Repairs of 05 cusec discharge pump motor set of Unit-2 along with allied works at LIS Karnaila Chak and Repairs to 10 cusec x 10 meter head Pump unit No.4 and foot valve of unit 2 and 3 at LIS Ismailpur

Repairs of 05 cusec discharge pump motor set of Unit-2 along with allied works at LIS Karnaila Chak .

Disconnecting the electric supply of damaged 20 HP motor of unit 2 and decoupling the pump from motor of 05 cusec discharge pump and 20 HP motor set and then dismantling from the base frame with the help of manual labour using tools and tackles required at site. Carriage and shifting pump & motor along with allied equipments by way of shifting on head load to the nearest roadside using manual labour, loading in mechanical transport vehicle, carriage and unloading at 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 required tools and tackles are to be arranged by firm. Repair to pump of unit 2 by dismantling of pump set from 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 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 05 cusec discharge pump at workshop by way of extracting the damaged parts. Repairs to pump shaft by way of turning, threading, finishing and cutting of key ways to required size. Repairs to impeller by way of brazing, remetalling, turning and finishing to required size and profile. P/F of new HC pump gland bushes-01 Nos., bearing (6408) 02 Nos, new check nuts and cotter set to required size. Repair to gland brackets, new gland rings, repair to HC pump body and bearing housings along with new bearing bracket. 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. Providing and fitting of gland packing 08 mm, 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, providing of new coupling pulley set on pump and motor shaft by way of turning to shaft size, key way making and finishing. Finishing 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. Change it electrical system of station for making space to improve its functionality at night by providing suitable providing 6 no. LED bulbs , 1 no. 50 watt flood light and providing new starter for priming unit of 2hp at LIS karnailachak and giving connection by using requisite wire of 2.5 sq mm and thimbling at both ends as per site condition and requirement . Dismantling of the 20 HP motor at workshop for repairs to rotor of motor of unit 2 by providing and fitting of new bearings (DE & NDE) greasing it, making of new sleeves and finishing to bearing sizes, making new keyway and finishing of coupling , providing and fitting of bearing end covers sleeves ,repair to connection plate along with complete greasing of the bearings and then assembling of motor. Complete job includes, cost of material and labour charges with hiring charges of tools and tackles as well as transportation charges, welding set charges at site. Placing the pump and motor of unit 2 on base frame for alignment with the help of manual labour using tools and tackles and fixing new nuts and bolts. 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. Job also includes strengthening of base frame by welding shims to avoid vibration in structure along with strengthening of pipes of unit 2 by welding at site and fixing the leakage of pipes and replacing old worn out nut bolts from the joints to make it leak proof. Repairs to 300 mm dia foot valve of unit 2 by way of dismantling the suction pipe and lifting it by ropes to the head load side and then dismantling the foot valve and taking the foot valves to w/shop for providing and fitting of new machined flapper pins, leather washers, and repair to strainers. Assembling of foot valve and checking operation without load shifting it to site by using mechanical transport and installation at site. Re-assembling of entire foot valve with suction line of unit 2 and checking operation. Complete job include cost of material, carriage, labour charges and testing on full load at LIS karnailachak. Note: -The tenderers are requested to visit the site and quote the rate and rebate as per site conditions. Any modifications/ alterations of the job, absolutely necessary if required at the time of execution may be done as per actual site conditions.

Rebate on Old Parts

Repairs to 10 cusec x 10 meter head Pump unit No.4 and foot valve of unit 2 & 3 at LIS Ismailpur.

Decoupling of 10cusec x 10-meter head pump unit No. 4 by way of shifting to nearest roadside using manual labour, ropes, chain pulley etc, loading in mechanical transport vehicle and then carriage to workshop for repairs. After complete repairs back shifting of pump and motor to site of installation i.e LIS Ismailpur. The job includes labour charges for carriage, shifting , loading and unloading of the decoupled machinery and also hire charges of vehicle to workshop (to & fro).All the tools and tackles are to be arranged by firm at site as well as in the workshop. Repairs to 10 cusec x 10 meter head pump of unit No. 4 at workshop by way of dismantling of top cover of split casing pump, extraction of old and worn out parts /damaged parts i.e. bearings, sleeves, check nut, gland packing, gasket, gland bushes, pump shaft, impeller. Re-building/repair to impeller by way of brazing, filling of pitted vanes and finishing to accurate size. Repair to pump shaft by way of turning& finishing to required size. P/F gland bushes-02Nos., check nuts-02 Nos., bearings -02 Nos. and sleeves – 02Nos.. Repair to coupling pulley set of unit 4 as per sample and according to size of motor and shaft, finishing key ways(both HC pump and motor side) and then providing fitting of new keys and then coupling both pump and motor and checking their alignment. Job includes cost of material, labour charges, installation and testing on full load condition at site. Repairs to 250 mm dia foot valve of unit 2 and 3 by way of dismantling the suction pipe and lifting it by ropes to the head load side and then dismantling the foot valve and taking the foot valves to w/shop for providing and fitting of new machined flapper pins, leather washers, fabrication of new flapper plates and new set of nuts and bolts and repair to strainers. Assembling of foot valves and checking operation without load, shifting it to site by using mechanical transport and installation at site . Re-assembling of entire foot valves with suction line of unit 2 and 3 and checking operation. Complete job include cost of material, carriage, labour charges and testing on full load at LIS Ismailpur. The job also includes topping up of 40 liters of T OIL in 250KVA transformer at LIS ismailpur. Job also includes repair to steel shutter by fixing new roller barrel and lath fixing along with greasing to guide, repair to curtain sheet and painting of the structure at LIS Ismailpur . Gate at Ismailpur LIS (2’6”X 2’.0”) Periodical maintenance and repair of the gate by way of extraction of gate outside the frame using necessary tools and tackles & manual labour after dismantling of winch machine and lubricating the frame, greasing & oiling using standard quality grease after removing the old grease and cleaning with kerosene oil or any other solvent to make it dust free. Fitting of 01 no. bearing , checking the up and down movement of gate The job includes cost of material, hire charges of tools and tackles required for the job including labour charges. Gate of IsmailpurDistributary(4’0”X 2’3’’.) Periodical maintenance and repair of the gate by way of extraction of gate outside the frame using necessary tools and tackles & manual labour after dismantling of winch machine and lubricating the frame, greasing & oiling using standard quality grease after removing the old grease and cleaning with kerosene oil or any other solvent to make it dust free. Repairs to the stem rod by way of extracting it from the winch and straightening in at site using hammer anvil and die, checking the up and down movement of gate The job includes cost of material, hire charges of tools and tackles required for the job including labour charges

Rebate on Old Parts

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