NIT.NO.25,ITEM NO.7

Making and supply of 80 mm Dia M.S. Flange.

Making and supply of 80 mm Dia M.S. Bends of suitable size as per site requirement

S/O Nut Bolt with washer of suitable size good quality

S/O 50% Neoprene sheet for packing Make : - Jyoti /National /Approved by DJB

S/o of M.S. gate valve of 80 mm dia screwed female threaded class-1 Make Sant / Leader/ISI/DJb approved make

Laying of dewatering line with the help of welding work by cutting of 80 mm dia. M.S. pipe as per site requirement (M.S pipe will be provided by the department). The Job also includes welding of M.S. Flange with the M.S. pipe, gas cutting arrangement by providing of suitable specials, nipples etc. as require for site and after completion of welding work. The Job also includes fixing of dewatering line with the help of manual labor by taking all safety guidelines as per instruction of Engineer in Charge.

Cleaning the surface of UGR Covers and pipes, valves etc. with wire brush and emery paper and painting the complete installation with two or more coats of synthetic enamel paint and coat of steel primer.

Closing of suction and delivery valves for pump set No.6 to carry out the works with the help of manual labour and tool & tackles

Decoupling the pump from motor for pump set No.6, 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.

Taking out the rotating assembly of the pump No.6 from bottom to floor level by HOT crane by dismantling of pump and taken out rotating assembly from the pump after closing the suction and delivery valve to leak proof the system.

Repairing of check nut for the pump DE & NDE as per sample with help of machining work ,grinding etc.

Strengthening of RCC foundation, plastering and making wet layer of cement for the foundation i/c. 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 manual labour as per stratification of engineer-in-charge.

Replacement of old coupling nut and bolt with bush for pump set No.6 as per sample having good quality

After fixing of coupling nut and bolt etc. making re-alignment of pump set No.6 etc as required.

Supply of Graphite packing for pump set

After re-assembling of pump, opening of suction and delivery valves for pump set No.6 for its proper operation as per the satisfaction of engineer in charge.

Testing and commissioning of d-watering line & pump setNo.6, opening of all valves on full load, to and fro cartage i.e. loading and unloading etc.

Cantilever Engineers