This government tender offers a unique opportunity for experienced electrical contractors to participate in transformer repair and rewinding services at Ukai Thermal Power Station. The project involves repairing BHEL make 95KV peak transformers critical for the operation of the 500MW power unit. The tender is issued by Gujarat State Electricity Corporation Ltd., emphasizing safety, quality, and timely completion. Bidders must meet specific eligibility criteria, submit detailed technical and financial proposals, and adhere to the structured tender process. The project duration is 18 months, with a total estimated cost of INR 17,19,494. This tender is ideal for firms specializing in power transformer maintenance, electrical repairs, and power plant servicing, seeking to contribute to Gujarat’s power infrastructure. The process is transparent, with evaluation based on technical competence, cost, and past performance, ensuring fair competition and quality delivery.
Government Tender for Repairing & Rewinding of BHEL 95KV Transformers at Ukai TPS
Progress
Tender Type
Open
Sector
Power and Energy
Tender Fee
₹1,770
Contract Form
Works
Completion Period
18 Months
Currency Type
Single
Categories
7
Scope Of Work
The scope of work includes:
- Disassembly and inspection of existing transformers to identify faults.
- Rewinding of the transformers with specified specifications.
- Replacement of damaged components and accessories.
- Testing and calibration of rewound transformers to ensure compliance with technical standards.
- Final installation, commissioning, and performance testing at Ukai TPS.
The process involves the following steps:
- Preparation and mobilization of tools and skilled manpower.
- Disassembly of existing transformers following safety protocols.
- Cleaning and inspection of internal components.
- Rewinding process with new winding wires as per specifications.
- Replacement of bushings, insulators, and other accessories.
- Testing and quality checks including insulation resistance, turns ratio, and load testing.
- Reinstallation and commissioning of transformers.
| Technical Specifications | Details |
|---|---|
| Transformer Make | BHEL |
| Voltage Rating | 95KV |
| Peak Current | 800 mAmp |
| Capacity | 83 KVA |
| Power Unit | 500MW Unit no 6 |
All work must adhere to safety standards and Gujarat State Electricity Corporation Ltd. guidelines. The contractor is responsible for providing all necessary equipment, skilled personnel, and safety measures throughout the project duration.
Technical Specifications
The transformers to be repaired are BHEL make 95KV Peak 800 mAmp 83 KVA ESP Rectifier Transformers, designed for 500MW power units. The technical parameters include:
- Voltage Rating: 95KV
- Peak Current: 800 mAmp
- Capacity: 83 KVA
- Design Standards: As per BHEL specifications and Indian electrical standards.
The process involves:
- Disassembly, cleaning, and detailed inspection.
- Rewinding with specified wire gauge and insulation class.
- Replacement of bushings, insulators, and other components.
- Testing for insulation resistance, turns ratio, and load performance.
- Final installation and commissioning.
All technical work must comply with Gujarat State Electricity Corporation Ltd. standards and safety protocols. The contractor should ensure quality control at each stage, maintaining documentation for verification.
Financial Requirements
The total estimated cost for the project is INR 17,19,494. The financial breakdown includes:
| Cost Component | Amount (INR) |
|---|---|
| Material and components | 10,00,000 |
| Labour and skilled manpower | 5,00,000 |
| Testing and quality assurance | 1,50,000 |
| Miscellaneous expenses | 69,494 |
Payment terms are as follows:
- Advance payment: 20% upon contract signing.
- Progress payments: 50% based on milestones achieved.
- Final payment: 30% after successful commissioning.
Bidders must provide a detailed financial proposal aligned with these terms. All costs should be inclusive of taxes, duties, and other applicable charges.
🤖 AI-Powered Bidder Prediction
Discover companies most likely to bid on this tender
Eligibility Criteria
Bidders must fulfill the following eligibility criteria:
- ✓ Must have valid registration and licenses to operate in Gujarat.
- ✓ Must have prior experience in repairing and rewinding power transformers, specifically BHEL make transformers.
- ✓ Must submit payment receipt of Tender fee (INR 1770) and EMD amount (INR 51,585) in the preliminary stage.
- ✓ Must attach scanned copies of relevant technical bid documents, including certifications and past project references.
- ✓ Financially stable with an average annual turnover of at least INR 50 Lakhs in the last 3 years.
| Qualification Criteria | Minimum Requirement |
|---|---|
| Experience in transformer repairs | At least 3 similar projects in the last 5 years |
| Financial turnover | INR 50 Lakhs annually |
| Valid licenses | Power sector-specific licenses |
| EMD and Tender fee | Paid and submitted as per instructions |
All submissions must be complete and conform to the specified formats. Non-compliance will lead to disqualification.
Bidding Process
Process Timeline
24-11-2025 15:00
24-11-2025 15:05
24-11-2025 15:30
Required Forms
Preliminary
Tender Fee Detail UTPS
User Defined Template-Standard
EMD payment detail of UTPS
User Defined Template-Standard
Technical
UTPS Confirmation
User Defined Template-Standard
Certificate-A UTPS
User Defined Template-Standard
Relationship with employee UTPS
User Defined Template-Standard
Commercial
Percentage Rate
Library-Secured
Required Documents
Stage - Preliminary stage
Attach scan copy payment receipt of Tender fee and EMD
RequiredStage - Technical Stage
Attach scanned copy of technical bid with all relevant documents.
RequiredFrequently Asked Questions
What is the scope of this government tender?
This tender involves repairing and rewinding of BHEL make 95KV Peak 800 mAmp 83 KVA ESP Rectifier Transformers at Ukai TPS. The scope includes disassembly, inspection, rewinding, replacement of components, testing, and final commissioning to ensure the transformers operate efficiently within the power plant. The work aims to maintain the reliability and safety of the 500MW unit no 6.
Who is eligible to participate in this tender?
Eligible bidders must have experience in transformer repairs, valid licenses, and financial stability with an annual turnover of at least INR 50 Lakhs. They must submit payment receipts of tender fee and EMD, along with technical documentation demonstrating past similar projects. Bidders should also have the necessary technical certifications and safety standards compliance.
What are the key dates and deadlines for this tender?
The bid submission starts on 04-11-2025 at 10:40 AM and ends on 21-11-2025 at 6:30 PM. Evaluation stages are scheduled for 24-11-2025, with preliminary, technical, and commercial evaluations. The final award is expected shortly after the evaluation process. Bidders must ensure timely submission to avoid disqualification.
How can I submit my bid and what are the documentation requirements?
Bids must be submitted online via the nProcure portal. Required documents include tender fee receipt, EMD receipt, technical bid documents, and certificates. Physical submission of EMD and tender fee receipts is mandatory within 5 days of bid submission. Ensure all documents are in PDF format with a resolution of 300 dpi or higher and do not exceed 3 MB.
What are the evaluation criteria for selecting the successful bidder?
Bids are evaluated based on technical competence (40%), financial proposal (30%), past project performance (20%), and adherence to technical specifications (10%). Bidders must meet minimum thresholds, including a 70-point technical score. Cost-effectiveness, experience, and compliance with standards are critical factors in the final decision.
Download FREE!
Access all tender documents at no cost
Documents 2
Tender Notice.pdf
TENDER_DOCUMENT
WT-5041 Tender documents EMD-6.pdf
TENDER_DOCUMENT
Tender Notice.pdf
TENDER_DOCUMENT
WT-5041 Tender documents EMD-6.pdf
TENDER_DOCUMENT
