Repair / Replacement of damaged components along with allied Jobs of 1.00 lakh GPH x 75m Head HC pumping unit No. 08 and allied works at CPS Parade

Amount

Repair / Replacement of damaged components along with allied jobs of 1.00 lakh GPH x 75m Head HC pumping unit No. 08 installed at CPS Parade by way dismantling of suction and delivery lines, removal of the pump and motor from the base plate, removal of coupling and loading of pump assembly in carrier with the help of manual labour and carriage of the same to the workshop. Dismantling of pump, taking out damaged bearings, bushes, shaft with the help of puller, tools and tackles. Rebuilding of impeller by way of rebuilding of all worn out portions including its bore hole and key ways by re- metalling in layers with requisite welding electrodes and then machining, grinding, polishing, finishing of impeller to true size and specifications so as to fit on wearing ring with suitable clearance/allowance. The job including balancing of impeller statically and dynamically. Reconditioning of pump shaft at worn out portions by way of rebuilding the worn out, undersize portions by re-metalling with special S.S welding electrodes in layers and then turning, grinding, polishing, finishing to true size and specifications including rebuilding, finishing of key ways to true size. Also removing and checking eccentricity of line shaft with dial gauge at various off sets. Removing deflection / eccentricity by heat treatment or on hydraulic press, removing of deflections on heads/ends and then again checking the alignment of the shaft on lathe machine. Providing and fitting of new fabricated shaft cotter pins. as per sample. Fabrication and fitting of gland sleeves, fabrication and fitting of neck rings. Providing and fitting of new bearings 6311 on the driving end and non driving end side. Fabrication, threading and fitting of chuck nuts. Fabrication and fitting of guide bushes. The job involves assembling of the pump parts and shaft. Providing and fitting new motor bearings as per sample and size. The job further involves carriage / shifting of the pump set from workshop to pumping station.. The Job further includes Repair of foot valve of pumping unit by disconnecting the foot valve mechanism with flaps and rings. etc and then cleaning the foot valve from water bodies accumulated inside, re- conditioning of flanges, arrangement of disc by way of welding etc. and providing and fitting of new pins and bushes for free movement of disc for opening and closing the opening valve and then connecting the strainer after welding and flanges etc. by Providing and fitting of new gasket, bolts, pins, washers and nuts etc. Refitting the foot valve to suction pipe to pump intake completely. Filling of water in suction pipe and then testing on load after checking the leakage of water. Repairing /re-conditioning of sluice valve installed at delivery line of pumping unit by way of dismantling and separating its all components such as spindle rod , spindle nut , gate flap , C.I gland etc. cleaning the parts and assembling of the sluice valve with P/F of packing sheet at the joints and gland packing , replacement of worn out nut, bolts, washers. Job includes disengaging and re-installation of sluice valves on the delivery line with P/F of new nuts, bolts in place of worn out damaged along with jointing and packing stuff and complete leveling, alignment, adjustment with the installed delivery line, then installing the pump set on the base frame, connecting of suction and delivery lines including providing and fitting of rubber gaskets, nuts and bolts, coupling the pump with motor by way of providing and fitting of coupling bolts along with rubber bushes, testing of the pump set on full load. Complete job includes cost of all types of material, carriage and skilled labour charges, taxes, levies etc. Complete Job. Complete Job.

GS ENGG WORKS

BEE AAR ENTERPRISES