NIT NO. 25 ITEM NO. 18

Replacement of Couplings with allied works of pump set No. 1 & 7 Installed at MU Block Pitampura BPS by carrying out following works: Closing of suction and delivery valves for pump sets to carry out works with the help of manual labour.

Decoupling the pump from motor for pump sets by removing of coupling nut bolt from pump and motor by making all required arrangement and disconnections of cables form motor terminal. Cutting of nut and bolt with use of gas cutter as required.

Dismantling of pump after cutting old worn out nut bolts by gas cutter, removing of upper dome of the pump, taking out the rotating assembly after decoupling from motor, shifting to ground level.

Removing the existing coupling set from the pump and motor with the help of manual labour, Hammer, Puller etc.

Supply of complete Tyre coupling TC/F/023 or equivalent Make: Unique/Fenner / Samrat/ Approved by DJB

Supply of spare Tyre TC/G/023 or equivalent Make; Unique/Fenner/ Samrat/ Approved by DJB

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 3mm thick supporting flat iron strip complete with fixing legs arrangement

Supply of Multy Grade Grease Make: - Castrol / Shell / Gulf / IOC / HP Servo. (2 KG Pack)

Supply of Graphite packing as per sample.

Making and supply of check nut for the pump DE & NDE as per sample with help of machining work etc. for pump set No. 1

Remettaling & machining the worn out portion of shaft, sleeve, neck ring etc. and machining, turning, welding the shaft as per site requirement for pump set No. 1

Reinstallation of the rotating assembly in the pump body, fixing the coupling with key job, tightening the complete body of pump, providing and fixing rubber packing sheet, bearings etc. as per site requirement.

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

Providing & fixing of cable connections plate and remaking of all the cable connections with proper thimbling, taping, cable routing etc. as per site requirement.

Opening of suction and delivery valves with the help of manual labour, making all necessary electric connections, testing and commissioning of pump sets, first at no load and then at full load,

To and fro cartage i.e. loading and unloading of all required tool and tackles and labour etc.

Goodwill Enterprises

Aqua Mech Systems

arun engineers and contractors

SONI SALES and SERVICE

paramount systems

AAR AAR Traders & Engineers

P.K. Electricals