Repairs to transformer at LIS karnaila chak and electromechanical repairs at LIS zanihal and LIS Kaskoot along with allied works

Repairs to transformer at LIS karnaila chak

Disconnecting the 100 KVA electric transformer from the input and output connections, from HT and LT side loading the electric transformer using manual labour & crane /chain pulley block to head load and loading it in a vehicle and then shifting it to workshop for repairs. Dismantling of the 100 KVA transformer, at workshop by way of extracting out the slugged transformer oil, damaged HT coils & LT coils, LT bushes-03 no., HT bushes-03 no., damaged insulator, rubber gasket, nuts and bolts. Rewinding of 3 no. HT leg .& reconditioning of 3 no. LT leg with specified wire gauge which includes proper tapping and insulation. Keeping all three leg coil assembly at oven for requisite time for making it moisture free and lowering the coil in the body and making delta connection Providing and fitting of LT and HT bush rod sets, new insulator, rubber gasket, new copper nuts and bolts and other necessary items .Lowering of the coils inside the sump of the transformer ,and then fitting of top channels, and support arms Providing/filling with 100 litres T-oil for topping up of transformer and reconditioning of the old transformer oil. Refitting of the top cover, Testing the continuity of each phase and securing all connections. Shifting the repaired electric transformer back to sitei.e; LIS Karnaila Chak, unloading and installing at transformer hoisting channel with the help of crane and skilled manual labour, connecting of HT and LT supply, commissioning and testing of the 100 KVA Transformer on part load and full load at site. The job includes the cost of material, labour charges, sundry items loading & unloading, to &fro carriage, testing and installation and hire charges of the crane used during the execution of job. Providing and fitting of 120 sq.mm single core aluminum cable-10 meters (02 leads) in place of damaged from transformer to LT fuse set by way of stripping the cable ends and duly thimbling by crimping tool and giving connection to transformer and LT fuse link set. Fitting on embedded frame by fixing channels as per requirement .The job includes cost of material, colour coding, nut bolts, clamps, insulation tape, labour, transportation charges

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Electromechanical repairs at LIS zanihal and LIS Kaskoot along with allied works.

Strengthening of 10 inch dia underground rising main of LIS Zanihal of length 300 meter approx. at various locations by digging approx. 5’x4’x4’ at 5 no. locations Fabrication/providing of 2 no. flanges by using cutter/welding machine to extract the old worn out pipes by cutting rusted nuts bolt with the help of gas cutter using tools and tackles and... The job also include fitting of fabricated flanges to rising main. Providing of new rubber gaskets, nuts and bolts. Complete job includes plugging holes by welding at desired locations on rising main. cost of material, labour, head load, hire charges of welding set, transportation and other incidentals. by using gas cutter by way of lifting them by ropes to the head load side with help of manual labours/tripod. Complete job includes cost of material, labour, head load, hire charges of welding set, transportation and other unforeseen incidentals at site Repair/maintenance of electric systems including repairs /new electrical wiring and allied works at LIS Kakoot by way of extraction / removing of old damaged point wiring along with burnt switch socket etc and providing/repairing of point wiring with 1 sq mm or equivalent copper cable for light / socket points approximately 6 nos. inside and outside pump room building in casing / caping or surface conduit. The job also includes providing and fitting of switch board, switches, sockets, holders, back sheets, LED bulbs and other fittings required for the purpose. providing & fitting of 1.mm copper wire enclosed in a casing-capping/PVC conduit, along with providing fitting bulb holder-06 no., switches, sockets, LED bulbs-06 no., switch board and 1 no. led flood light 50 watt standard make along with support stand for safety of workers and taking the service connection from nearby pole/panel by using service cable 1/1.5sq mm or equivalent size of length 20 meter each making the station work smoothly at night . Job includes fastening of cables by using wooden/plastic gutties, screws, clamps, drilling holes in the walls for crossing of the cable and other works required for execution of the job. The job also includes finding fault in pump room, fitting of 7/16 or equivalent cable of approx. 10 meter in place of old damaged worn out cables wires by thimbling on both sides by copper thimbles, along with necessary repair to motor socket of unit 3 it ends from starter of unit 3 to motor of unit 3 and finding the fault . Disconnecting the 100 KVA electric transformer from the input and output connections, from HT and LT side loading the electric transformer using manual labour& crane /chain pulley block. Replacement of LT bushes-03 no gauge which includes proper tapping and insulation. Providing and fitting of LT and HT bush rod sets, new insulator, rubber gasket, new copper nuts and bolts and other necessary items. fitting of new one no. LT Fuse link set consisting of MS angle, MS flat, aluminum bus bars/L clamps, D type shackle insulator, fuse wire, MS Clamps, nuts & bolts. The job includes fixing of the LT fuse link set on the pole by way of drilling holes, fixing clamps and nut bolts. Providing and fitting of 100 sq.mm single core aluminum cable-20 mtr (04 leads) from transformer to LT fuse set by way of stripping the cable ends bothsides ,dressing and thimbling on both sides by copper thimbles and giving connection from transformer to LT fuse link set. The job includes cost of material, new electric cables required for providing connection from transformer to fuse set and pump room , nut bolts, clamps, insulation tape, labour, transportation charges

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