NIT No. 17 (19-20) Item No. 3

Dismantling of old burnt ACB & other accessories from existing Panel of pump set no.- 02 and 04, removing of all cable connection after taking HT supply off with help of gas cutter, heavy labor etc.

Supply of Air Circuit Breaker (ACB), 3Pole 415 V AC. Manual Draw out type, of rating800AmperesMake: L&T/Schineder/DJB approved

Amp. Meter digital Make: L&T/AE/DJB approved.

Compact Motor protection relay MM-10 flush mounting with display protection from thermal overload with pro-alarm, short circuit, earth fault, phase loss, unbalance, phase reversal, under current, prolong starting, locked rotor. Make :- L&T/Schneider/any DJB approved.

Indicating Lamp. Make: SG/Vaishnav/L&T/DJB approved make.

UV release Make: L&T/Siemens/Schinder/DJB approved make.

Providing /fixing and making connection of bus bar including links, bends, and aluminum bus bar of electrolytic grade 55% conductivity insulated with PVC sleeve. The bus bar support insulator shall be made out of non-hygroscopic material as SMC/DMC. All hard ware for connection/joints shall be in high tensle.

Arrangement of incoming / outgoing cable termination by providing & fixing of terminal link of current carrying capacity 800Amp. With phase separator & making cable connection of existing cable by changing of thimble /tapping in ACB & re-dressing of the cable in cable trench.

Changing of wiring in panel, indication lamp, metering terminal link as requiredwith insulation by tapping/sleeving on bus bar of panel after cleaning from CRC, replacement of hardware as required.

Retrofitting of the ACB in the existing L T Panel Board including providing & fabrication & fixing of the base frames of suitable sizes for ACBs in the chamber. Fixing all the measuring instruments , lamps, motor protectionrelay etc. at the metering chamber along with complete wiring through 2.5 sq. mm single core copper wire including providing and fixing of necessary ferrules etc. with repairing & realignment of panel door, locks of panel door & greasing of movable parts for smooth running.

Testing and commissioning of the ACB and installed equipment, as per required parameters with the relevant IS testing of the panel prior to switching on as follow:- i)Continuity and earth testing. ii)Meggaring of all equipment for phase to phase, neutral to body, neutral to earth and phase to earth. iii)Checking for all tightness of nut and bolts

Raj Engineering Co.

Gupta Brothers

Pearl Electricals

Agarwala Traders

Skyhigh Constructions