Round the clock operation and maintenance of Ash Water Recirculation System AWRS situated near Chakari ash dam Obra

Amount

PART A

Round the clock operation & maintenance of entire AWRS plant alongwith sump well pumps at ‘B’ Point including Operation of valve as per direction of Engineer in charge, including Sunday and holiday.

Daily Sweeping and cleaning of the AWRS Plant and Sump Well ’B’ point pump house which includes entire areas such as pump house, wall of pump house, roads alongwith removal of dust and web as per direction of Engineer in charge.

PART B

Complete Overhauling/ servicing of 132 KW AWRS pump (Make Mather+Platt.) including greasing the parts bearing etc. and repairing changing the defective part if required and repairing of bearing housing/shaft by welding, turning etc. changing the gland packing nut, bolts.

Complete Overhauling/ servicing of 30KW pump including greasing the parts bearing etc. and repairing changing the defective part if required and repairing of bearing housing/shaft by welding, turning etc. changing the gland packing nut, bolts including cost of all material.

Servicing/Replacement of Gate valve 6”/10”/12”/14”/16”.

Servicing/Replacement of NRV size 6”/10”/12”/14”/16”.

Servicing of chain pulley block.

Replacement of pipe, bends size 10”/12”/14”/16”.

To provide half stiffener on AWRS pipe line.

Removal of ash/soil around disposal pipe line which are completely buried (1000M x 02M x 01M) if required for maintenance work of ash pipe line.

Cleaning of choked manholes, septic tank by removing of RCC/MS cover and replacement of the same after completion of the cleaning work, disposal of the undesired material outside the plant boundary including the cost of all labour T&P, material etc.

Chocking man hole.

Septic Tank upto bottom.

Cleaning of chocked w.c. seat and disposal of undesired material outside the plant boundary including the cost of all labour material T&P etc. required for proper completion of work.

Overhauling/servicing of the 400mm valves after opening including greasing and changing the M.S. Spindle with C.I. nut & Bolts. Neoprene rubber packing etc, including cost of all material, labour, T&P etc. complete for the proper completion of the work.

Repairing the leakage of 400mm dia MS pipe line by welding etc. including draining the pipe, earth excavation and refilling the same including all material, labour, T&P etc. required for proper completion of work.

Cleaning of toilets (WC Pan & Wash basin located at AWRS which includes cleaning of sanitary, water supply installation dust cobwebs from the walls and ceiling, sanitary and water supply installation shall be cleaned with suitable cleaning materials.

Maintenance of any water supply/sanitary problem alonghwith repair of gate valve and discharge pipe of FRP tank for PAC storage at AWRS with all T&P. (consumable shall be issued by department free of cost)

Earth/Ash work in excavation by mechanical means (Hydraulic excavator)/manual means from sump well/manhole or drains from 6 meter to 8 meter depth including getting out the excavated soil/ash and disposal of surplus excavated soil as directed, within a lead of 50m.

Fabrication of bend 22 ½0, 450 to 900 in round curved shape for smooth flow of ash water from 14”/16” ERW M.S. pipe for AWRS pipe line. Erection & commissioning by coupling or welding the same in the AWRS pipe lines

Servicing/Replacement of Air vent valve of size 3”

Generator charges beyond power house boundary on job (welding work or part of thereof).

Cleaning of choked ERW MS 16” AWRS pipe line near AWRS pump house ‘B’ to main AWRS pump house, at chakari village.

Dismantling/Erection/Commissioning of 16” ERW MS old/new Ash water pipe line by cutting, welding/coupling from AWRS pump house to Ash handling plant BTPS.

Cutting of grass and bushes lying around AWRS Pipe lines of 5x200 MW units.

M/S JAHANGIR ENTERPRISES