Replacement of worn out parts of electromechanical machinery of unit I and III along with allied works at LIS Karnaila Chak.

Amount

Decoupling of 5 Cusec pump set from motor of unit-I and III , dismantling of both pump and motor from the base frame of unit-I and dismantling of pump from the base frame of unit-III and then Carriage and shifting of dismantled 5 cusec discharge pump and 20 HP motor of unit-I and 5 cusec discharge pump of unit-III by way of head load to the nearest roadside i.e approx. 350 meter using manual labour, loading in mechanical transport vehicle, carriage to workshop for repairs. After complete repairs back shifting of 2 no. pumps and a motor set to site of installation, i.e. LIS Karnaila Chak. Installation of the repaired pumps and motor on base frame with proper alignment and testing on full load. 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. Complete job

Replacement of worn out pump shaft of 5 cusec discharge pump of unit no: I &III at workshop by providing of new pump shaft by way of turning, threading and finishing to the accurate size as per specification of old broken shaft. 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. Complete assembly of the pumpset after complete repairs. The job includes replacement of gland packing, oiling and greasing including cost of material and labour charges.

Dismantling of the damaged 20 HP motor at workshop for extraction of burnt/damaged windings, cleaning of stator slots and complete rewinding rewinding of the motor with new copper wires of requisite gauge and specifications, standard make. Providing and fitting of new insulation, packing material, then varnishing with superior quality varnish and drying in oven in controlled temperature. Complete job including cost of material and labour charges with hiring charges of tools and tackles.

Repairs to rotor of motor of unit 1 by providing and fitting of new bearings (DE & NDE) after rebuilding, turning of the rotor shaft and finishing to bearing sizes, making new keyway of coupling, providing and fitting of bearing end cover plates. Complete greasing of the bearings. Repairs to the cooling fan and side strainers. Replacement of worn out coupling pulley of unit-III with new coupling pulley along with new nuts, bolts and bushes etc. as required and boring to exact size. Job also includes 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. Complete job including cost of material and labour charges. p/f of new nuts, bolts and bushes etc. as required and boring to exact size.

Dismantling the 25 HP oil immersed star delta starter from installed position of pumping unit no. I and III after disconnecting all electrical connections from input and output side. Repair to starters by way of extracting out the damaged copper contact points both moving and fixed, thimbles, no volt coil, tripping system , overload relay, Bakelite rod and replacing the same with new ones , minor repairs to handle mechanism . Providing/filling of 5 litres transformer oil for topping of starter after demoisturing the existing oil, reinstallation, commissioning and testing on full load and no load. The job includes cost of material, labour charges, installation and testing charges at site.

Rebate on account of old parts

JAGDEMBAY MECH ENGG WORKS

BEE AAR ENTERPRISES