Replacement of damaged components and rewinding of 200 KVA transformer and allied electro-mechanical works installed at LIS Pandorian.

Replacement of damaged components and rewinding of 200 KVA transformer and allied electro-mechanical works installed at LIS Pandorian.

Dismantling of 200kva transformer from its installed position by way of disconnecting of the electric transformer from input and output power connections, lifting of electric transformer from its installed position by using manual labour, crane and then shifting to workshop by using carriage vehicle.Replacement of damaged parts and rewinding to 200kva transformer installed at Lift irrigation station Pandorian by way of dismantling of the transformer at workshop and extracting out the damaged coils, LT bushes, HT bushes, HT bush rods, LT bush rods and gasket. Strengthening of the cooling fins of transformer by welding damaged and leaking portions. Rewinding of three number HT legs coils 12 number coils with standard gauge wire with proper insulation& taping. Reconditioning of three no’s LT leg coils using quality insulation material. Replacing the flashed core material. Heating to repaired transformer in oven to get required meager value. Properly cleaning the oil tank with scrubbers to remove all carbon deposits. Lowering of the coils inside the sump of the transformer. Providing and fitting of LT bush, HT bush, LT bush rods and HT bush rod sets, new insulator, and sundry items. Refitting of the top cover of transformer by providing and fitting of new gasket sheet. Providing/ filling of 300 liters of fresh transformer oil in oil tank. Testing the continuity of each phase and secure all connection. Shifting back after carrying out repaired transformer to site. Complete job includes cost of material, installation charges and skilled labour charges ,loading and un-loading of transformer at Lift irrigation station Pandorian and workshop, carriage charges of vehicle (to & fro), testing on no load/ full load , tools & tackles, hire charges of crane. Repair to 300 mm dia sluice valve of unit no I, installed at LIS Pandorian old station by way of completely dismantling all the internal parts of valve. Fabrication/Replacement of new stem rod with square threads. Providing and replacement of new wedge nut, wedge shape disc with seat ring. Providing and replacement of new gland packing, gland plate with gland nuts. Properly checking inner body of sluice valve for any cavitations voids or corrosion, filling of the cavities and finishing of the same. Providing and fitting of rubber sheet between the flanges with providing of new nuts and bolts. Complete job includes cost of material, labour for skilled and unskilled labour. 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

ROYAL ENGINEERING ENTERPRISES

N B Engineering and Electric Works

ROYAL ENGINEERING ENTERPRISES