Repair/replacement of worn out parts of 250 KVA Voltage Stabilizer along with other allied electro-mechanical works of pumping unit II at LIS Pindi Sarochana New.

Repair/replacement of worn out parts of 250KVA Voltage Stabilizer along with other allied electro-mechanical works of pumping unit II at LIS Pindi Sarochana New

Decoupling of 40HP motor from 2.5 cusec discharge pumping unit II and then dismantling of motor from the base frame. Carriage & shifting of dismantled motor of lift irrigation station Pindi Sarochana New on head load to roadside using manual labour and then to workshop by carriage vehicle. Repairs to 40 HP motor by way of extracting out damaged winding manually and cleaning of slots, then rewinding by using standard copper wire of requisite gauge. Varnishing after rewinding of stator and repairs to rotor by way of welding, turning and finishing to required size. Providing and fitting of two number bearings as per required size. Back shifting after carrying out repairs of motor to site. Replacement of the worn out components of the 250KVA voltage stabilizer of LIS Pindi Sarochana New. Job includes disconnecting all the electrical connections of the stabilizer both on LT transformer side and LT distribution panel side by way of removing old rusted thimbles along with nuts and bolts. Shifting of the stabilizer to the nearest roadside by manual head load through fields approx.150mtrs and loading of the same in the transport vehicle for further carriage to the workshop by employing hydraulic crane and manual labour at site. Replacement of the wornout components of the voltage stabilizer at workshop by way of removing its top cover for extraction of inner assembly from the casing sump. Providing and Fitting of new 01 no. copper coil of requisite size and specifications, new insulation material and nuts/bolts, varnishing drying in hot air circulation. Lowering of the coils inside the casing. Providing and fitting of 01 no. MCCB of 400 amp capacity 03 pole. Also replacement to the damaged components of rotor switch assemblies by providing/fitting of new set of brass bush rods for all individual phases on LT side. Also filling of 100 litres of fresh transformer oil . Providing and fitting of new top cover gasket and cover plate, nuts/bolts and complete reassembling of the stabilizer at workshop. Shifting back the voltage stabilizer to the site. Unloading the same at site employing hydraulic crane/manual labour and shifting by manual head load into the pump room for re-installation. Reinstallation of the voltage stabilizer in the pump room by fixing all the electrical connections, providing/fitting of new thimbles, nuts/bolts. Testing of the 250 KVA voltage stabilizer on partial load and then on full load at site. Complete job including cost of materials, cost of rebate on account of old copper scrap, skilled/semi skilled labour charges, hydraulic crane and tools and tackles required during the execution of the job.

Rebate on Old Parts

ROYAL ENGINEERING ENTERPRISES (BID ID -2409249)

js electrical and machanical works (BID ID -2408630)

ROYAL ENGINEERING ENTERPRISES