Repairs to10 cusec pumpset of LIS Dharap unit III and 20 HP motor of unit II of LIS Khwaskhan along with allied works.

Amount

Carriage of the dismantled parts of 10 cusec discharge pump of LIS Dharap(unit-III) and dismantled 20 HP motor of unit-II of LIS Khwaskhan to road side with the help of manual labour using tools and tackles. Loading in mechanical transport for shifting to workshop for repair. Carriage back of dismantled parts of pumpset of LIS Dharap and dismantled 20 HP motor of LIS Khwaskhan in similar manner after conducting necessary repair to the site of installation. The job includes labour charges, hire charges of vehicle (to & fro), carriage, shifting, loading and unloading and all the tools and tackles required for executing the job.

Dismantling the suction piece by unscrewing/cutting of old rusted nuts and bolts and taking out the tail piece of pump body by way of unscrewing the nuts and bolts using tools, tackles and manual labour. Decoupling the motor from pump and lowering the motor from base frame with the help of manual labour using tools and tackles at site. Extracting the shaft assembly from pump body after unscrewing the required nuts, bolts from motor side and unscrewing the lock nut for impeller from suction side. Repairs to 10 cusec discharge pump at workshop by way of extracting the damaged parts. Providing and fitting of the new pump shaft after turning, finishing, threading and cutting of keyways as per the required size. Repair to impeller by way of brazing turning and finishing to require size. P/F of new gland bushes-01 Nos., bearing 02 Nos and new check nuts, lock nuts 02 Nos. and cotter set to required size. Repair to gland brackets, suction body and bearing housings. Fitting the shaft assembly to pump body by inserting it from motor side and fitting to the pump body by P/F of rubber sheet joints cut to size and required nuts and bolts along with washer. Fitting the impeller from suction side and locking it with lock nut. Fitting the tail piece of pump body by P/F of rubber sheet joint cut to size and required nuts and bolts along with washers. Similarly fitting of suction piece by P/F 02 Nos rubber sheet joints to either side of suction piece cut to side along with new nuts and bolts with washer of required size. Loading the motor on base frame with the help of manual labour using tools and tackles. Coupling the motor with pump body by P/F of new coupling bolts and nuts along with bush of appropriate size. Filling of grease mixed with mobile oil in the bearing housing. The job also involve P/F of three Nos leads along with thimbles of appropriating rating to the terminal plate of 50HP motor at site and replacement of gland packing.The complete job includes cost of material, labour charges and hire charges of tools and tackles required along with testings and commissioning on full load at LIS Dharap.

Dismantling of the damaged 20 HP motor of unit-II of LIS Khwaskhan at workshop by way of extracting the rotor from stator and then extracting the burnt/damaged coils, cleaning of stator slots with appropriate chemical. Complete rewinding of the motor with new copper wires of requisite gauge and specifications of standard make. Providing and fitting of new insulation, packing material, then varnishing with superior quality varnish and drying in oven in controlled temperature. Repairs to rotor by way of rebuilding, turning and finishing of the rotor shaft to bearing sizes and making of key way for coupling.Providing and fitting of new bearings (DE & NDE) as per sample.Fabrication, providing and fitting of bearing end cover plate to NDE side. Complete greasing of the bearings, Fabrication of new Bakelite terminal plate using good quality of Bakelite sheet and drilling of hole of appropriate size to accommodate the terminal bolts.Providing and fitting of new terminal nuts and bolt. Connecting all the electrical connection by p/f of new thimble of appropriate rating/size after coupling it with pump body and testing on full load at site. Complete job includes cost of material and labour charges.

Rebate on Old Parts

M/S V.N ENGG WORKS

AJAY ELECTRIC AND MECH WORKS

KRISHNA ENGINEERING WORKS