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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹5.9 LAccepted-AOC SALEM | SALEM | ₹5.9 L Quoted ₹4.2 L | L1 | Accepted-AOC L1 |
| 2 | L2₹9.3 LRejected-AOC 150 VILLARASAMPATTI NAAL ROAD NASIYANUR ROAD VILLARASAMPATTI POST ERODE 638 107 | ERODE | TAMIL NADU | 638107 | ₹9.3 L | L2 | Rejected-AOC L2 |
| Sl No | Description | Qty | Unit | Delta Roto Tech Private LimitedV L1 | Coral rewinding India Private Limited L2 |
|---|---|---|---|---|---|
| 1.00 | STATOR REWINDING (6.6 KV): Charges towards dismantling the motor, threading out the rotor from the stator core pack, stripping out of all 54 coils, cleaning the slots, conducting hot spot tests to find out the core damages, removing the stator core pack from the stator yoke by hydraulic press, rewinding the stator using new VPI Green coils inserting the windings into the slots, banding the overhang portions in the surge ring, leading out the end connection, fixing 6 Nos. RTDs, preheating, Global Vacuum Pressure Impregnating the winding with core pack in vacuum chamber using suitable poly epoxy resin, baking, testing, refixing the core pack into the stator yoke in hydraulic press, providing flexible silicon cables, applying finishing varnish, replacement of DE & NDE bearings and assembling, no load trial run and measuring all no load parameters and painting the motor with 2 coats of DA.Grey paint. (New bearings will be supplied by TNPGCL) | 1 | Nos | 30,000 ₹30,000 Lowest | 1,20,000 ₹1,20,000 |
| 2.00 | STATOR CORE RESTACKING:- (IF NECESSARY)Charges for removing the stator core pack from the stator body, complete dismantling the stator core stampings, removing the old burnt core plate varnishes by chemical treatment, cleaning, removing the surface kinks, revarnishing with core plate varnish, restacking the stampings, locking and repositioning the core pack into the stator body by hydraulic press and conducting the flux loop test to ascertain the restacked core healthiness, and conducting hot spot test. | 1 | No | 20,000 ₹20,000 Lowest | 95,000 ₹95,000 |
| 3.00 | FABRICATION OF NEW COILS: Charges for Fabrication and supply of new stator coils using new class `F’ enamelled polymica covered electrolytic grade rectangular copper conductors pre-staggering with thermopreg, insulating the slot portions using samicapor insulating materials, applying corona protection tapes and stress grading tapes and conducting required tests. (Retrieved coils shall be retained by the contractor) | 54 | Nos Coils | 7,417.45 ₹4,00,542.3 Lowest | 14,025 ₹7,57,350 |
| 4.00 | DYNAMIC BALANCING: Charges towards dynamic balancing the rotor at grade G2.5 at rated RPM | 1 | Nos | 20,000 ₹20,000 | 18,000 ₹18,000 Lowest |
| 5.00 | DE SLEEVE WORK:(IF NECESSARY)Charges towards providing sleeve to DE side end shield bearing seating area. | 1 | Nos | 10,000 ₹10,000 | 9,000 ₹9,000 Lowest |
| 6.00 | NDE SLEEVE WORK:(IF NECESSARY) Charges towards providing sleeve to NDE side end shield bearing seating area. | 1 | Nos | 10,000 ₹10,000 | 9,000 ₹9,000 Lowest |
| 7.00 | To and fro transport charges | 1 | Nos | 10,000 ₹10,000 Lowest | 18,000 ₹18,000 |
| 8.00 | Retrieved saleable copper scrap (420 Kg). | 180 | Kgs | 475 ₹85,500 Lowest | 510 ₹91,800 |
Tender Value
Refer Docs
EMD Value
₹7,300
Closing Date
25 Nov 2025, 2:00 pmClosed
CHIEF ENGINEER/MTPS-I
CHIEF ENGINEER MTPS-I METTUR DAM
MTPSI ES Circle EM-II SDIII Complete rewinding of 1No failed ASPII D1 squirrel cage Induction HT motor Crompton greaves make, 200KW,1470 rpm, Sl.no HMHA2870076 at AHPH stage II during the year 2025 26
2025_EB_622418_1
CE-MTPSI-SEES-EMII-OT102-25-26
Open Tender
Electrical Works
Works
60 days
MTPS-I/METTURDAM
AS PER TENDER SPECIFICATION
4 documents required · 4 mandatory
₹0
₹7,300
Yes
15 Jul 2026
11 Nov 2025
26 Nov 2025
11 Nov 2025
25 Nov 2025
11 Nov 2025
Amount
STATOR REWINDING (6.6 KV): Charges towards dismantling the motor, threading out the rotor from the stator core pack, stripping out of all 54 coils, cleaning the slots, conducting hot spot tests to find out the core damages, removing the stator core pack from the stator yoke by hydraulic press, rewinding the stator using new VPI Green coils inserting the windings into the slots, banding the overhang portions in the surge ring, leading out the end connection, fixing 6 Nos. RTDs, preheating, Global Vacuum Pressure Impregnating the winding with core pack in vacuum chamber using suitable poly epoxy resin, baking, testing, refixing the core pack into the stator yoke in hydraulic press, providing flexible silicon cables, applying finishing varnish, replacement of DE & NDE bearings and assembling, no load trial run and measuring all no load parameters and painting the motor with 2 coats of DA.Grey paint. (New bearings will be supplied by TNPGCL)
STATOR CORE RESTACKING:- (IF NECESSARY)Charges for removing the stator core pack from the stator body, complete dismantling the stator core stampings, removing the old burnt core plate varnishes by chemical treatment, cleaning, removing the surface kinks, revarnishing with core plate varnish, restacking the stampings, locking and repositioning the core pack into the stator body by hydraulic press and conducting the flux loop test to ascertain the restacked core healthiness, and conducting hot spot test.
FABRICATION OF NEW COILS: Charges for Fabrication and supply of new stator coils using new class `F’ enamelled polymica covered electrolytic grade rectangular copper conductors pre-staggering with thermopreg, insulating the slot portions using samicapor insulating materials, applying corona protection tapes and stress grading tapes and conducting required tests. (Retrieved coils shall be retained by the contractor)
DYNAMIC BALANCING: Charges towards dynamic balancing the rotor at grade G2.5 at rated RPM
DE SLEEVE WORK:(IF NECESSARY)Charges towards providing sleeve to DE side end shield bearing seating area.
NDE SLEEVE WORK:(IF NECESSARY) Charges towards providing sleeve to NDE side end shield bearing seating area.
To and fro transport charges
Retrieved saleable copper scrap (420 Kg).
Coral rewinding India Private Limited (BID ID -1512499)
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