WBPHED/AE/BMSD/NIeT- 8 OF 2024-2025/13

Amount

Hiring charges of 5KV DG set for back up power during testing period including carriage & storage and supply of fuel.( 6 hrs ,@ 1550.00=9300 )

3 panel VCB: Disconnection of 11 KV HT cables, through cleaning & servicing of entire panel by carbon cleaner to remove all carbon particles, insulation resistance value checking in ON & OFF condition, closing and tripping time checking along with servicing of electrical and mechanical ON-OFF mechanism, Rack-in Rack-out mechanism, spring changing mechanism . C.T: Dismantling the 6 nos CT's from circuit, cleaning & rubbing properly, then heat treatment done and also barnishing for insulation resistance value improvement, re-connecting the CT's in circuit, then conduct testing. P.T: Dismantling the PT from circuit, cleaning & rubbing properly, heat treatment and varnishing for IR valve improvement and then re-connecting the PT's in circuit then conduct testing. Relays: Dust cleaning, O/C & E/F relays testing by secondary current injection, functional checking of aux. relays, trip circuit supervision relays & master trip relays.(For 3 nos Panel) Bus Bar: Charges for outgoing VCB (4 panel VCB) Bus-Bar Spouts Dismantling, Rubbing, Cleaning, Heating, varnishing by applying CRC, WD-40, Red Insulation Varnish for IR Improvement and finally Re-fitting. Cable and terminal : Cleaning by carbon cleaner , testing all the HT cables (11 KV) reconnected for sucessfully charging of 11 KV supply and put on load condition.

AVR : Charges for AVR thoroughly checking, IR Improvement by cleaning of HT bushings and various HT supporting related material.

Add: 18% GST

Add: 1% Cess

M/S. Sajahan Chowdhury (BID ID -5928794)

B T PROJECTS PRIVATE LIMITED (BID ID -5928493)

WEST BENGAL ENGINEERING CO. (BID ID -5928930)