Short Term E - Tender No. 01 /ETD-II(B) 2021-22 (Work)

Amount

Following work is to be carried out for repairing and overhauling of 132 KV ABB Make C.B.s installed at 100MVA T/F LV side at 220 KV Substation Pilibhit and 132 KV Khatima Bay at 132 KV Substation Pilibhit.

Inspection and Rectification of gas leakage in 132 KV ABB make SF6 CBs by detection and there after opening of leaking pole assembly from upper & lower terminal flanges. Dismantling of the pole for attending the gas leakage. Cleaning of all grooves of flanges and porcelains with petrol, scrubber pad and acrylic solution. Replacement of all O-ring of the pole and gas pipe fittings and Reassembly of pole by applying anabond adhesive at required places, checking of pole by evacuation of pole up to 760mm Hg and testing of vacuum for 12 hrs. Refilling of SF-6 gas up to required pressure. Erection of the same pole after Checking of proper operation of CB from local and remote. Note: All materials, T&P except SF-6 gas required for execution of work will be arranged by the contractor at his own cost.

M/s S.S. Refregeration

QASIM ENGINEERING COMPANY