NIT No. 31, Item No. 13 (2025-26)

Dismantling of old motor pump sets from foundation by disconnecting electric connection from main power supply, cutting foundation bolts, removing of coupling,damaged sluice Valves, damaged NRV, damaged Taper Pieces on Suction & Delivery side both with the help of gas cutter, specialized labour and manual chain pulley blocketc. as per site requirement.

Closing of suction and delivery line by providing with M.S. blank flange of size 150 mm & 100 mm including rubber sheet and M.S nuts and bolts as per site requirement and direction of engineer-in-charge.

Dismantling of damaged M.S. base frame after cutting of damaged jammed foundation bolts with gas cutter from existing RCC platform with the help of all the mechanical/manual means as per site requirement. Breaking of RCC foundation with pneumatic concrete breaker for taking out the damaged foundation bolts and mild steel bars& taking out the malba from the pumphouse and dispose/stack at a suitable place as directed by engineer-in-charge.

Making of complete new RCC foundation for pumpset. The job includes casting of new RCC foundation, providing of M.S. Jall made of 16 mm bars at bottom &center of RCC foundation. Fixing of new foundation bolts by tiging/Welding of foundation bolts with M.S Jall & filling of R.C.C material in the complete foundation including welding, shuttering and plastering as per requirement.

Making fabrication of M.S. Base frame of size 1.40 x 0.45 m made out of M.S. Channel of size 125 x 65 mm and 75 x 40 mm and to be fixed as per site requirement as directed by engineer-in-charge. The motor & pump shall hold on base M.S. plate of 25 mm thickness, 8mm thick M.S plate for side covering from motor side, angle & flat etc as per the existing one required at site.

Providingof MS Gap Piece of size 150 mm thickness medium class and welding with both side MS Flangeas per site requirement.

Providing of MS Gap Piece of size 100 mm thickness medium class duly and welding with both side MS Flangeas per site requirement.

Providing of foundation bolts with nuts and washer of size 16 mmdia and 450 mm long.

Providing of MS Taper of size: 150 mm x125 mm approx: 30 cm. Heavy class duly welded with both side MS Flange as per site requirement

Providing of Tyre Type automatic Flexible Cushion Coupling TC/J/015 DJB SOR 2025 21.8.16

Making of bore & cutting of Key-way in coupling as per the shaft size of pump & motor i/c providing & fixing of key of both sides of coupling.

Fabrication & fixing of Coupling Guard made out of 50 mm X 6 mm M.S flat, 50 mm X 6 mm M.S angle & 14 SWG M.S sheet duly primer & painted.

Providing of Rubber insulation sheet.

Providing of anti-vibration pads for motor pump. Make: - Everest/Dunlop

Providing of MS nut bolts with washer as per site requirement.

Shifting of new pump set from JE store to pump house and fixing of MS base frame of New Pump Sets on the RCC Foundations & tightening with foundation Nut Bolts, fixing of Electric motorPump set (provided by the department) on the MS Base Frame with proper alignment and tightening the same with the help of tools & tackles, heavy manual labour etc. as per site requirement and direction of engineer-in-charge.

Making of all Electrical Connection byusing Aluminium armoured cablewith required items i.e. thimble,ferrule etc. as per site requirement and direction of engineer-in-charge.

Making suction connection by fixing of sluice valve, gap piece & flange as per site requirement making delivery connection by fixing of sluice valve, NRV, Taper piece & flange with the help of tools and tackles, heavy manual labour as per site requirement and direction of engineer-in-charge.

Arrangement of all safety equipment for the protection of manpower to work smoothly and to make the working area free from accident during working at site as per NHRC guidelines.

Painting the complete as above-mentioned structures with the help of all accessories including supply of paint and primer & painting with 1 coat of primer and 2 coats of enamel paint as per site requirement and direction of engineer in charge.

Testing and commissioning of complete system at no load and full load with all the required functional tests.