NITNo7ItemNo10

Repairing / Renovation of LT Switchgear panel make BCH Electric installed at Burari SPS under ISP Package 3 Preparation for starting work by proper shutdown and isolation of the complete LT Panels (Total 3 Panels) one by one from energy source and ensuring the absence of voltage or any residual energy with all safety measures for isolation measures

Dismantling the existing incomer ACB complete with their cradles and mounting arrangements from the incomer chambers of the one of the panels installed at site including disconnecting all the connections joints etc. from the incoming power supply and the outgoing connections with the main bus bars of the panel for replacing with new ACB as per supply below

Supply of ACB, 4 Pole, 415 Volt, AC of rating 3200 Amperes, MDO type, with microprocessor release Make: BCH

Installation/ fitting of the cradle/ draw out mechanism of the ACB as above at the panel in proper alignment with mounting and fixing arrangement for making the connections and for fixing of new ACB including all the material as per the site requirement.

Fixing of the ACB in the cradle in proper drawable condition including checking the movement along with making control connections as required and suitable for operating the new ACB.

Connecting the incoming sides of new 3200 Amp ACB with the incomer power supply by rearrangement/modification/extension/addition of bus bar length in aluminum constructions of similar cross section as per existing and as per required for making the required joints including cutting, bending, shaping and drilling of the bus bars as required for making joints including providing of material other consumables tools and tackles as per site requirements.

Connecting the outgoing sides of the new 3200 Amp ACB with the main bus bar of the panel by rearrangement / modification / extension / addition of bus bar length in aluminum construction of similar cross section as per existing and as required for making the req. joints including cutting, bending shaping and drilling of the bus bars as req. including providing of material other consumables tools and tackles as per site requirement.

Dismantling the existing door of the incomer ACB. Fabrication supply and fixing of the new door of size as suitable to new 3200 AMP ACB and provisions for the operations of the ACB made with CRCA sheet duly painted complete with all accessories as req.

Providing and fixing of new Ampere meters, Volt Meters and selector switches at the incoming ACB chambers of all the three panels including making their wiring connections and control connections, setting and configuring the meters as per the CT ratio and testing the parameters display as per requirement at site. Dismantling the old indicating lights from the incomer ACB chambers after disconnecting their wiring connections and providing, fixing of new indicating lights with complete wiring etc.

Dismantling the defected indicating lights from all the three LT panels outgoing chambers after disconnecting their wiring connections. Providing and fixing of the new indicating lights including making their wiring connections and control connections as per requirement of the site.