85/MID/AN

Repair to 630KVA electric Transformer installed at LIS Gurha-I. The job involves disconnecting all electrical connections and Lifting the transformer from its installed position and loading in the vehicle with the help of crane and shifting to workshop with mech. transport. Unloading at workshop . Disassembling the transformer at workshop by unscrewing the bolts of top cover and extracting the body with chain pulley block. Rewinding its 1 no. H.V. & 1no. L.V. coils with superior copper wire of requisite size/gauge.. Replacement of damaged 3 nos. LT bush rods with the new bush rods as per sample. Providing /Fitting of new gasket, L.T. terminal plate, nuts, bolts, etc. Cleaning of the tank and drying it. Providing/Topping up of 120 litre transformer oil and heating the oil to make it moisture free. Lowering the windings back in the tank Assembling the transformer by tightening all nuts, bolts and using oil packing sheets wherever necessary. Loading in the vehicle and shifting back to site . Job includes placing of transformer on the foundation with the help of crane using skilled manual labour. Fitting the transformer and restoration of electrical connections. Testing & commissioning on full load. Complete job including cost of material, skilled and semi-skilled labour charges, loading & unloading at both ends and transportation charges as per site conditions of LIS. Complete job

Repair to the leaking portion of 300 mm dia suction pipe of pumping unit no. 3 at LIS Gurha-1. The Job involves dismantling of the suction pipe by using manual labour and cutting the rusted nuts and bolts by gas cutter, suitable tools and tackles . There after cutting of worn out/rusted portion of suction pipe by using gas cutter. Replacement of worn-out portion by way of P/F of new M.S Pipe (2 mtr) approx. P/F of 2 no.new M.S flanges in place of old worn-out ones. Welding with one root layer and two additional layers with 3.14 mm and 4mm I.S marked M.S welding electrodes to fill the grooves between the pipe, welding to be done by specialized skilled workman, handling with proper tools , tackles, employing semi-skilled workman and suitable tools /tackles. The weld should be spurt and gap free and to be done with good quality electrodes and slag material to be chipped off. Fitting of suction pipe fastening the flanges by using new , bolts and washers. Testing for any leakages. Complete job includes cost of material, hire charges of welding set and diesel generator set, labour charges, manual handling, transportation charges and hiring charges of tools and tackles. Complete Job

M/s RK Elect. Mech. Engg and fabrication works

M/S FASTTRACK ENGINEERS