MID/AN/101

Repairs to the 100KVA Transformer installed at LIS Bhanara. The job involves disconnecting all electrical connections and making the approach road to transformer with the help of Backhoe loader in order to lift 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 damage coils with chain pulley block. Rewinding its 2 nos. H.V. coil & 3 no. L.V. coils with superior wire of requisite size/gauge. Heating the rewinded coils to attain the required megger value. Replacement of damaged 3nos HT & 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 80 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 platform with the help of crane using skilled manual labour. Job also includes providing /fitting of new knife set. 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

Repairs to 3 cusec, 24 metre head HC pump unit no. 01 at LIS Bhanara. The job involves decoupling of pump from motor. Further dismantling the pump & shifting of the pump shaft assembly by manual / mechanical means to workshop. Complete dismantling of the pump assembly. Fabrication of new shaft in place of out broken one . Turning/machining of shaft on lathe machine for proper size. Providing / fitting of two nos. bushes and two no. bearings as per sample to the pump. Assembling of the pump parts. Carriage / transportation of the pump assembly back from workshop to the site of installation at LIS. Fitment of pump along with replacement of rusted / damaged studs, gaskets, alignment setting at its position, p/f of gland packing, greasing work etc. Aligning & coupling the pump & motor. Complete testing of the pumping unit on full load. Job includes cost of all material, transportation charges, head load and labour charges for skilled/semiskilled labour, hire charges for tools & tackles. Complete Job

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

NATIONAL ELECTRO-MECH COMPANY