Strengthening to pumping machinery by repairs replacement of electro mechanical components and allied works installed at LIS Kothey kalyana new

Amount

Shifting of 250 kva transformer by way of disconnecting of the electric transformer from the input and output power connections, lifting of electric transformer from its installed position by using manual labour, crane and then shifting to workshop by using carriage vehicle. Shifting back after carrying out repaired transformer to site. The job includes loading and un-loading of transformer at LIS Kothey kalyana new and workshop, manual labour, carriage charges of vehicle (to & fro), tools & tackles, hire charges of crane. (Complete job)

Strengthening to the pumping machinery by way of repairs to the 250 kva transformer. Complete dismantling of the 250 KVA transformer at workshop by way of extracting out the damaged coils, LT bushes, HT bushes, rubber gasket, copper nuts and bolts. Rewinding of all HT coils with standard gauge with proper insulation & taping. Reconditioning of 3 no’s LT leg coils using quality insulation material. Repairs to core of transformer by replacing the flashed core material. Heating to repaired transformer in oven to get required meager value. Properly cleaning the oil tank with scrubbers to remove all carbon deposits. Lowering of the coils inside the sump of the transformer. Providing and fitting of LT and HT bush rod sets, new insulator, new copper nuts and bolts. Refitting of the top cover of transformer by providing and fitting of new gasket sheet. Providing/ filling of 160 litres of fresh transformer oil in oil tank after filtering existing oil. Testing the continuity of each phase and secure all connection. The job includes the cost of materials, labour charges, testing on no load/ full load, tools and tackles used during the execution of job. (Complete job)

Replacement of HT fuse sets installed at 250 kva sub station of Kothey kalyana new by way of providing and fitting of HT fuse set on three incoming HT phases. Job includes replacement of HT conductors between HT link set and HT bush rods of transformer. Complete job includes cost of material, installation charges and skilled labour charges.

Rebate on Old Parts

GANPATI ELECTRICAL AND MECHANICAL WORKS

N B Engineering and Electric Works