Restoration of Electro Mechanical Machinery of LIS Thanger Chowdriala along with allied works

Repairs/Servicing to 200 mm dia. Foot valves 2 Nos. installed at LIS Thanger Chowdriala by clearing suction side of foot valve by removing debris and other materials by engaging manual labour. The job involves disengaging of foot valve from suction pipes. Separating the strainer from the foot valve. Dismantling of foot valve mechanism. Repairs to foot valve flap by providing/fitting of new leather washer cut to size with nuts, bolts and washer etc. Complete assembly of foot valve. Connecting strainer with foot valve and fitting with suction pipes. The job further involves Repairs/servicing to 2 Nos. 200 mm dia sluice valves by extraction of damaged stem rods gland bushes, backseat and seat ring and p/f of same components of each sluice valve as per sample, p/f of gland packing and greasing the stem rod for smooth functioning of sluice valve. The job also involves repairs to 2 Nos. 200 mm reflux valves after extraction for the damaged components by opening the top cover with tools and tackles, extraction of the damaged disk, hinge, body seat ring, disc seat ring, gaskets, nut and bolts. P/F of new MS/CS disc, new MS hinge, hinge pin, body and disc seat rings and gasket for top cover with new nut and bolts The job includes cost of material, hire charges of tools and tackles required for the job, labour charges for skilled/semiskilled labour at the site of LIS. Complete Job

Servicing of 5 cusec x 48m head pump set coupled with 120 H.P motor 2 Nos. at LIS Thanger Chowdriala by way of dismantling of the pumps, de-coupling from the motor. Dismantling the pump at site cleaning the gland impeller, gland bushes and gland plates and P/F of new gland packing, nut bolts, rubber sealings, applying sufficient amount of grease in gland packing to avoid excessive wear and tear, complete assembling of pump set after carrying out necessary repairs. Re-assembling of pump set at site. The job also includes Repairs/Servicing of motor of 120 H.P 2 Nos. by way of opening of side covers with the help of tools & tackles/manual labour and then extraction of rotor. Cleaning the stator and allowing it dry then applying two alternate coats of varnish and drying each coat by hot air process. Fitting the rotor and greasing of bearings properly. P/F of 12 No. thimbles of required size for motor terminals. Reassembling the motors and coupling it with pumps. Job includes hire charges of tools & tackles, to and fro labour charges for skilled/semiskilled labour, testing charges, cost of material used for execution of job at site. Complete Job

Repairs/Servicing to 250 KVA voltage Stabilizer by disconnecting all the electrical connections from the voltage stabilizer and then opening the top cover and extraction of core assembly from the stabilizer with the help of chain pulley block and labour. Draining out of the T-oil from the stabilizer. Cleaning of all the coils with recommended chemicals. Servicing/varnishing of all the three coils with recommended chemicals. Servicing/Varnishing of all the three coils by way of applying varnish to them and drying them completely using heating process for at least two days on intermittent heating. Cleaning of the tank of voltage stabilizer by way of recommended chemicals using oil, dhoti cloth, cotton. Lowering of the core assembly after servicing the voltage stabilizer casing. Providing/filling up of fresh transformer oil measuring approx. 550 litres Approximately after cleaning the tank and heat. Placing the top cover by providing/fitting of new gaskets, nuts and bolts. The job includes cost of materials and labour charges for the execution of job at site. It also includes hire charges of tools and tackles used including the outstation charges and carrying charges and carriage charges.