NIT NO. 22 (2022-2023) EE(SDW)VI / Item No.2

Installation and commission of 4 Nos ACBs in the LT Panel with allied work at Sayyad Nangloi SPS for executing the work as per the following specifications. Dismantling the exisiting complete 4 Nos of outgoing ACBs of 1000 Amp form the chambers of the main LT Panel including their cradles and disconnecting the Bus-Bar connections with the main bus-bar, disconnecting the outgoing cables etc. Dismantling the ACBs in the complete shut-down and safe conditions.

Installation of the cradle of the ACB as above at the panel in proper alignment for making the connections after proper cleaning of the chamber for removing cables etc. including modification/making mounting arrangement for fixing of new ACBs. (Four numbers of new ACBs will be provided by the Department-1250 Amp)

Fixing the ACB in the cradle in proper drawable condition including checking the movement along with making control connections as suitable for operating the New ACBs

Connecting the main Bus-Bars of Panel and the incoming sides of New 1250 Amp ACBs by rearrabgement/ modification /extension/addition of Bus-Bar lengths in aluminium construction of similar cross section as per existing as required for retrofitting of ACBs and making the required joints including bending/cutting/shaping of the Bus-Bar as required. The job includes providing of material and other consumables as per site requirement and tools and tackles as per requirement.

Making the outgoing cable connections provisions at outgoing sides of New 1250 Amp ACBs by-rearrabgement /modification/ extension/ addition of Bus-Bar lengths in aluminium construction of similar cross section as per existing and making required the joints including bending/cutting/shaping of the Bus-Bar as required. Connecting the existing cables to the ACBs after checking and restoration of the end terminations. The job includes providing of material and other consumables as per site requirement and tools and tackles as per requirement.

Dismantling the existing doors of the outgoing 1250 Amp ACBs. Fabrication, supply and fixing of the new door of suitable size and provisions for the operation of the ACBs made with CRCA Sheet duly painted complete with all accessories as required.

Re-conditioning / Servicing of complete LT panel, all switchgear Chambers, metering chambers, Bus Bar chambers, Cable Alleys etc. including dust blowing and cleaning of all the chambers etc. as per requirement.

Testing and commissioning of the 1250 ACBs for operations first at NO load and then at ON load including operation, testing of charging system etc. as per the satisfaction of the engineer in charge.

Devraj Enterprises

Raj Engineering Co.

DEV ENGINEERS

AMANDEEP ENTERPRISES

B&B CONSTRUCTIONS