Repairs and Maintenance of Infrastructure Assets in NDMC during 2025-26. SH. Rewinding of motors and replacing of bearings of different capecity induction/monoblock motors under the jurisdiction of Jor Bagh service center.

Rewinding of squirrel-cage horizontal electric induction motor operated on 3 phase , 400/440 volts , 50 cycles AC supply at 1450 RPM including providing copper wire of the required size ( Burnt copper would not be returned to the NDMC) including dismantling and refixing the repaired induction motor on the same base-plate , making proper alignment with the centrifugal pump , refixing tyre type flexible coupling ,providing and fixing new connection plate, providing broken nuts & bolts (if any) including cartage from the site to the workshop & back to site , testing , commissioning etc complete as per the direction and entire satisfactyion of Engineer-in-Charge. a) 100 Hp

Providing ,fixing,replacing SKF /NBC make roller bearing/ ball bearing , including greasing, cartage labour, testing etc. complete as per under details. A) Roller bearing bearing No. NU 316

b) Roller bearing bearing No. NU 317

c) Ball bearing No. 6317

d) Ball bearing No. 6316

e) Ball bearing No. 6313

f) Ball bearing No. 6312

g) Ball Bearing No. 6310

h) Ball Bearing No. 6309

i) Ball Bearing No. 630

j) Ball Bearing No. 6306

Repairing and rewinding of 1.5/3/5 HP dewatering pumpset of three phase, 415 volts of different delivery sizes with rpm pf 2900, 50 hz frequency with replacement of damaged parts i.e. impeller,bearing, shaft, oil sheel etc. including dismantling and refixing the repaired pump providing broken nuts & bolts (if any) including cartage from the site to the workshop & back to site, testing, commissioning etc. complete as per the direction and entire satisfactyion of Engineer-in-Charge.

Deduct -Credit for Dismantle items: 1. Ball Bearing

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