Tender For Through Repairing, Servicing Including Replacement Of Damaged Carbon Brush, Holder And Slip Rings With Other Allied Works Of 415V, 118 Kw, Slip Ring Induction Motor Unit. B At Dlps.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
17 Nov 2026
8 days left
EMD
10000
Bank guarantee accepted
Document Fee
Ref. Documents
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Kolkata → West Bengal
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Through Repairing, Servicing Including Replacement Of Damaged Carbon Brush, Holder And Slip Rings With Other Allied Works Of 415V, 118 Kw, Slip Ring Induction Motor Unit. B At Dlps.
BOQ
| Sl. No. | Item Description |
| 1 | TOTAL |
| 2 | Taking out the L.T. slip ring Induction Motor after disconnections of supply terminal connections including earthing terminal connection, from coupling end of 30 cusec vertical axial flow propeller pump after dismantling the same from the motor stool. Seperation of bush/ roller bearings from both the DE and NDE displacement of motor from sole plate, seperation or rotor from stator after necessary measurment and demarcation and placing The motor is to be kept on wooden sleeper at a suitable distance from the floor with out damaging the earthing strips and cables etc. as per direction of E.I.C. Properly cleaning of dust and dirt by compressed air and brush from winding of stator & rotor and subsequint heating and cleaning by CTC detergent of rotor. Other components should be thoroughly cleaned and checked. |
| 3 | Preliminary checking of the whole motor (LT sq. cage IM) and testing of I.R. value, load currents, leakage factor of stator & rotor, terminal lead joints of stator connection ends, insulation of glass fibre terminal bar, double cage rotor end rings and all of motor bars and bar joints, slip rings, housing of D.E. & NDE shield bearing housing etc. before work to detect fault.... |
| 4 | Taking out carefully the slip ring set of the induction motor by removing the connection from the ORS unit and dismantling the top cover and bearing. |
| 5 | Entire core & winding assembly to be cleaned washed & dressed by proper way using CTC detergent. A light coat varnish to be applied on the rotor core after complete dressing and proper baking. & Thorough cleaning the panel including bus-bar and other accessories by the petrol / CTC etc, in usual method and tightning all nuts & bolts , re-insulation the bus-bar in proper way and as per direction of EIC. Entire rotor core & winding assembly to be baked and varnished by using Dr. Beck's makes varnish. Thereafter, final coating of varnish to be applied for anti-coated moisture protecting tropical paint (Dr. Beck's paint). |
| 6 | Replacing and jointing of new 1.1 KV grade 70 sq.mm. fibre glass copper wire terminals leads by 100% solder (Eyre) compounded with Eyre-7 paste, (6 leads). |
| 7 | S & F of 395 mm. × 25 mm. × 25 mm. glass fibre bar for L.T. Induction motor terminal with Class-H insulations (Each motor consists of 2 nos. of bars). |
| 8 | Finishing the end of terminal leads by S&F dowells copper sockets properly supplying tapes, petrollium jelly etc. 6 nos. and Cost of mechanical work viz. shaft truness, checking key way looping of holes grinding and polishing etc. |
| 9 | Trueness and ecccentricity checking of the Rotor assembly and dynamic balance of the complete assembly at rated speed by adding or removing the unbalanced mass at a reputed work shop & complete in all respect with proper care & causion as per direction of EIC. |
| 10 | Conducting statutory testing of the slip-ring such as resistance measurement, induction measurement as per relevant IS code of LT motor and complete in all respect with proper care & caution. |
| 11 | Complete dismantling the slip-ring unit including carbon holder, carbon, slip-ring holder attachment as per direction of E-I-C. Supply of carbon brush holder for 415 V slipring induction motor. (set) |
| 12 | Supply , fitting & fixing of carbon brush with pig tail (grade M16E) as per required size & shape of existing for the 415 V rated motor and complete in all respect as per direction of EIC. |
| 13 | Damaged slipring & 2 nos slipring leads including 2 nos studs are to be replaced with new ones and insulated properly. Finishing the end of 2 nos flexible copper cable(50 sqmm) by crimping method including supply & fixing dowels solder less copper sockets, tapes, jointing materials (1 SET) |
| 14 | DRIVING END HOUSING: Under cut of damaged DE side bearing housing portion, metal deposition on die under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing outer. Work should be completed in all respects up to the satisfaction of E.I.C...... (Rate as per I & W SCH-2022, ITEM NO. 5.3J.8 PG. 125) |
| 15 | NON DRIVING END SHAFT JOURNAL: Under cut of damaged DDE side hearing journal portion, metal deposition on the under cut surface, machining, turning & polishing with proper tolerance according to the size of bearing bore. Work shoul d be completed in all respects up to the satisfaction of E.1.C ..... (Rate as per I & W SCH-2022, ITEM NO. 5.3J.11 PG. 125) |
| 16 | Painting with best quality epoxy primer & epoxy enamel paint (two coat ) of approved make and brand after necessary scapping cleaning etc. including smoothening surface by sand papering etc… |
| 17 | To & from transportation of motor from work site to the repairer / servicer work shop and vice-versa including loading and unloading with proper care & as per direction of EIC. |
| 18 | Assembling the 415 V rated Motor and placing the assembled motor on the sole plate, tightening the foundation bolts, fixing the dowells pins & allignment of the Rotor shaft with the pump, bearing matching of the motor of both DE & NDE etc & connection of LT cables with motor terminals, connection of space heater with LT supply, earthing terminals etc complete as per directionm of EIC |
| 19 | Following test to be carried out of motor by the party in presence of EIC i) Resistance test ii) Inductance test ii) Polaraty test iii) I.;R. test & iv) H.V. test. Commissioning the 415 rated Motor and do needful for observation of the one day trail run to achieve the satisfactory operation of the Motor with load & complete in all respect with proper care & caution as per direction of EIC. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 03, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 17, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 8 daysNov 19, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 10 daysTender Documents
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