Repairs to 63 KVA Electrical Transformer with allied works at LIS Rajpur Kamilla

Amount

Repairs to 63 KVA transformer installed at L.I.S. Rajpur Kamilla by disconnecting the HT conductor & LT cables. Dismantling of supported angles by unscrewing of bolts of clamps from pole. Lifting of transformer by crane and loading in the vehicle. Placing it properly and tightening with manila rope for carriage to workshop. Unloading in the workshop in the same manner by using crane and specialized tools etc. Complete dismantling of the transformer by opening of top cover, extraction of damaged high and low voltage bush and allied parts. Extraction of burnt/damaged HV and LV coil assembly outside the oil tank. Drainage of T.Oil. Rewinding by P/f of 3 legs of HV coils and one leg for LV coil using new Aluminum wire of Requisite gauge. Providing and fitting of 3no. HV bushes, 4 no. LV bushes, HV metal parts(bush rods 3 no.), gaskets core, nut, bolts etc. Desludging of complete T-oil and cleaning of tank of dust, oily substances and then welding the damaged surfaces to plug the leakage of T oil. Lowering the core assembly into the tank using chain pulley, supplying and filling of fresh T oil 60 liters(approx). Complete assembling and then shifting back to site using mechanical transportation, unloading and fixing the transformer on dual pole with the help cran and manual labour. Connecting the transformer to HT ad LT side using Skilled labour. Testing on load at site. The job includes cost of all materials, labour and hire charges of crane and vehicle

Reconditioning and repairs of 2 No. 20HP ATS by disconnecting both ends of ATS from power cables. Extraction of transformer coils from the tanks of each container, complete rewinding of of auto transformer coils of each starter with conductors of requisite size and specifications, P/f of insulation material and then varnishing and drying of the coils by heat treatment, Providing and fitting of 18 No. copper thimbles after replacing the old worn out thimbles of both ATS. Cleaning of all the parts with recommended chemicals, cleaning of the tanks to make it silt free, lowering of the coils in the tank, P/filling of 15 lts of T Oil for both starter. The job includes cost of material, lab our, tools and tackles and hire charges of skilled labour including testing and commissioning of repaired machinery at site.

AADISHWAR ELECTRICAL AND MECHANICAL WORKS

GEETA ENGINEERING MECH WORKS