NIT NO. 04 (2022-2023) EE(SDW)VI / Item No.3

Opening of checkage to the delivery line of 10 MGD Capacity Pump Set No-5 at Sayyad Nangloi sewage pumping station under the EE(SDW)VI division, the job including the following work. Arrangement of all required safety equipments (i.e safety belts, folding ladders, safety helmets, safety shoes etc.) for safety of man power during execution of work at site as per NHRC guidelines. The work is to be carried out in approx 10-meter-deep chamber.

Closing of suction valve of the pump set with the help of manual labour to avoid flooding in the dry sump.

Disconnection of electrical cable from the motor and de couple the same from the pump. Lifting of motor from the foundation with the help of EOT crane and shifting it at the safe locations in the dry sump.

Closing of header valves to isolate the header line from rising main and dismantling of the pump set after removing of nuts and bolts of the suction and delivery side of the pump.

Removing of sluice valve and NRV on the delivery side of the pump set after removing of nuts and bolts fitted with help of manual labour and EOT crane.

Cleaning of silt accumulated inside the delivery line of the pump set with the help of tools and tackles and manual labour. The job also included lifting the silt from the dry sump which is approximate 25 feet deep and dump the same in the low land area inside the campus of the SPS.

Re-fixing of NRV and Sluice Valve after cleaning of silt with the help of EOT crane and manual labour.

Re- fixing of pump set on the foundation and fixing the MS nut bolt on both sides of the pump including packing.

Fixing of the motor on the foundation with the help of EOT crane and manual labour duly coupled with the pump sets with the help of coupling bolts along with proper alignment.

Opening of header valve with the help of manual labour including testing and commissioning of the pump sets on load for satisfactory performance of the pump set.

AMANDEEP ENTERPRISES

ASHA ENTERPRISES