Replacement of damaged components and rewinding of 63 KVA transformer along with electro-mechanical works at LIS Rathana and repairs to 75 HP motor of pumping unit No. I along with allied elecro-mechanical works at L.I.S. Kothey Parlah Old

Replacement of damaged components and rewinding of 63 KVA transformer along with electro-mechanical works at LIS Rathana.

Replacement of damaged parts of 63 KVA electric sub-station installed at lift irrigation station Rathana pumping station by way isolating of transformer from from 11 KV HT supply by using crane and then to roadside and then to workshop by using transport vehicle. Dismantling of the 63 KVA transformer at workshop by way of extracting out the damaged coil, LT bushes, HT bushes, damaged insulator, rubber gasket, nuts and bolts. Complete rewinding of HV coils and reconditioning of LV coils using superior quality insulating material. Providing and fitting of LT and HT bushes rod sets, new insulator, rubber gasket, nuts and bolts, new aluminum thimbles for LT Cables, lowering of the coils inside the sump of the transformer. Refitting of the top cover providing/filling of T-oil in sump, new 90ltrs T-oil. Testing the continuity of each phase and secure all connection. Shifting back of repaired electric transformer at site, unloading and installed at site with crane and carriage to site of installation, connecting of HT and LT supply. The job includes the cost of materials, labour charges, loading, unloading, testing and installation, tools and tackles used during the execution of job. Providing and fitting of new 200 mm diameter cast iron, flanged foot valve with pressure rating of PN 0.2 for the unit No I, 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 after extension of the suction pipeline by 1.5 mtrs by providing and fitting of new 200mm pipeline. Replacemet of damagaed parts of 25 HP oil immersed, double contact starter of pumping unit no Iii at LIS Pindi Sarochana Old by way of extracting the damaged contact points of copper both moving and fixed thimbles, no volt coil, tripping system , overload relay and replacing the same with new ones. Providing /filling of new T-oil 10 liters. The job includes cost of material, labour charges, installation and testing charges at site. Note:- The Tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/ alterations of the job, felt necessary if required at the time of actual execution may be /done as per actual site conditions. The firm should offer rebate on old material.

Rebate on Old Parts

Repairs to 75 HP motor of pumping unit No. I along with allied elecro-mechanical works at L.I.S. Kothey Parlah Old.

Decoupling of motor of pumping unit no I from and then dismantling the motor from the base frame. Carriage & shifting of dismantled motor of LIS Kothey Parlah Old on head load to roadside using manual labour and then to workshop by carriage vehicle. Repairs to 75 hp motor of pumping unit no I by extracting out old damaged winding manually and cleaning of stator slots. Complete rewinding of the stator by using standard copper wire of requisite gauge. Varnishing after rewinding of stator. Repair to rotor shaft by way of welding, turning and finishing to required size. Providing and fitting of new bearings 2 no’s on driving and non driving end, end terminals, nuts and bolts. .Replacement of coupling pulley of pumping unit no I and fitment on pulley to make the size compatible with pump and motor shaft. Providing and fitting of 8 no’s. new coupling nuts & bolts, rubber bushes, key way. Back shifting after carrying out repairs to motor to site. The job includes loading, un-loading, manual labour, carriage charges of vehicle (to & fro), tools & tackles etc. Providing and fitting of new 300 mm diameter cast iron, flanged foot valve with pressure rating of PN 0.2 for the unit No I, 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 Complete job. Note:- The Tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/ alterations of the job, felt necessary if required at the time of actual execution may be /done as per actual site conditions. The firm should offer rebate on old material.

Rebate on Old Parts

M/S GANPATI ELECTRICAL AND MECHNICAL WORKS

N B Engineering and Electric Works

Rishabh Electricals and Mechanical Works

N B Engineering and Electric Works