Special Repair Of Electrical Installation & Fans & Replacement Of Main Panel, Dbs & Cables & Providing Acs, Dg Set At Office Of The Sub-Divisional Magistrate ( Kalkaji ) , 37-Institutional Area Tughlakabad, New Delhi-110062. ( Sh:-Supply Installation Testing And Commissioning Of 125 Kva Dg Set ) . , Sub Head - Dg Set Providing , Installing , Testing & Commissioning Of Silent Type Diesel Generating Set Having Prime Power Rating Of 125 Kva , 415 Volts At 1500 Rpm , 0 . 8 Lagging Power Factor At 415 V Suitable For 50 Hz , 3 Phase System & Consisting Of The Following: ( A ) Diesel Engine: Diesel Engine 4 Stroke Water Cooled , Electric Start , Of Suitable Bhp At 1500 Rpm Under Ntp Conditions Of Bs:5514 Capable Of Taking 10% Over Loading For One Hour After 12 Hours Of Continuous Operation . The Engine Will Be Fitted Complete With All The Required Accessories . ( B ) Engine Mounted Instrument Panel Fitted With Accessories & Indicators To Indicate Necessary Parameters And Having Digital Display As Per Standard Design Of The Manufacturer . I ) Start-Stop Switch Ii ) Water Temperature Indication Iii ) Lubrication Oil Pressure Indication Iv ) Battery Charging Indication V ) Rpm Indication Vi ) Over Speed Trip Indication Vii ) Low Lub . Oil Pressure Trip Indication Viii ) Engine Hours Indication Ix ) Kwh Meter ( To View The Record Of Total Unit Generated Upto Date ) . , ( C ) Alternator: Synchronous Alternator Rated At 125 Kva , 415 Volts At 1500 Rpm , 3 Phase , 50 Hz , Ac Supply With 0 . 8 Lagging Power Factor At 40 Degree C , 50% Rh At 1000 Mtr . Msl & At Ntp Conditions . The Alternator Shall Be Having Spdp Ip 23 Enclosure , Brushless , Continuous Duty , Self-Excited And Self-Regulated Through Avr Conforming To Bs:2613 . Suitable For Tropical Conditions And With Class-H Insulation . ( D ) Base Frame & Foundation: Both The Engine & Alternator Shall Be Mounted On Suitable Base Frame Made Of Ms Channel With Necessary Reinforcement Which Shall Be Installed On Suitable Cement Concrete Foundation & Vibration Isolation Arrangement As Per Recommendations Of Manufacturer . ( E ) Fuel Tank: Daily Service Fuel Tank Of 330 Liters Capacity Fabricated Out Of 3 Mm Thick M . S . Sheet Complete With All Standard Accessories & Fuel Piping Between Fuel Tank & Diesel Engine With Ms Class C Pipes Of Suitable Dia . Complete With Valves , Level Indications & Accessories As Required As Per Specifications . ( F ) Exhaust System: Dry Exhaust Mainfold With Hospital Silencer As Per Cpcb Norms . , ( G ) Starting-System: 12V / 24V Dc Starting System Comprising Of Starter Motors: Voltage Regulator And Arrangement For Initial Excitation Complete With Maintenance Free Batteries As Recommended By Manufacturer Of Dg Set & As Required As Per Specifications . ( H ) Acoustic & Weather Proof Enclosure With Arrangement For Fresh Air Intake For Cooling Of The Engine & Alternator , Extraction , Discharging Hot Air In To The Atmosphere As Per Specifications . , Fabricating , Installation , Testing & Commissioning Of Automatic Mains Failure Panel Fabricated In 2 Mm Thick Crca Sheet Steel With Suitable Size Ms Base Channel , Floor Mounted For Existing Dg Set Of 125 Kva , Including Manual Bypass For Both Main And Dg Set Supply Complete With Aluminium Bus Bars , Suitable For 125 Kva Silent Type Dg Set Complete With Relays , Timers , Set Of Cts For Metering & Protection & Energy Analyser To Indicate Current , Phase & Line Voltages , Frequency & Provision For Overload , Short Circuit , Restriction Earth Fault , Under Frequency , Connection With Existing Control Cabling Of Dg Set To Amf Panel , All Complete & Inter Locking Arrangement Including The Following . A ) 250 Amp 50 Ka 4 Pole Mccb - 2 Nos . B ) 250 Amp On Load 4 Pole Change Over Switch-2 Nos . C ) 250 Amp 4 Pole Power Contactor- 2 Nos . D ) Auto / Manual / Test / Off Selector Switch E ) 3 Nos . Of Current Transformer 250 / 5 Amps For Metering . F ) Energy Analyzer Unit To Indicate Current Voltage Frequency G ) Indicating Lamps For Load On Mains And Load On Dg Set . , H ) Sp Mcb For Instruments . I ) Control Unit With Three Impulse Automatic Engine Start / Stop And Failure To Start Lockout . J ) On / Off / Control Circuit With Indicator . K ) Audio / Video Annunciation For High Water Temperature Low Lubricating Oil Pressure Engine Over Speed Engine Fails To Start Amf Panel As Described Above , Providing And Laying In Position Cement Concrete 1:2:4 ( 1 Cement : 2 Coarse Sand : 4 Graded Stone Aggregate 20 Mm Nominal Size ) In Foundation Of Pump , Dg Set Etc . Including Form Work Etc . As Required . , Earthing With G . I . Earth Plate 600 Mm X 600 Mm X 6 Mm Thick Including Accessories , And Providing Masonry Enclosure With Cover Plate Having Locking Arrangement And Watering Pipe Of 2 . 7 Meter Long Etc . With Charcoal / Coke And Salt As Required . , Providing & Fixing 25 Mm X 5 Mm G . I . Strip On Surface Or In Recess For Connections Etc . As Required . , Providing & Fixing 25 Mm X 5 Mm G . I . Strip In 40 Mm Dia G . I . Pipe From Earth Electrode Including Connection With G . I . Nut , Bolt , Spring , Washer Excavation And Re-Filling Etc . As Required . , Fabrication Supplying Installation Testing & Commissioning Of Cubical Feeder Pillar Panel Board , Dust , Damp And Vermin Proof , Compartmentalized Made Out Of 2 . 0 Mm Thick ( Ns ) Crca Sheet Duly Powder Coated , 300 Mm Deep Complete With 4 Strips Alu . Bus Bar Of 300Amps . Capacity Complete With Connection , Interconnections , Internal Wiring With Copper Conductor Cable Of Suitable Sizes , Earthing Etc . As Reqd . , Providing & Fixing Following Rating & Breaking Capacity And Pole Mccb With Thermomagnetic Release & Terminal Spreaders In Existing Cubicle Panel Board Including Drilling Holes In Cubicle Panel , Making Connections , Etc . As Required . , 100 A , 16 Ka , Tpmccb , 125 A , 16 Ka , Tpmccb , 250 A , 36 Ka , Fpmccb , Credit Item , Less Credit For Unserviceable 62 . 5 Kva Dg Set .
