoted Rate By The Contractor . ( Iv ) Amf Panel And Dg Set Shall Be Procured From Same Oem I . E Make Of Both Shall Be Same . ( V ) Dg Set Shall Be Tested By The Representative Of Accepting Officer Before Commisioning And Cost Thereof Deemed To Be Included In Quoted Rates . , Supplying Installing Testing And Commissioning Diesel Engine Driven Generating Set 415 V , 3 Phase , 4 Wire As Per Bs 5514 / Is-10002 Complete With Standard Control Panel , Of Capacity Continuous Rating 62 . 5 Kva / 50 Kw At Ntp Conditions With Acoustic Enclosure And Canopy Cover Considering All Derating Factors And Comprising Of The Following :- ( A ) Alternator : Self Regulated With Brushless Self Excitation 62 . 5 Kva , 415 V , 3 Phase , 4 Wire , 50 Hz , 0 . 8 P . F . , 1500 Rpm , With Voltage Variation Plus Or Minus 2 . 5% Of Rated Voltage From No-Load To Full-Load Foot Mounted , Screen Protected Drip Proof Type With Class F Insulation , Closed Coupled Single Bearing Alternator , With Necessary Controls As Recommended By The Manufacturers , Conforming To Bs-5000 / Is-4772 , Capable Of Supplying Unbalanced Load . ( B ) Engine : Multi / Cylinder , Compression Ignition , Heavy Duty , Compact Diesel Engine Liquid Cooled With Standard Accessories , All As Per Bs-5514 / Iso-3046 , 1500 Rpm , Control Gauges , Rpm / Hours Meters Etc; Shaft H . P . Suitable For Generating Application And Capable Of Giving An Output Of 62 . 5 Kva / 50 Kw Fo
