Repair to 100 KVA electric transformer at pumping station Hansa Bhugtrain stage-0.

Amount

Job includes repairs to 100 KVA electric transformer of pumping station Hansa Bhugtrain stage-0 by way of disconnecting the cable connections, drop out fuse set from HT side, demounting from base frame. Making of temporary shed arrangement for carrying out repair at the site. Job includes opening of transformer top cover, extracting out transformer assembly out of oil tank with the help of chain pulley block, dismantling the same by way of draining of transformer oil and opening of side channels and lamination by using skilled labour and special tools and tackles. Draining the transformer oil followed by cleaning the oil tank from inside to remove sludge with the help of scrubbers and chemicals. Taking out all the coils after opening the connections. Replacement of damaged aluminum HT coils-10nos. and LT coils-3nos. Refitting of coils to the cores after repair / replacement of damaged coils. Assembling of transformer cores into the transformer tank. Refitting of side channel laminations after repair to oil tank to make it leak proof. Refilling of transformer oil after dehydration and topping up of new transformer oil with 50 liters. Heating of transformer by shorting circuiting. Replacement of LT bush with rods-4nos, and HT bush with rods-3nos, LT side insulator. Providing and fitting of gasket, nuts, bolts and terminal set. Re-mounting of electric transformer on the base frame and then connecting the cable connections and drop out connections, testing and commissioning of transformer on full load at site. The job also includes the cost of skill labour, hire charges for special tools and tackles as well as material charges. Complete job.

AADISHWAR ELECTRICAL & MECH WORKS

R M ENTERPRISES

GANPATI ELECTRICAL AND MECHANICAL WORKS

Rishabh Electricals and Mechanical Works

N B Engineering and Electric Works