NIT No-15 EE (SDW) II/ (22-23) Item No. 03

Dismantling the electric motor, Primary reduction Gear Box, main gear box by cutting of Nut-Bolts and Fasteners and shifting these to a safe workable place with the help of tools and tackles.

Dismantling the both arms structures with the help of gas cutter/ man power and taking these out with the help of lowering & lifting, tools & tackles.

Renovation of primary reduction gear Drive system with replacement of set of sprockets, fabricated as per sample in terms of shape, size, MOC and machining. Providing Drive chain as per sample i/c Servicing and overhauling of primary and secondary gear boxes by stripping and reassembling after replacing of oil seal and gear oil etc.

Repairing of rotary shaft, set of bearing, pins to adjustment with bar screen.

Renovation and strengthening of both rotating arms structures by replacing the worn out angle iron, MS comb, and MS sheet after cutting the damaged portion with the help of tools, tackles, manual labour.

Fabrication of screen on the channel having size (2 feet X 4 feet) by replacing bar strip by new strip as per size and suitable by welding, gas cutting etc as required.

Fabrication of bar screen of size (2 feet X 8 feet) by new strip as per size and suitable by welding, gas cutting etc as required.

Fabrication of MS cover made put from MS sheet of 2mm thickness for gear boxes, chain, sprocket, motor etc as per size by welding, gas cutting etc as required.

Fabrication of MS basket/crate having size (5 feet X 5 feet) made out from MS sheet of 2mm for collection of waste/debris from the bar as per size by welding, gas cutting etc as required.

Assembling and fitting the complete system, making proper alignment and balancing etc. as required at site including cost of nut bolts, washer and packing etc.

Supply and fixing of MS safety railing fabricated with MS B class pipe (32 mm) having length 90 meters approx which will be fixed on the channel.

Fabrication of M.S. jall on the channel having size (6 feet X 3 feet). The jall frame should be made from 50x50x6 mm. MS angle. And filled with 16mm M.S. Square bar at a distance of 50 mm. This work includes cutting, welding grinding, finishing etc. as required with transportation loading unloading at site with the help of tools, tackles with heavy / manual labour.

Fabrication of M.S. jall over the channel of Bar screen of size (8 feet X 3 feet).The jall frame should be made from 50x50x6 mm. MS angle. And filled with 16mm M.S. Square bar at a distance of 50 mm. This work includes cutting, welding grinding, finishing etc. as required with transportation loading unloading at site with the help of tools, tackles with heavy / manual labour.

Making temporary plate form as safety measures for fixing the MS railing at the height of 20 foot approx. with all safety arrangement as per site requirement.

Painting the complete structure with the help of primer red oxide of new structure and black, golden yellow, phirozi enamel paint as required.

Testing and commissioning charges.

Aqua Mech Systems