NIT No. 13 Item 07

Controlling of sewage flow with the help of gunny bags placed on both side of the bar screen in the chamber including dewatering with the help of pump.

Dewatering of contained/leaking water from inlet chamber and wet sump to bar screen chamber to anoutside suitable place with the help of submersible pump set , as per site requirement, including prime mover arrangement.

Hiring of long boom crane with driver and fuel including cost of service of operating staff, Cost of lubricating Oil, diesel and other consumable items for lifting & lowering bar screen and comb assembly and other work as per site requirement.

Dismantling of complete damaged structure i.e. guide channel, gear box, motor, top roof sprocket, shaft, scraper, rack assembly, dead weight and chain etc. At a height of 15 feet and 30 feet deep in bar screen chamber with the help of chain pulley block, gas cutter and manual labour etc as required.

Proper alignment of guide channel installed on both sides including grunting etc as per required.

Providing / fixing of comb assembly for the bar screen made out with 150 mm dia heavy duty MS pipe & 10 mm thick MS plate for comb i/c providing of bushes on both side of the comb with pin for operating the comb.

Providing / fixing of lock assembly for comb made out with CI bushes, squire bar double roller chain having 1-inch pitch & MS sheet with nuts & bolts etc. as required.

Providing / fixing of SS studs of 25 mm dia with nuts & washer for both sides of the bar screen.

Providing / fixing of CI coupling set including making of bore as per shaft size and key way.

Providing / fixing MS shaft between gear box, coupling &sprocket as per sample.

Repairing & overhauling of gear box including repairing, worm gear, fixing of new bearing, oil seal and providing of gear oil. It also includes varnishing of 5 HP motor and replacement V Belts 4 Nos as per sample.

Repairing of bar screen by replacement of damaged bar in the 30 feet deep sump as per existing size and also replacement of angle iron for strengthening the screen.

Replacement of reversible switch and also providing the cable from the LT panel board.

Providing fixing of flapper for the scraper with nuts & bolts and 4 mm thick MS slope plate for garbage including overhauling the scraper assembly as required.

Repairing of main guide roller including machining fixing of bush as required.

Providing & fixing of MS fabricated chain made out of MS flat bar & EN 8 Roller and also having 3 inch pitch as per sample.

Repairing of existing conveyor belt rollers.

Replacement of control panel for auto operating both the bar screens including of suitable contactor, Amp. Meter, Volt meter, indicating lamp, cable& wiring of the panel as per site requirement.

Painting the angle &bar screen structure with one coat prime and then 2 coats of enamel painting after the completion of work.

Testing & commissioning the complete bar screen after completion of job in all respect including providing all safety equipment during execution of work.

SANJAY SALES CORPORATION

MK ENGG.CO.

ASHMITA ENGINEERS AND TRADERS