Repairs to 15 HP 3-phase Submersible Motor at WSS Barsoo Shalpora

Amount

Repairs to 3-Phase 15HP Submersible Motor by way of dismantling of the submersible motor at site, shifting to the workshop, repairing, shifting back to site. All the technical manpower, tools and tackles involved in the execution of the job for disassembling and assembling after repairs shall be arranged by the firm. The job is inclusive of transportation charges for shifting the material from site to workshop and back after repairs. At site the motor shall be recoupled with the pump all power connections shall be reconnected with the motor and pump motor assembly shall be lowered back into the sump by refitting each of the column pipes one by one, tightening all the nuts and bolts & inserting the new Rubber Washers/RI cloth in between the flanges where ever required. After complete lowering of the unit by the firm, the unit shall be tested on full load.

Rewinding by using PVC Insulated Cu-wire (Reputed make) of proper gauge and specification in the stator slots of the motor as per actual pitch and turns after extraction /removal of the damaged/burnt out windings from all stator slots by special tools & tackles, skilled manpower and cleaning of slots thereof. The job includes insulation of the windings by proper insulating material, tape, Skilled labour, sleeves, insulated PVC paper, crumpled paper, bamboo sticks, thread etc. Then assembling back of rotor, stator, cover plates, all nuts and bolts of the motor and testing on no load at the workshop. The Old scrap shall be retained by the firm.

Fabrication, providing, inserting & fitting of new bronze/gun metal bushes (02 No’s each) in the lower and upper manifolds of the Submersible motor in place of damaged bushes by way of first extracting the old damaged bushes from the manifolds by means of tools and tackles, making the inner surfaces of the manifolds good by machining on lathe. The job shall include casting, fabrication, machining & finishing of the new bushes, before being fixed into the manifolds. The Old scrap shall be retained by the firm.

Repairs to 4'' Submersible Pump by way of dismantling of the submersible pump at site, shifting to the workshop, and repairing, shifting back to site. All the technical manpower, tools and tackles involved in the execution of the job for disassembling and assembling after repairs shall be arranged by the firm. The job is inclusive of transportation charges for shifting the pump from site to workshop and back after repairs. At site the pump shall be recoupled with the motor all power connections shall be reconnected with the pump and motor assembly shall be lowered back into the sump/Well by refitting each of the column pipes one by one, tightening all the nuts and bolts & inserting the new rubber washers/RI cloth in between the flanges where ever required. After complete lowering of the unit by the firm, the unit shall be tested on full load which also includes replacement of bowl stage bushes for fitment of impellers, cast steel (08 Nos)

M/S KHAN ENGINEERING WORKS