Repair/replacement of worn out parts of 3 cusec x 10m head pumping unit no.3 along with allied works at LIS Datriyal.

Repair/replacement of worn out parts of 3 cusec x 10m head pumping unit no.3 along with allied works at LIS Datriyal.

Decoupling of 03cusec x 10m head HC pump and 20HP motor of unit no.3 at LIS Datriyal and dismantling the pump from the base frame & from suction side by way of cutting the rusted nuts & bolts with cutter. Carriage of the dismantled 03cusec HC pump and motor to the nearest roadside, using manual labour, head load, loading in transport vehicle, carriage to the workshop in the mechanical transport for repairs. Repair to 03 cusec pump at workshop by way of dismantling and extraction of damaged internal parts. Repairs to the damaged pump shaft by way of remetalling, turning, straightening, & finishing to accurate size, threading at ends and making of new key way. Providing & fitting of new impeller in place of damaged one as per sample and fitting of the same on the pump shaft. Providing and fitting of 2no.s new bearings on driving and non driving end of the pump as per sample, 1no. neck ring, shaft protection sleeves, new gland studs and applying sufficient amount of grease to avoid excessive wear and tear, gland packing as per requirement. Complete assembling of pump set after carrying out necessary repairs. Job also includes providing and fitting of new coupling nuts/bolts & rubber bushes. Dismantling of the damaged 20HP Motor at workshop for extraction of burnt/damaged windings, cleaning of stator slots and complete rewinding of the motor with new copper wires of requisite gauge and specifications of standard make. Providing/fitting of new insulation, packing material, then varnishing with superior quality varnish & drying in oven in controlled temperature. Complete job includes cost of material and labour charges. Repair to rotor of motor by providing/fitting of new bearings (DE & NDE) after rebuilding of the rotor shaft and finishing to bearing size, making new keyway for coupling, providing/fitting of bearing end cover plates and greasing of the same. Assembling of the motor at workshop after necessary repairs. Complete job includes cost of material including rebate on old copper scrap and labour charges with hiring charges of tools & tackles. Repairs to 20HP Manually Operated Oil immersed star-delta motor starter by way of dismantling of starter from its installed position after disconnecting all electrical connections on input as well as output side and repairs/replacement of intermediate Bakelite rod, moving and fixed copper contact points, No volt coil, thimbles, overload protection relay at site. Testing and commissioning of complete pumpset on no load and full load conditions. Job also includes providing and filling of approx.05 litres of fresh transformer oil in the tank after complete de-moisturizing. Complete job includes cost of material, skilled labour charges, tools and tackles charges and carriage charges.

Rebate on Old Parts

BEE AAR ENTERPRISES (BID ID -2335404)

GS ENGG WORKS (BID ID -2336237)

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS