NIT No-17 EE (EM) M-1/ (24-25) Item No. 22

Dismantling of 2000 Amperes ACBs after disconnecting all the incoming as well as outgoing connections, dismantling the complete cradle and removing the ACBs from the panel chamber after making suitable arrangement for continuous power supply to the Panel.

Complete servicing, overhauling of the 2000 Ampere ACBs as above including the work of oiling, greasing of all movable parts and operating mechanism, removing the carbonization etc. for suitable operation of ACB

Supply of under voltage relay

Supply / fixing of 630 Amp 3 pole MCCB B type Breaking Capacity: - 50 KA make: - L&T/ Havells/ Djb Approved Make

Arcing Contacts

Main isolating contact (jaw contact).

Isolating Contacts

Re fixing the 2000 Amperes ACBs and their cradles in their respective chambers , making their incoming as well, as outgoing bus bar connections and all other connections required for energizing the ACBs. Replacing the damaged thimbles of the outgoing cables as per requirement. Testing and Commissioning of the ACBs after completing all the work.

Dismantling old indicating instrument and fixing the new indicating lamps along with control fuse and the bases as per details below. Making their complete wiring connections by providing copper cable wire as per requirement. The job also includes restoration of defective wiring of the metering instrument by supply and laying of copper flexible wire as per site requirement.

Indicating lamps

Supply of Ampere meter

Supply of volt meter

Dismantling of the defective / flashed bus bar links in the main bus bar chamber's incoming side connecting the ACB and the panel by providing & fixing of new aluminum bus bar links of similar cross section & current carrying capacity. Making all the required joints etc. in proper alignment.

Complete servicing and overhauling of the bus bar joints, including tightening, 14. replacing nut bolts restoring control wiring and other works required for rehabilitation of L.T. Panels conditions as per requirement at site

Testing and Commissioning of the Panel equipments as follow: -check equipment specification. -continuity and earthing. - meggering of all equipments for phase to phase, neutral of body, neutral of earth. - testing and comissioning of ct and digital ampere meter and volt meter -all functional tests. - checking of all tightening of nuts and bolts Alignment of doors etc. -fixing of all above components CT and ampere meter etc. - inter locking tests. Testing on load with engineer in charge.

GOGIA BROTHERS (BID ID -1560928)