Dr.NTTPS Cleaning of under water coarse screens at Hot Water Pump house and nozzles at cooling towers, Lowering the stop log gates under water for dewatering the C.W.Pump Chambers/Travelling Water Screens of Stage-II III C.W.Pump Houses of during the year 2026-27 for the period from 01.10.2026 to 31.03.2027.

Cleaning of Coarse screens and removing of floating materials in Hot Water Pump House including cost and conveyance of all materials, Labour charges, Diving charges and disposing of debris . Including cost and conveyance of all materials. Labour charges, safety eminities hire charges af all tools and tackles etc.,complete for finished item of work as directed by Engineer - in -charge (Cleaning of each screen by engaging 2 Nos skilled divers 2 Nos skilled helpers and 2Nos Mazdoor for one Job)

Cleaning of Trash racks at mouth entry / intake of Hot water pump house and removing of floating materials infront of trash racks including cost and conveyance of all materials, Labour charges, and disposing of debris . Including cost and conveyance of all materials. Labour charges, safety eminities hire charges of all tools and tackles etc.,complete for finished item of work as directed by Engineer - in -charge. (1 Job includes by engaging 4 Nos helpers/Semi skilled and 2Nos Mazdoor for one Job)

Removal of silt / slush / Earth etc., from the basins of the cooling towers sump (EL+25.65m) in wet and slushy condition and disposing to near by dumping area with 1 Km lead including all labour charges all leads and lifts hire charges of all tools and tackles conveyance etc., complete for finished item of work for finished item of work as directed by Engineer - in -charge.

Providing labour for cleaning the Hot water distribution pipes, Nozzles at higher elevations (Approximately at 13Mtrs) inside the cooling towers by opening the end caps, nozzles, flushing with water and re-fixing the end caps, nozzles after removing the natchu, floating debris etc., once in six months in 3 cooling towers including all tools and tackles all safety belts, ropes helmets etc., complete for finished item of work as directed by Engineer in Charge.

Clearing and removal of sand, mud and other debris from the stop log gate seating position in the chambers of C.W. Pumps, lowering the stop log gate pieces into the stop log groove, checking the gate for all leakages, lowering, installing, operation and maintenance of dewatering pumps, de-watering the chamber in all shifts, lifting and removing the gates after completion of repairs to Traveling Water Screens, stacking them as per instructions of Engineer-in-charge etc., . Caulking the gates with cotton waste for arresting the leakages, connection of power supply cables to motors, including hire charges of all ropes, hose pipes and all other tools and tackles required for dewatering purpose should be borne by the Contractor only complete for finished item of work as directed by Engineer in Charge.. (But dewatering pumps will be supplied by the Department at free of cost).

Removal of silt / slush and ash accumulated in the pump chambers of C.W. Pump House of Stage- III by engaging swimmers including collection of above silt / slush and ash at (+) 8.00 m EL with the help of buckets / iron pans (Gamalas) and carrying the same to the dump area at + 23.50 m EL including all labour charges, all leads and lifts, hire charges of all tools and tackles required for carrying out the above work, complete for finished item of work as directed by Engineer in Charge.

Engaging under water diver (Skilled) Swimmers (Semi Skilled) and helpers for cleaning operations like collection and removing of floating materials and disposing the debris at Stage-II Intake Structure round the clock in all shifts. The work includes under water diving operations, cleaning of trash racks and collection of floating materials in the water surface and loading on punt and dumpinginto debris collection point including hire charges of all protectionarrangements like safety belts, ropes etc., complete for finished item of work as directed by Engineer in Charge. (By engaging 2Nos under water diver (Skilled) ,2 Nos. semi skilled / swimmers and 2 Nos helpers (Unskilled) in each job).

Engaging highly skilled under water divers and helpers for cleaning operations like collection and removing of floating materials, lifting of chocked/clogged material to the travelling water screen, wire brushing, cleaning with compressed air and disposing the collected debris round the clock in all 3shifts (4 Nos under water divers+ 2 Nos Helpers, in each shift), the rate including all labour charges,required T&P like diving mask , safety amenities and insurance etc complete for finished item of work as directed by Engineer in Charge.

Laying Sand Bags in the stipulated places including cost of empty cement bag, sand, thread, stiching charges and labour charges, tools and tackles required, for carrying out sill plate replacement during dewatering including engaging additional labour for dewatering manually to the requirement of CAM wing complete for finished item of work as directed by Engineer in Charge.

Hire charges for dewatering the CW Pump Chamber by using 5hp sludge pump including starter and necessary inlet and outlet arrangements,crew charges etc., complete for finished item of work as directed by the Engineer in charge.

Engaging additional labour for an extended period of dewatering operations due to non-completion of Traveling Water Screens repairs, including round-the-clock deployment in all three shifts. The rate shall be inclusive of all labour charges, required tools and plants (T&P), safety equipment and amenities, insurance, and all incidental expenses, complete for finished item of work as directed by Engineer in Charge.

The Contractor/Firm has to quote their acceptable % excess/less on the total amount mentioned aboveamount for the subject work.

The statutory appliances of EPF, ESI shall be reimbursed subject to production of proof of acquittance and limited to the Rates & Rules applicable from time to time. extra as GST will be paid as per the Rates & Rules applicable from time to time.

For executing the work, the firm shall have under water diving experience and shall produce the certificate of underwater diving experience if required for Engineer in charge at the time of work.

If any deviation in quoting the tender by the tenderer, will be liable for rejection.