Repair/replacement of worn out parts of 3 cusec x 10m head pumping unit no.1 of LIS Rattanpur Paras along with allied works.

Repair/replacement of worn out parts of 3 cusec x 10m head pumping unit no.1 of LIS Rattanpur Paras along with allied works

Decoupling of 3 cusec x 10m HC pump of unit no.1 at LIS Rattanpur Paras from the motor assembly and dismantling the pump from the base frame. Carriage of the dismantled 03 cusec HC pump set, to the nearest roadside, using manual labour, head load to nearest road side, loading in transport vehicle, carriage to the workshop in the mechanical transport for repairs. Repair to 3 Cusec HC pump set at workshop by way of dismantling and extraction of damaged internal parts. Job also includes providing of new pump shaft and fitting by turning, aligning, threading at ends and making of new keyways and its proper adjustment. Repair to the impeller by way of welding/brazing, machining, making key ways slots on the impeller, and fitting of the same on the pump shaft Providing and fitting of bushes, new gland rings,1 no. shaft protection sleeve, new bearings as per sample, new studs/bolts on it, applying sufficient amount of grease to avoid excessive wear and tear, gland packing as per requirement, repair to HC pump housing. Shifting back to the LIS Rattanpur Paras after carrying out necessary repairs at workshop and then fitting/reinstallation at the base frame, coupling with the motor by making proper alignment and testing on partial/full load. Complete job includes cost of material and labour charges etc. Repair to coupling set by way of welding, machining of bores and resizing of coupling bolt holes and drilling to proper size and machining keyway on either side of shaft (motor and pump side) for proper balancing to avoid any misalignment of pump-motor assembly.Job also includes Providing and fitting of new coupling nuts/bolts & rubber bushes. Dismantling of the 20H.P electric motor of pumping unit no-1 of LIS Rattanpur paras from base frame, pump & starter electrical connections after disconnecting all electrical connections on input as well as output side. Opening of the side covers of the 20HP Motor at site for extraction of rotor assembly by using chain pulley block, manual labour and proper tools tackles. Cleaning of the stator of the motor with the help of petrol and cloth to remove dust/carbon and then varnishing of the motor with superior quality varnish with two coats & drying in controlled temperature. Providing/fitting of new bearings (DE & NDE) after rebuilding of the rotor shaft, greasing of the bearings of the rotor, reassembling of the stator with rotor using proper tool tackles and manual labour with proper alignment. Making proper electric connections to the motor and then testing of the motor on idle load and full load conditions. Repairing of electrical connection with thimble connected to main switch. Welding of damaged suction pipe of priming pump. Complete job includes cost of material and labour charges with hiring charges of tools & tackles. Repairs to 25HP Manually Operated Oil immersed star-delta motor starter of Unit-I of LIS Rattanpur paras. Job includes dismantling of starter from its installed position after disconnecting all electrical connections on input as well as output side and then carriage of the starter to workshop for repairs / replacement of intermediate Bakelite rod, moving and fixed copper contact points, No volt coil, thimbles, overload protection relay and then back carriage to LIS for re-installation, commissioning and testing on full load and no load conditions. Job also includes providing and filling of approx.05 litres of transformer oil in the sump after complete de-moisturizing.Complete job includes cost of material, skilled labour charges, tools and tackles charges and carriage charges

Rebate on Old Parts

M/S TRIKUTA ELECTRICAL & MECHANICAL WORKS (BID ID -2192038)

BEE AAR ENTERPRISES (BID ID -2192111)

BEE AAR ENTERPRISES