MID/AN/91

1. Repairs to 150 KVA voltage stabilizer installed at LIS Argi. The job involves disconnecting of the Voltage stabilizer from the main power supply (Incoming and Outgoing cables). Shifting the Voltage stabilizer to the firm’s workshop in Load Carrier. Dismantling the stabilizer by way of loosening /dismantling of the top cover, nut and bolts. Lifting of inside transformer assembly with the chain pulley block for extraction of the complete unit. Dismantling/Extraction of the damaged /burnt coils (3 nos.). Thereafter dismantling of the core assembly and extraction of the burnt copper wire with the help of manual labour and suitable tools/tackles. Rewinding of two no. coils by using new copper wire of the superior quality. Replacement of the rotor assembly (1 nos.) by way of p/f of new components, replacing all the damaged /burnt components. The job includes P/F of 1 No. volt meter (Output Meter), Meter phase indicator, phase indicator lamps. Boiling of the T.oil in stabilizer by draining it out of the tank. Heating with heater coils to make it completely moisture free, filling it back after complete cleaning and drying of tank. Providing filling of 100 litre T.oil to make up for the deficit. Reinstallation of the stabilizer frame with transformer assembly. Lowering of complete unit in tank after p/f of shock proof gasket and body with nuts/bolts by using specified tools and tackles. Shifting it back to the site. Connecting power cables by p/f of new thimbles of the requisite capacity and testing on load. Complete job includes the cost of material, labour charges, transportation charges, hiring charges of tools / tackles required at site. 01 complete Job 2. Repairs to the 250KVA Transformer installed at LIS Thandapani. The job involves disconnecting all electrical, unscrewing the nuts and bolts of top cover and lifting the top cover with the help of hydraulic crane. Replacement of damaged 03 nos HT & 4 nos. LT bush and its metal parts as per sample Providing /Fitting of new gasket, L.T. terminal plate, nuts, bolts, etc. Providing/Topping up of 120 litre transformer oil and. Assembling the transformer by tightening all nuts, bolts and using oil packing sheets wherever necessary. 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. 01 Complete Job 3. Repairing the LT control Panel installed to operate 150 HP motor installed at LIS Thandapani by way of disconnecting the main power supply and dismantling the MNX contactors and replacing the below mentioned parts: 1. 02 No. Spare Kits of MNX-225 contactor. 2. 02 No. Spare coil of MNX-225 contactor. Assembling the contactors and testing them on full load. The job includes the cost of material, labour charges(both skilled and unskilled) and transportation charges. Complete Job

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS (BID ID -2268933)

NATIONAL ELECTRO-MECH COMPANY (BID ID -2273431)