Tender for Rewinding & Overhauling of 5MVA 66/11KV Transformer at Kutch Lignite Power Plant
Progress
This government tender offers a unique opportunity for electrical maintenance companies and power sector service providers to participate in the fault attending, rewinding, and overhauling of a 5MVA transformer at Kutch Lignite Thermal Power Station. Managed by Gujarat State Electricity Corporation Limited (GSECL), this project aims to enhance the reliability and efficiency of critical electrical infrastructure. The tender involves comprehensive transformer repairs, including fault diagnosis, rewinding, testing, and commissioning, with a completion period of 24 months. Bidders must meet strict eligibility criteria, submit technical and financial bids, and adhere to specified procedures. The project offers a significant contract value, emphasizing quality, safety, and timely execution. This opportunity is ideal for experienced electrical contractors specializing in power plant transformer maintenance, offering a chance to showcase expertise in the power and energy sector while contributing to Gujarat’s power infrastructure stability.
Scope Of Work
• Conduct fault attending, rewinding, and complete overhauling of a 5MVA, 66/11KV transformer at KLTPS.
• Perform diagnostic assessments to identify faults and necessary repairs.
• Disassemble the transformer and replace faulty components.
• Rewind the transformer coils with specified quality materials.
• Conduct testing and calibration to ensure transformer efficiency.
• Reassemble and commission the transformer ensuring compliance with safety standards.
• Provide detailed documentation of work performed.
- Site inspection and fault diagnosis.
- Procurement of necessary materials and parts.
- Disassembly of the transformer.
- Rewinding and repairs.
- Testing and quality assurance.
- Final reassembly and commissioning.
- Submission of completion report.
| Parameter | Specification |
|---|---|
| Transformer Capacity | 5 MVA |
| Voltage Levels | 66/11 KV |
| Overhaul Duration | 24 months |
| Completion Period | 24 months |
| Certification Needed | Valid electrical safety and maintenance certifications |
• The selected bidder must ensure minimal downtime and adhere to safety protocols.
• All work must comply with applicable electrical standards and regulations.
Technical Specifications
| Parameter | Specification |
|---|---|
| Transformer Type | Oil-immersed, power transformer |
| Capacity | 5 MVA |
| Voltage Ratio | 66/11KV |
| Rewinding Material | High-quality copper/aluminum conductors |
| Insulation Class | Class F or higher |
| Testing Standards | IEC 60076, IEEE C57.12 |
| Overhaul Process | Disassembly, fault diagnosis, rewinding, reassembly, testing |
Sequential procedures:
- Site inspection and fault assessment.
- Procurement of rewinding materials.
- Disassembly and inspection.
- Rewinding and component replacement.
- Testing and quality verification.
- Final assembly and commissioning.
- Documentation and handover.
Financial Requirements
The estimated project cost ranges between $250,000 and $350,000 USD, covering materials, labor, testing, and commissioning. The financial breakdown includes:
| Cost Component | Estimated Cost |
|---|---|
| Material & Parts | $150,000 |
| Labor & Labour | $80,000 |
| Testing & Certification | $20,000 |
| Miscellaneous | $10,000 |
Payment terms are structured as follows:
- 30% advance upon contract signing.
- 50% after completion of rewinding and initial testing.
- 20% post final commissioning and acceptance.
Bidders must submit a detailed financial proposal aligned with these guidelines.
Tender Data
Bid Details
Tender Type
Open
Sector
Power and Energy
Tender Fee
₹1,770
Contract Form
Works
Completion Period
24 Months
Currency Type
Single
Bid Submission Start
03-09-2026 18:00:00
Document Download End
23-10-2026 17:55:00
Bid Validity
180
Additional Tender Data
Commercial Details
Tender Category
Service
Bid To RA
No
Item Category
Electrical and Maintenance Works
Authority & Contact
Officer Inviting Bids
GSECL, Kutch Lignite Thermal Power Station(KLTPS), Panandhro-Kutch
Bid Opening Authority
Committee
Address
Kutch Lignite Thermal Power Station (KLTPS) PO SK Vermanagar,Taluka Lakhpat
Contact Details
8758448560
Authority Records
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Documents 1
WE-382.pdf
TENDER_DOCUMENT
Categories
7
Bidding Process
Process Timeline
Required Forms
Preliminary
KLTPS Works TF EMD Detail
User Defined Template-Standard
Technical
KLTPS Works Bidder Confirmation
User Defined Template-Standard
Commercial
Price Bid Form
Library-Secured
Required Documents
Stage - Preliminary stage
Attach Necessary Scan Copy of TF & EMD Details
RequiredStage - Technical Stage
Attach Necessary Scan Document As per Tender PQC
RequiredAttach Scan Copy of Duly Stamped and Signed Technical Bid.
Required🤖 AI-Powered Bidder Prediction
Discover companies most likely to bid on this tender
Eligibility Criteria
✓ Must have valid electrical contractor license.
✓ Must submit necessary scan copies of Tender Fee & EMD details for preliminary approval.
✓ Must provide technical bid documents as per Tender PQC.
✓ Must attach scanned copies of signed and stamped technical bid.
✓ Experience in transformer repair, rewinding, and overhauling projects of similar scope.
| Qualification | Minimum Criteria |
|---|---|
| Financial Stability | Annual turnover of at least $500,000 USD in the last 3 years |
| Technical Experience | At least 3 completed projects involving transformer maintenance |
| Certification | Valid electrical safety and quality certifications |
| Legal Compliance | No ongoing legal disputes related to electrical works |
✓ Bidders must possess valid GST registration and relevant power sector licenses.
✓ The bidder should have a proven track record in executing similar projects within stipulated timelines.
Frequently Asked Questions
Key insights about GUJARAT tender market
What is the scope of work for this tender?
The scope includes fault attending, rewinding, and complete overhauling of a 5MVA, 66/11KV transformer at Kutch Lignite Power Plant. Key activities involve fault diagnosis, disassembly, rewinding with high-quality materials, testing, reassembly, and commissioning, all adhering to IEC and IEEE standards.
What are the eligibility criteria for bidders?
Bidders must possess valid electrical contractor licenses, provide necessary scan copies of EMD and tender fee, demonstrate experience in transformer maintenance projects, and hold relevant certifications. Financial stability with an annual turnover of at least $500,000 USD over the last 3 years is required, along with no ongoing legal disputes.
How can I participate in the bidding process?
Download the tender documents from the official portal, submit the technical bid with all required documents before the deadline, followed by the financial bid. Ensure compliance with all submission guidelines. The bid deadline is 25th September 2026 at 6:00 PM, with evaluation based on technical and financial criteria.
What technical specifications are required for the transformer?
The transformer must be oil-immersed, 5 MVA capacity, with a voltage ratio of 66/11KV. Rewinding should use high-quality copper or aluminum conductors, with insulation class F or higher. Testing standards include IEC 60076 and IEEE C57.12, with procedures involving disassembly, rewinding, testing, and reassembly.
What is the estimated project budget and payment terms?
The estimated project cost ranges from $250,000 to $350,000 USD. Payment terms include 30% advance, 50% after initial testing, and 20% upon final commissioning. Bidders must submit a detailed financial proposal aligned with these terms for consideration.