Repair to HC pumps along with allied works installed at WSS Chakrabhati stage-0 and stage-2nd.

Repair to 3500GPH X 230m head HC pump installed at WSS Chakrabhati Stage-2. The job includes disconnecting of incoming electric supply, decoupling of pump and motor, unfastening the pump from the base frame, suction and delivery network, shifting/carriage of pump from pumping station to workshop for repairs using tools and tackles, manual labour and mechanical transport. Dismantling the pump and extraction of internal assembly at workshop. Providing, fabrication and fitting of new impeller- 01 No, neck rings- 07 No’s, diffuser bushes-08 No’s, impeller bushes-06 No’s, protection sleeves- 02 No’s, new bearings- 02 No’s 6306 on NDE & DE as per existing sample. The job also includes repairs to impellers–04 No’s; including greasing and gland packing work. Assembling the pump and shifting back to site of installation. Lowering the pump with help of tools and tackles on base frame making alignment and levelling, securing with fasteners including Providing/fitting of new coupling pulley, coupling bolts, nuts and bushes etc. and making electrical connections. Testing the pump on no load and full load at site. Complete job includes cost of material, labour charges to and fro manual carriage charges hire charges of tools and tackles, transportation charges etc.

Repair to 4000 GPH X 280m head HC pump installed at WSS Chakrabhati Stage-0. The job includes disconnecting of incoming electric supply, decoupling of pump and motor, unfastening the pump from the base frame, suction and delivery network, shifting/carriage of pump from pumping station to workshop for repairs using tools and tackles, manual labour and mechanical transport. Dismantling the pump and extraction of internal assembly at workshop. Providing, fabrication and fitting of neck rings-06 No’s,diffuser bushes -10 No’s, impeller bushes-10 No’s, protection sleeves- 02 No’s, New bearing-02 No’s 6306 on NDE & DE as per existing sample.The job also includes repairs to impellers-06 No’s; including greasing and gland packing work. pump Assembling the pump and shifting back to site of installation. Lowering the pump with help of tools and tackles on base frame making alignment and levelling, securing with fasteners including Providing/fitting of new coupling pulley, coupling bolts, nuts and bushes etc. and making electrical connections. Testing the pump on no load and full load at site. Complete job includes cost of material, labour charges to and fro manual carriage charges of tools and tackles, transportation charges etc.

Replacement of valves in place of old worn-out/wear out valves at WSS Chakarabhati. Job includes unfastening the flange bolts of the existing damaged valves from both suction and delivery sides then providing/fitting of 50 mm C.I sluice valve (2 no) in suction line in place of old worn out valves and C.S 50 mm sluice valve (2 no) at stage-0 and Cast steel NRV (02 no.) class 300 with by pass arrangement in place of old worn out valve of delivery sides at stage-1st . The job also includes replacement of worn-out flanges as per existing sample & specification cleaning the surfaces of flanges, installing new gaskets and the new valves are positioned and securely bolted thereof , post fitting testing on full load for any leakages and necessary rectification thereof. Complete job includes cost of material, manual carriage, Charges of tools and tackles, transportation charges etc.