NIT NO.19(M-3)ITEM NO. 23

Closing of suction and delivery valves for pump set No. 2 to carry out works with the help of manual labour.

Decoupling the pump from motor for pump sets by removing of coupling and nut bolts from pump and motor with the help of manual labour, Hammer, Puller etc. and disconnections of cables form motor terminal. Cutting of nut and bolt with use of gas cutter as required.

Taking out the rotating assembly of the pump No. 2 from bottom to floor level with help of EOT crane by dismantling of pump and taking out rotating assembly from the pump.

Supply of good quality nut, bolts with washer of different size.

Supply of 50% Neoprene rubber Sheet 4mm thick Make: Jyoti/National. SOR 22.6.1

Supply of complete Tyre coupling TC/F/023 or equivalent.Make:Unique/Fenner/ Approved by DJBSOR 21.8.24

Supply of spare Tyre TC/G/023 or equivalent. Make: Unique/Fenner/ Approved by DJBSOR 21.8.24

Turning & Boring of the coupling set on Heavy duty lathe machine as per motor & pump shaft size i/c cutting the key way etc as required.

Supply of coupling guard of suitable size made out of M.S. sheet minimum 3mm thick supporting flat iron strip complete with fixing legs arrangement

Strengthening of RCC foundation, plastering and making wet layer of cement for the foundation including Shuttering etc. as required and filling the gap of RCC foundation as per site requirement to increase the strength of foundation by cement concrete work with the help of manual labour to the satisfaction of engineer-in-charge.

Making and supply of GM Sleeve nuts for pump No. 2 DE & NDE as per sample with help of machining work etc.

Making & providing of new Shaft as per sample, Bronze Shaft Sleeve as per sample, CI wear rings, GI Gland plate, bearing plate, bearing housing etc and also replace the bearings of DE and NDE as per sample.

Repairing of bearing housing and balancing of the pump impeller as per site requirement

Re-assembling rotating assembly of pump No. 2 of after fixing of sleeve nut & packing of suitable size for the pump to make the joint leak proof

Fixing of tyre coupling set on the pump & motor with key job i/c proper alignment of pump and motor on the base frame by replacement of nut bolt.

Coupling of Pump and motor after fixing of couplings & making proper alignment of pump and motor on the base frame.

Making electric connection of motor with proper thimbling, taping etc. and making end terminations, routing of cable as per site requirement.

Opening of suction and delivery valves with the help of manual labour, testing and commissioning of pump set No. 2, first at no load and then at full load, to and fro cartage i.e., loading and unloading etc.

TARUN DIXIT