Repairs of Pump set of Unit-I and 50 KVA Voltage Stabilizer along with allied works at LIS Karnaila Chak

Repairs of Pump set of Unit-I and 50 KVA Voltage Stabilizer along with allied works at LIS Karnaila Chak.

Decoupling of 5 Cusec pump set from motor of unit-I, dismantling of both pump and motor from the base frame of unit-I and then carriage and shifting of dismantled 5 cusec discharge installed at LIS Karnaila Chak head load carriage of motor & pump to road side up to loading point and then loading into a vehicle for transportation to workshop for repairs using tripod stand and manual labour. The job includes labour charges, hire charges of vehicle (to & fro) carriage, loading and unloading & all the tools and tackles are to be arranged by firm. Repair to pump of unit 1 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. Replacement of worn out pump shaft of 5 cusec discharge pump of unit-I at workshop providing of new pump shaft by way of turning, threading and finishing to the accurate size as per specification. Making of new slots for feather keys. The job includes repairs of impeller by way of welding, machining of bore, making key ways slot on the impeller and fitting of the same on the pump shaft. Repairs to the pump casing by way of welding and rethreading the damaged studs/bolts holes of pump casing as per the size and specification. P/F of new check nuts, gland bushes, shaft protection sleeves, impeller wearing rings, bearings as per sample and new CI gland plates along with repair to pump body. Complete assembly of the pump set after complete repairs. Repairs to the coupling pulley of unit-I by way of welding, machining of bore and key way on either side of the shaft (pump and motor side). Resizing of the coupling bolt holes by way of welding and drilling to proper size. The job includes replacement of gland packing, oiling and greasing including cost of material and labour charges 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 & bolt Dismantling of damaged 20 HP motor of unit-I, repair to rotor, P/F of new bearings as per sample and sleeves (DE & NDE). P/F of bearing end cover plate-01 no. Complete greasing of the bearings and assembling the rotor and stator. Coupling the pump and motor using new coupling bolts and rubber bushes. Filling of grease mixed with mobile oil in the bearing housing. Fitting of temporary trash rack for unit 1, 2 and 3 by way of providing mesh wire of appropriate size 6 feet x 4 feet along 3 no. units to collect the trash around the 3 foot valves to prevent trash from entering the suction of pump. Repairs to 300 mm dia. foot valve of unit I, II & III 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 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 and checking operation. Complete job include cost of material, carriage, rebate on old parts, labour charges and testing on full load at LIS Karnaila Chak. Complete job.

Disconnecting the 50 KVA Voltage Stabilizer installed at LIS Karnaila Chak from the input and output connections, head load carriage of stabilizer to road side up to loading point and then loading into a vehicle for transportation to workshop for repairs using tripod stand and manual labour. Repairs to 50 KVA voltage stabilizer at workshop by way of dismantling its top cover, extraction of inner frame, removal of burnt out 3 No. coils, damaged rotary switch-01 no., bus bars, nuts & bolts. Rewinding of 3 No. coils, tapping and varnishing by standard quality varnish. Lowering of the coils inside the sump of the stabilizer. Repair of rotary switch, new brass nuts & bolts, Bakelite sheet, copper thimbles, voltmeter-01 no., cleaning of tank with the help of appropriate cleaning agent. Providing and filling of 30 liters T. Oil for topping up the voltage stabilizer & cleaning the T. Oil by way of heating & refilling it in the stabilizer. Refitting of the top cover, Testing the continuity of each phase and securing all the connections. After complete repairs back shifting of 50 KVA voltage stabilizer from workshop to LIS Karnaila Chak. Installation, testing and commissioning of the voltage stabilizer on no load and full load conditions at site. The rates quoted should include rebate on copper scrap. Complete job include cost of material, carriage, labour charges and testing on full load at LIS Karnaila Chak. Complete job.

Rebate on Old Parts

JAGDEMBAY MECH ENGG WORKS

AJAY ELECTRIC AND MECH WORKS

JAGDEMBAY MECH ENGG WORKS

AJAY ELECTRIC AND MECH WORKS