Repairs of 05 cusec discharge pump set Unit II at LIS Karnaila Chak with other allied works and reconditioning of voltage stabilizer, control panel and motors at LIS Sohanjana rendered unserviceable due to flash floods along with other allied w

Amount

Repairs of 05 cusec discharge pump motor set Unit-II at LIS Karnaila Chak with allied works.

Carriage and shifting of 5 cusec discharge pump of unit-II by way of head load to the nearest roadside using manual labour, loading in mechanical transport vehicle, carriage to workshop for repairs. After complete repairs back shifting of pump set to site of installation, i.e. LIS Karnaila Chak. The job includes labour charges, hire charges of vehicle (to & fro), loading and unloading. All the tools and tackles are to be arranged by firm.

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 shifting the pump from base frame with the help of manual labour using tools and tackles at site. At work shop, 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 5 cusec discharge pump at workshop by way of extracting the damaged parts. Repair to pump shaft by way remetalling turning, threading, finishing and cutting of key ways to accurate required size. Repair to impeller by way of welding ,brazing, turning and finishing it to required 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 of 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. Placing the pump on base frame with the help of manual labour using tools and tackles and fixing new nuts and bolts. Fitting the newly fabricated coupling pulley set on pump and motor shaft. The job includes providing and packing of metal shims under the motor/pump as per site requirement for their proper alignment and to avoid undue vibration during operation and tightening the nuts & bolts. Coupling the pump and motor using new coupling bolts and rubber bushes. Filling of grease mixed with mobile oil in the bearing housing. The job includes replacement of gland packing. The job also includes topping up of 100 KVA electric transformer by using 30 litre of transformer oil .The complete job includes cost of material, labour charges and hire charges of tools and tackles required along with testing and commissioning on full load at LIS Karnailachak.

Providing and fitting of new coupling pulley set by way of fabrication, turning to shaft size, key way making and finishing. Drilling of required no. of holes to the coupling pulley set for fixing coupling bolts. Providing of new coupling bolts, rubber bushes and cotter pins as per required size. Complete job includes cost of material & labour charges with hire charges of tools and tackles.

Rebate on Old Parts

Reconditioning of voltage stabilizer, control panel and motors at LIS Sohanjana rendered unserviceable due to flash floods along with other allied works.

Reconditioning of voltage stabilizer by disconnecting all the electrical connections of the 100 KVA voltage stabilizer installed at LIS Sohanjana both on transformer side and electrical motor side by way of removing old rusted thimbles along with nuts and bolts. Repair of 100 KVA manually operated voltage stabilizer by way of dismantling it at site by removing its top cover for extraction of coils from the casing sump with the help of chain pulley block, tripod stand and manual labour. Finding the fault and checking for proper insulation and continuity .Drying of the coil along with P/F of 01 no. of new manually operated rotary switch along with plate. Lowering of the coils inside the casing.. The job involves P/F of 01 no. voltmeter. Heating of the T-Oil to make it moisture free in stabilizer by draining out from the tank. to make it moisture free, filling of deficit quantity of T-Oil approx 40 litre. P/F of new top cover gasket set and assembling of top cover plate by providing /fitting of nuts and bolts. . Lowering of the coils inside the casing. P/F of new panel accessories of voltage stabilizer by replacing the old with the new one. Complete job includes cost of material, carriage, labour charges and hiring charges of tools and tackles. Making the electrical connections of by way of providing new thimbles of appropriate rating/ size along with new nuts/bolts and testing of the 100 KVA voltage stabilizer on full load at site

Repairs to foot valve 10” dia of unit 2 along with priming unit footvalve which are immersed in slit up to 2.5 foot at LIS sohanjna during flash flood at site by way of extraction/cleaning of foot valve by way of lifting it by ropes to the head load side , unassembling the footvalve and providing new rubber gasket along with nut bolts new welding. Re-assembling of entire foot valve and checking operation with load. Complete job involves cost of material and labour charges.

Rebate on Old Parts

M/S UTTAM ENGINEERS

M/S PERFECT ENGINEERING WORKS