Repairs to 6 cusec x 15 mtr head Horizontal split casing pump unit-III along with allied mechanical and electrical works at Lift irrigation station Jandi Nud.

Repairs to 6 cusec x 15 mtr head Horizontal split casing pump unit-III along with allied mechanical and electrical works at Lift irrigation station Jandi Nud.

Dismantling of 6 Cusec Horizontal Centrifugal Pump coupled with 50 HP motor of unit No-III at LIS Jandi Nud by way of decoupling the motor from the pump shaft by removal of nuts and bolts of pulley set. Dismantling the pump from the base frame ,suction pipe line and delivery pipe line. Shifting the pump and coupling pulley set from LIS to nearest road site by head load and carriage to work shop in mechanical transport for repair. Dismantling and extraction of all worn out/damaged parts i.e. pump shaft, impeller, bearings, sleeves, bush, check nuts, nuts & bolts, gland plate, gland studs. Properly cleaning the internal surface of pump casing. Remetalling /brazing of pump shaft and turning to bearing size and threading at positions of check nuts. Repairs to impeller by filing cavities, cracks and finishing to original size. Providing and fitting 2 no’s of new bearings on driving and non driving end of the pump, 2 no’s neck rings, 2 no’s shaft protection sleeves, 1 no’s check nuts, nuts & bolts, fabrication of 2 no’s new gland plate with providing and fitting of 2 no’s new gland studs on ends of pump. Repair to bearing housing on non driving end of pumping unit by providing and fitting of bush, turning and fitting of bush to make inner diameter of bearing housing suitable for fitment of bearing. Replacement of bearing housing of driving end of the pump with casting and fabrication of bearing housing as per the size of bearing and bolts on the outer size of pump. Turning and finishing as per the size. Reassembling all parts of pump with proper greasing of bearings and providing and fitting of gasket sheet between upper and lower part of the pump. Providing and fitting of graphite packing of suitable size on both ends of pump. Then back carriage of the pump in the pump house after carrying out necessary repair. Re-installation of pump in proper alignment with 50 HP motor. Providing of all the electrical connections. Testing on full load at site. Repair to 50 HP starter of unit no-III at LIS Jandi Nud by way of extracting the damaged worn out parts. Repair to Tripping system by brazing and finishing required size, Providing and fitting of no voltage coil, overload relay, moving and fixed contact point. Replacement of worn out thimbles nuts-bolts and internal leads duly soldered properly. Topping up of ATS with 10 litres transformer oil. Reassembling the same at site. Repair to 250 mm foot-valve of unit no-III by providing and fitting of new flapper plate with hinges, new inter-mediate plate, new set of nut-bolts, leather washers . Re-assembling the same and installation at site and testing. Repair to Non Return valve of unit no. III by way of dismantling reflux valve from delivery side. The job involves extraction of broken flap of reflux valve. Providing and fitting of new flap with locking sheet. Fitment of reflux valve after conducting repairs and testing on full load. The job includes loading, un-loading, manual labour, carriage charges of vehicle (to & fro), tools & tackles, cost of materials, installation& testing charges at site. Complete job. Note: The tenderers are requested to visit the site and quote the rate as per site conditions. Any modifications/alterations of the job felt necessary if required at the time of actual execution may be done as per actual site conditions. The firm should offer rebate on old material.

Rebate on Old Parts

AADISHWAR ELECTRICAL AND MECHANICAL WORKS (BID ID -2341561)

GEETA ENGINEERING MECH WORKS (BID ID -2341567)

GEETA ENGINEERING MECH WORKS