Rewinding and repairing of Motors at various site in DNH area for the year 2025-2026 (5th call)

REPAIRING OF MONO BLOCK PUMP MOTORS Removing the pump set from foundation after removing suction & discharge connection pipes & all wiring connections taking it to workshop & open it for fault finding , refitting the same, after carrying out repairing, taking back on site refitting on foundation with pipe & wiring connections & put in working condition. (Excludes cost of repairing. Includes to & from transportation) (A)10 Hp to 20 HP

Removing deteriorated gasket, gland packing, washer nuts & bolts before refitting of motor pump set. 10 Hp to 20 HP

Rewinding of 10 H.P., 3 phase 440V motor as per original winding design by using super enamelled copper Wire and putting the same in working condition as per original.

Rewinding of 15 H.P., 3 phase 440V motor as per original winding design by using super enamelled copper Wire and putting the same in working condition as per original.

Rewinding of 20 H.P., 3 phase 440V motor as per original winding design by using super enamelled copper Wire and putting the same in working condition as per original.

Replacing burnout unserviceable ball bearing /roller bearing suitable for following motors for mono block pump sets For 10/12.5 H.P. motor/pump

For 15 H.P. motor/pump

For 20 H.P. motor/pump

REPAIRING OF SUBMERSIBLE PUMP SETS Opening the submersible pump set for fault finding , carry out required repairs refitting the same with necessary oiling, greasing & overhauling & making pump set in good working condition. (Excludes cost of repairing. Includes to & from transportation) (A) 1 to 5 HP

(B) 7.5 to 15HP

(C) 20HP to 35 HP

Rewinding of submersible motor by using approved make PVC insulated copper winding Cores of suitable size complete with connection. Capacity Suitable for pump of following size. Dismantled Materials to be retained by agency. (A) 5 HP

(C) 10 to 15 H.P

(D) 16 to 20 H.P

(E) 21 to 25 H.P

(F) 26 to to 35 H.P

Replacement of bronze/ carbon thrust bearing with fibre plate & housing for (A) 150 mm. dia.

Replacement of motor bush, upper/ lower with sleeve with following material (A) Bronze (i)150 mm. dia.

(B)Rubber (i) 150 mm. dia.

Replacement of stage casing bowl with nuts and bolts. (A)C.I. (i)150 mm. dia.

(B)Bronze (i) 150 mm. dia.

Replacement of Bronze impeller with neck ring. (i) 150 mm. dia.

Replacement of Shaft sleeve stainless steel. (i) 150 mm. dia.

Replacement of Bowl bearing/ bush (A) Rubber (i)150 mm. dia.

(B) Lead (i) 150 mm. dia.

Replacement of S.S.Shaft for (A) 3 stage pump (i)150 mm. dia.

(B) Add per stage (i) 150 mm. dia.

Replacement of suction strainer (i)150 mm. dia.

REPAIRING OF HORIZONTAL MONO PUMP SETS Rewinding 3 phase, 440V motor for open well horizontal mono pump set by using poly. cap copper winding wire & putting the same in working order for pump capacity of (A) 7.5 HP - 440V

Replacement of S.S. sleeves for shaft of open well horizontal submersible pump sets for (A) 7.5 to 15HP

(B) Above 15HP

Replacement of Stainless Steel bushing fitted in end shield for open well horizontal submersible pump set (A) 7.5Hp to 15 HP

(B) above 15 HP

Replacement of Gun metal /Bronze bushing for open well horizontal submersible pump set (A) 7.5Hp to 15 HP

(B) above 15 HP

Replacing gasket, oil, nuts, bolts & washers for open well horizontal submersible pump sets. (A) 7.5Hp to 15 HP

(B) above 15 HP

Replacement of Bronze / Carbon thrust bearing with fibber plate & bushing suitable for open well horizontal submersible pump set for (A) 7.5Hp to 15 HP

(B) above 15 HP

Replacement of cast iron impeller for openwell horizontal submersible pump pump sets (A) 7.5Hp to 15 HP

(B) above 15 HP

Replacement of Bronze / Gunmetal impeller for open well horizontal submersible pump set (A) 7.5Hp to 15 HP

(B) above 15 HP