Loading
Loading…
Loading…
Tender ID
| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹6.9 CrAccepted-AOC 430 3RD FLOOR ORCHARD MALL ROYAL PALMS ESTATE AAREY MILK COLONY GOREGAON EAST MUMBAI MAHARASHTRA 400065 | MUMBAI SUBURBAN | MAHARASHTRA | 400065 | L1 | Accepted-AOC L1 | |
| 2 | L2₹8.2 Cr+₹1.3 Cr (18.5%)Rejected-AOC | L2 | Rejected-AOC L2 | |
| 3 | L3₹11.3 Cr+₹4.4 Cr (63.8%)Rejected-AOC 150 VILLARASAMPATTI NAAL ROAD NASIYANUR ROAD ERODE 638 107 | ERODE | ERODE | TAMIL NADU | 638107 | L3 | Rejected-AOC L3 |
| Sl No | Description | Qty | Unit | Coral rewinding India Private Limited L3 | SHREE ABIRAMI ENGGINEERING WORKS PRIVATE LIMITED L2 | Evans Electric Limited L1 |
|---|---|---|---|---|---|---|
| 1.00 | Charges towards removal of 8 Nos. rotor poles from rotor spider | 1 | LS | 0 ₹2,00,000 Lowest | 0 ₹2,00,000 Lowest | 0 ₹8,00,000 |
| 2.00 | Charges towards dismantling the Generator by decoupling the turbine and threading out the rotor | 1 | LS | 0 ₹15,00,000 | 0 ₹12,60,000 Lowest | 0 ₹20,00,000 |
| 3.00 | Charges towards de- brazing and removal of 18 Nos. bus bars on both phase and neutral sides and 72 Nos. of Jumpers with suitable thermal protection and removing 4 Nos. surge ring. | 1 | LS | 0 ₹2,00,000 Lowest | 0 ₹2,00,000 Lowest | 0 ₹5,00,000 |
| 4.00 | Charges towards dismantling the entire core, chemical washing, drying in the conveyor oven at 180°C mounted at site, varnishing the core with F class insulation in
rubberized roller to maintain the uniform thickness, drying out the core at 200°C, Checking the lamination thickness, re-varnishing once again if the coating thickness is not sufficient and drying, checking the IR value of the core, assembling the core, re-staggering and restacking, maintain the core pack thickness, locking the core by core bolts. The following tests are to be carried out in the re-varnished core before staggering. a) Xylol Test, b) Mandrel Test, c)7H Pencil Hardness Test, d)Insulation Resistance Test by applying 110 V AC between 10 Nos. stampings clamped together with a lamp series. The lamp should not glow. (As per IEC /IEEE standard) | 1 | LS | 1,02,08,000 ₹2,32,00,000 | 36,00,000 ₹1,53,00,000 | 0 ₹1,50,00,000 Lowest |
| 5.00 | Charges towards conducting the ELCID and Flux loop test to ascertain the integrity of insulation of stator core and find out the hot spot and the same to rectify. | 1 | LS | 0 ₹3,00,000 | 0 ₹3,60,000 | 0 ₹2,10,000 Lowest |
| 6.00 | Charges towards cleaning and polishing the stator core pack slot for ready to install new stator coils. | 1 | LS | 0 ₹2,50,000 | 0 ₹1,00,000 Lowest | 0 ₹1,00,000 Lowest |
| 7.00 | Charges towards removing the existing class B insulation, re-insulating the coils to Class “F” insulation, consolidating and applying corona and stress grading coatings and insulating the overhang portion of coils to Class ”F” insulation at required level on both sides.(Totally 359 Numbers ). (The relevant test as per item No. 8 to be carried out) | 359 | Nos | 48,500 ₹3,30,81,850 | 30,600 ₹1,87,39,800 | 0 ₹1,54,37,000 Lowest |
| 8.00 | Tests on stator coils as per relevant IS standard:
1. Dimensional check
2. Coil Resistance Measurement
3. Inter strand IR value test at 110 V AC for 3 sec
4. IR value at 5 KV before and after HVAC test for 1 minute
5. HVAC test at 23 KV for 1 minute
6. Tan delta test at 2.2 KV, 6.6 KV, and 11 KV | 1 | LS | 0 ₹7,00,000 | 0 ₹3,60,000 Lowest | 0 ₹6,20,000 |
| 9.00 | Charges towards procurement of the required quantity of glass epoxy class “F” liners, wedges and binding card, mouth block, end cap, coil overhang support epoxy spacer, tape and resin etc., | 1 | LS | 51,00,000 ₹51,00,000 | 36,00,000 ₹36,00,000 | 35,00,000 ₹35,00,000 Lowest |
| 10.00 | Charges towards re-insulating both top and bottom side overhang surge ring -4 nos., 18 Nos. Bus bars, 72 Nos. jumpers in the stator assembly with class ‘F’ insulation. | 1 | LS | 6,70,500 ₹11,50,000 Lowest | 6,03,900 ₹12,21,978 | 0 ₹12,00,000 |
Tender Value
Refer Docs
EMD Value
₹6 L
Closing Date
23 Mar 2026, 12:00 pmClosed
Chief Engineer Hydro
The Chief Engineer Hydro, Tamil Nadu Green Energy Corporation Ltd, 5th Floor, Eastern Wing, NPKRR Maaligai, 144, Anna Salai, Chennai 600 002
Refurbishing of stator core and complete re-insulation of stator coils with Class F insulation, re-insulation of defective rotor pole coils with Class H insulation, and other allied works at unit 1 of Kadamparai PH
2026_EB_673566_1
HE2523
Open Tender
Electrical Works
Item Rate
300 days
Kadamparai
As per the tender spec HE2523
4 documents required · 4 mandatory
₹0
₹6 L
Yes
27 May 2026
12 Mar 2026
23 Mar 2026
12 Mar 2026
23 Mar 2026
13 Mar 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | Charges towards removal of 8 Nos. rotor poles from rotor spider | 1 | LS | - | - |
| 2 | Charges towards dismantling the Generator by decoupling the turbine and threading out the rotor | 1 | LS | - | - |
| 3 | Charges towards de- brazing and removal of 18 Nos. bus bars on both phase and neutral sides and 72 Nos. of Jumpers with suitable thermal protection and removing 4 Nos. surge ring. | 1 | LS | - | - |
| 4 | Charges towards dismantling the entire core, chemical washing, drying in the conveyor oven at 180°C mounted at site, varnishing the core with F class insulation in
rubberized roller to maintain the uniform thickness, drying out the core at 200°C, Checking the lamination thickness, re-varnishing once again if the coating thickness is not sufficient and drying, checking the IR value of the core, assembling the core, re-staggering and restacking, maintain the core pack thickness, locking the core by core bolts. The following tests are to be carried out in the re-varnished core before staggering. a) Xylol Test, b) Mandrel Test, c)7H Pencil Hardness Test, d)Insulation Resistance Test by applying 110 V AC between 10 Nos. stampings clamped together with a lamp series. The lamp should not glow. (As per IEC /IEEE standard) | 1 | LS | - | - |
| 5 | Charges towards conducting the ELCID and Flux loop test to ascertain the integrity of insulation of stator core and find out the hot spot and the same to rectify. | 1 | LS | - | - |
| 6 | Charges towards cleaning and polishing the stator core pack slot for ready to install new stator coils. | 1 | LS | - | - |
| 7 | Charges towards removing the existing class B insulation, re-insulating the coils to Class “F” insulation, consolidating and applying corona and stress grading coatings and insulating the overhang portion of coils to Class ”F” insulation at required level on both sides.(Totally 359 Numbers ). (The relevant test as per item No. 8 to be carried out) | 359 | Nos | - | - |
| 8 | Tests on stator coils as per relevant IS standard:
1. Dimensional check
2. Coil Resistance Measurement
3. Inter strand IR value test at 110 V AC for 3 sec
4. IR value at 5 KV before and after HVAC test for 1 minute
5. HVAC test at 23 KV for 1 minute
6. Tan delta test at 2.2 KV, 6.6 KV, and 11 KV | 1 | LS | - | - |
| 9 | Charges towards procurement of the required quantity of glass epoxy class “F” liners, wedges and binding card, mouth block, end cap, coil overhang support epoxy spacer, tape and resin etc., | 1 | LS | - | - |
| 10 | Charges towards re-insulating both top and bottom side overhang surge ring -4 nos., 18 Nos. Bus bars, 72 Nos. jumpers in the stator assembly with class ‘F’ insulation. | 1 | LS | - | - |
stage.html
html • 0.04 MB
tech_eval.pdf
boq_comp_chart.xlsx
xlsx
fin_eval.pdf
aoc.pdf
Tap a document below to read it instantly. You can also download everything as a ZIP if you prefer.
details.html
html • 0.03 MB
Tendernotice_1.pdf
PDF • 0.40 MB
HE2523SPEC.pdf
Tender Documents • 1.13 MB
BOQ_809588.xls
BOQ • 0.33 MB
Download all tender documents and submit your bid
Disclaimer: TenderKart has made every reasonable effort to ensure that the information on this page is accurate and authentic, however it cannot be held liable for any third-party claims or losses or any damages. TenderKart makes no warranty, expressed or implied, as to the results obtained from the use of this information. If you notice any error or omission, please let us know at .