MID/J/40

Repair/Replacement of damaged parts of 100 KVA electric sub-station installed at lift irrigation station Kothey Kalyana Old by way of 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 (approx) of fresh transformer oil. Back shifting of the repaired transformer to the roadside at LIS Kothey Kalyana old, then with the help of the crane to the lift station and then installation of the repaired transformer to its original position. Complete job includes cost of material, labour charges, cost of oil, welding charges. Repair to the coupling and suction pipe of priming pumpset at LIS Kothey kalyana old. The job includes repair to coupling by unscrewing the old rusted nut bolts and decoupling the pump-motor assembly. Providing/fitting of new coupling in place of damaged worn out as per sample to fasten the pump motor assembly. Dismantling of priming unit’s suction pipe by means of tool and tackles/manual labor and then extraction of the suction pipe from the nallah. The job further includes cutting of rusted part of the suction pipe (approx. 4ft in length) from the priming suction pipe. Providing/fitting of GI pipe 3 inch dia., 4ft in length in place of old rusted portion of the pipe by way of threading at both ends of pipe. Finally fitting of the priming suction pipe at the site by means of tool and tackles and manual labour. The firm has to arrange the alternate transformer during the dismantling of damaged transformer from the site. 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