Replacement of damaged components of 100 KVA transformer and allied mechanical works at LIS Kothey Kalyana old.

Replacement of damaged components of 100 KVA transformer and allied mechanical works at LIS Kothey Kalyana old.

Replacement of damaged parts of 100 KVA electric sub-station installed at lift irrigation station Kothey Kalyana Old by way isolating of transformer from 11 KV HT supply, removing of HT cables and LT cables from the transformer. Lifting of transformer from installed position using crane and carriage of transformer to road side from the lift irrigation station. Shifting of transformer to workshop for repairs. Completely dismantling the transformer after removing the top cover of transformer and extracting out the damaged LV and HV coils from the oil tank. Complete rewinding of HV coils and reconditioning of LV coils using superior quality insulating material. Providing and fitting of 4 no’s LV bushes, 3 no’s HV bushes, LV bush rod 4 no’s, HV bush rod 3 no’s, gasket set and nuts and bolts. Repairs to the core of transformer by replacing the flashed core material. Heating of assembled coils in oven for proper hot air process and to get required meager value. Repair to oil tank by welding to make the oil tank leak proof and air tight. Lowering the assembled coils in oil tank. Filtering of existing transformer oil and topping up with 150 liters of fresh transformer oil. Complete job includes cost of material, labour charges, cost of oil, welding charges. Providing and fitting of new 200 mm diameter cast iron, flanged foot valve with pressure rating of PN 0.2 for the unit No IV, after replacing existing damaged foot valve by cutting rusted nuts, bolts with gas cutting at intake source. Job includes providing of new nuts, bolts and rubber gasket and finally fitting it with the end of suction pipeline. Note:- The Tenderers are requested to visit the site and quote the rate as per site conditions. The firm should offer rebate on old material.

Rebate on Old Parts

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS

NATIONAL ELECTRO-MECH COMPANY

PERFECT ELECTRICAL WORKS