Restoration of 2.5 cusec x 9 mtr head pumping unit-III along with allied works at LIS Bobiya (District Kathua) damaged due to floods.

Restoration of 2.5 cusec x 9 mtr head pumping unit-III along with allied works at LIS Bobiya (District:Kathua) damaged due to floods.

Decoupling of 2.5 cusec discharge pump unit no III from motor and then dismantling the pump and motor from the base frame. Complete dismantling of 12.5H.P motor of unit no-III of Bobiya from installed position then extraction of rotor from stator followed by cleaning of stator and rotor using compressed air, organic solvent, CCL4 etc. to remove the dust particles /silt etc. Extraction of bearings from their housings and cleaning by kerosene oil and removing silt/dirt from bearings. Varnishing the rotor and stator with Dr.Beck compound or equivalent make of varnish in two coats, drying by hot air process. Thereafter checking the IR value using megger meter. Providing &Fitting of new bearings in housings, greasing properly and re-assembling the motor , re-installing the same on their original position at LIS Bobiya. Repairs to 2.5cusec x 09 meter head pump by way of dismantling spiral casing pump of pumping unit no III at workshop by completely draining of old oil from the bearing housing and extraction of all worn out/damaged parts, i.e. pump shaft, impeller, bearings, sleeve, bush, check nut, nuts & bolts, gland plate, gland studs. Providing and fitting of new pump shaft after turning to bearing size and turning of threads on shaft as per the size and pitch of threading on check nut. Repairs to impeller by filing cavities, cracks and finishing to original size. Providing and fitting of two number new bearings to driving and non driving ends , neck ring, shaft protection sleeve, check nut, nuts & bolts, fabrication of new gland plate with providing and fitting of 2 no’s new gland studs. Completely cleaning of bearing housing to remove dust and metal residue. Repairs to bearing housing by metal filling and turning to bearing size. Reassembling all parts of pump with proper greasing. Assembling of pump with motor and connecting with suction and delivery pipes. Providing of new nuts and bolts with rubber gaskets. Providing and fitting of graphite packing. Replacement of coupling pulley by way of fabrication of coupling pulley set as per sample and sizes of pump and motor shaft size. Providing and fitting of new coupling nut-bolt with rubber bushes and cotter. Re-installation of pump in proper alignment with 12.5 HP motor and testing on full load at site. Repair to 200 mm diameter foot-valve of pumping unit no-III by dismantling , 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 150 mm diameter sluice valve of pumping unit no III by way of dismantling at workshop for extraction of worn-out moving internal parts. Replacement of stem rod by providing and fitting new stem rod with square threads as per the size of sluice valve. Providing of new wedge nut with internal threading as per the stem rod. Providing and fitting new CI gland bracket along with gland packing. Reassembling of sluice valve checking operation for smooth movement. Repair to reflex valve (150 mm dia) of unit no. III pumping unit installed at LIS Bobiya by way of dismantling of reflex valve by way of cutting of all the rusted nuts and bolts with the help of gas cutter, strengthening of flap by welding at the damaged portion, making of proper seat for resting the flap. Complete job includes cost of material, labour charges. Repairs to oil immersed starter of 12.5 hp motor pumping unit no- III 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. Providing and filling of starter with 06 litres of fresh transformer oil. The Job includes complete painting of suction line, delivery line and all valves of unit no III, testing charges, carriage / cost of material / higher charges of tools and tackles used and labour charges for skilled and semi skilled labour to be employed at site on mechanical transport and on manual carriage for execution of job including the out stations charges etc. Complete Job Note:- The tenderers are requested to visit the site and quote the rate including rebate on old parts as per site conditions.

Rebate on Old Parts

BEE AAR ENTERPRISES (BID ID -2294284)

GS ENGG WORKS (BID ID -2297313)

M/S RAGHUNATH MECHANICAL AND ELECTRICAL ENGINEERING WORKS