NIT NO. 19 (2021-2022) EE(SDW)VI /Item no.6

LT Panel at Main pump house :- Dismantling the existing complete Incomer ACB of 4000 Amp from the chambers of the main L T Panel at main pump house including thier cradles and disconnecting the bus bar connections with the main bus bars, disconnecting the outgoing cables etc. Dismantling the ACB in the complete shut down and safe conditions.

Dismantling the existing complete outgoing ACBs of 1600 Amp and 1250 Amp from the chambers of the main L T Panel at mian pump house including thier cradles and disconnecting the bus bar connections with the main bus bars, disconnecting the outgoing cables etc. Dismantling the ACBs in the complete shut down and safe conditions.

supply of Air Circuit Breaker, 4 Pole, 415V, AC of Rating 4000 Amperes, MDO type, 75 KA or more with microprocessor release. Make: L&T /Siemens/ Schneider/Any other DJB Approved make

supply of Air Circuit Breaker, 4 Pole, 415V, AC of Rating 1600 Amperes, MDO type, with microprocessor release, 50 KA or more. Make: L&T/Siemens/Schneider/Any other DJB Approved make

supply of Air Circuit Breaker, 3 Pole, 415V, AC of Rating 1600 Amperes, MDO type, with microprocessor release, 50 KA or more. Make: L&T/Siemens/Schneider/Any other DJB Approved make

supply of Air Circuit Breaker, 3 Pole, 415V, AC of Rating 1250 Amperes, MDO type, with microprocessor release, 50 KA or more. Make: L&T/Siemens/Schneider/Any other DJB Approved make

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 any carbon etc. including modification / making mounting arrangement for fixing of new ACBs.

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

Connecting the both incomers and new 4000 Amp ACBs for bus coupling operations by rearrangement/ modification / extension / addition of Bus Bar lengths in Aluminium construction of similar cross section as per exisitng as required for retrofitting of ACB and making the required joints including bending / cutting / shaping of the bus bars as required including providing of material, other consumables and tools and tackles as per site requirement.

Connecting the main bus bars of the panel and the incoming sides of new 1600 /1250 Amp ACBs by rearrangement/ modification / extension / addition of Bus Bar lengths in Aluminium construction of similar cross section as per exisitng as required for retrofitting of ACB and making the required joints including bending / cutting / shaping of the bus bars as required including providing of material, other consumables and tools and tackles as per site requirement.

Making the outgoing cable connections provisions at outgoing sides of new 1600 / 1250 Amps ACB by rearrangement/ modification / extension / addition of Bus Bar lengths in Aluminium construction of similar cross section as per exisitng and making required the joints including bending / cutting / shaping of the bus bars as required. Connecting the existing cables to the ACBs after checking and restoration of the end terminations including providing of material, other consumables and tools and tackles as per site requirement.

Dismantling the existing doors of the outgoing 4000 Amp Acbs. Fabrication, supply and fixing of the new door of suitble size and provisions for the operation of the ACBs made with CRCA Sheet duly painted complete with all accessories as required.

Dismantling the existing doors of the outgoing 1600 / 1250 Amp Acbs. Fabrication, supply and fixing of the new door of suitble size and provisions for the operation of the ACBs made with CRCA Sheet duly painted complete with all accessories as required.

Testing and commissioning of the new installed 4000, 1600, 1250 Amp ACBs along with complete LT panel 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.

LT panel at Aeration control room :- Dismantling the existing complete Incomer four pole ACBs of 1600 Amp from the chambers of the LT panel at aeration control room including thier cradles and disconnecting the bus bar connections with the main bus bars, disconnecting the outgoing cables etc. Dismantling the ACBs in the complete shut down and safe conditions.

supply of Air Circuit Breaker, 4 Pole, 415V, AC of Rating 1600 Amperes, MDO type, with microprocessor release, 50 KA or more. Make: L&T/Siemens/Schneider/Any other DJB Approved make

Connecting the bus duct and new 1600 Amp ACBs for by rearrangement/ modification / extension / addition of Bus Bar lengths in Aluminium construction of similar cross section as per exisitng as required for retrofitting of ACB and making the required joints including bending / cutting / shaping of the bus bars as required including providing of material, other consumables and tools and tackles as per site requirement.

Connecting the main bus bars of the panel and new 1600 Amp ACBs for by rearrangement/ modification / extension / addition of Bus Bar lengths in Aluminium construction of similar cross section as per exisitng as required for retrofitting of ACB and making the required joints including bending / cutting / shaping of the bus bars as required including providing of material, other consumables and tools and tackles as per site requirement.

Dismantling the existing doors of the outgoing four pole 1600 Amp Acbs. Fabrication, supply and fixing of the new door of suitble size and provisions for the operation of the ACBs made with CRCA Sheet duly painted complete with all accessories as required.

Testing and commissioning of the new installed 1600 Amp ACBs along with complete LT panel 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.

Premier Engineering Company

Auro Green Products

BPS Control Servicing Consultancy Pvt. Ltd

AGNI AUTOMATION AND SECURITY

Avon Electricals