Gujarat Power Sector Tender for Overhauling and Oil Filtration of 6.6kV/433V Transformers
Bid Publish Date
11-Jul-2026, 12:30 pm
Bid End Date
02-Sep-2026, 12:30 pm
Location
Progress
This government tender issued by Gujarat State Electricity Corporation Limited offers an opportunity for qualified contractors to participate in overhauling, oil filtration, cleaning, painting, and oil leakage attending work for various ratings of 6.6kV/433V, 2000 KVA/1600 KVA/400 KVA service transformers at Gandhinagar TPS. The project aims to enhance the operational efficiency and safety of electrical transformers in the power sector. Bidders must meet specific eligibility criteria, submit technical and financial bids, and adhere to the outlined procurement process. The tender is open to experienced electrical maintenance firms with relevant certifications and proven track records in transformer servicing. The estimated project value ranges between INR 10 lakh to INR 50 lakh, with a completion period of 11 months. This tender provides a strategic opportunity to contribute to Gujarat's power infrastructure modernization and ensure reliable electricity supply.
Scope Of Work
The scope of work includes:
- Overhauling of transformers with ratings of 6.6kV/433V, 2000 KVA, 1600 KVA, and 400 KVA at Gandhinagar TPS.
- Oil filtration and cleaning to remove contaminants and ensure optimal transformer performance.
- Painting and surface protection to prevent corrosion and extend equipment lifespan.
- Attending to oil leaks and other operational issues.
- Conducting safety checks and testing post-maintenance to verify transformer integrity.
Key deliverables include:
- Complete overhauling and cleaning of specified transformers.
- Replacement or repair of faulty components.
- Certification of transformer safety and performance.
Sequential process:
- Site inspection and assessment.
- Drainage and removal of old oil.
- Oil filtration and cleaning.
- Mechanical repairs and surface painting.
- Leak attending and sealing.
- Testing and certification.
- Final handover and documentation.
| Specification | Details |
|---|---|
| Transformer Ratings | 6.6kV/433V, 2000 KVA, 1600 KVA, 400 KVA |
| Duration | 11 months |
| Estimated Cost | INR 10 lakh to INR 50 lakh |
Technical Specifications
The technical specifications include:
| Parameter | Requirement |
|---|---|
| Transformer Ratings | 6.6kV/433V, 2000 KVA, 1600 KVA, 400 KVA |
| Oil Filtration | Use of approved filtration systems conforming to IS standards |
| Painting | Weather-resistant, anti-corrosive paint |
| Leak Attending | Sealing with approved materials and techniques |
| Testing | Insulation resistance, dielectric strength, and performance testing post-maintenance |
Sequential procedures:
- Site assessment.
- Drain old oil.
- Filter and clean transformer oil.
- Mechanical repairs and surface painting.
- Attend to oil leaks.
- Conduct electrical and safety testing.
- Certification and handover.
Financial Requirements
The project budget ranges from INR 10 lakh to INR 50 lakh, covering all activities including labor, materials, equipment, and testing. Payment terms are as follows:
- 30% advance upon contract signing.
- 40% after completion of oil filtration and mechanical repairs.
- 30% after successful testing and certification.
Bidders must submit a detailed cost breakdown in their financial bid, ensuring transparency and compliance with tender guidelines. All financial proposals should be valid for at least 180 days from the bid submission date.
Tender Data
Bid Details
Tender Type
Open
Sector
Power and Energy
Tender Fee
₹1,770
Contract Form
Works
Completion Period
11 Months
Currency Type
Single
Bid Submission Start
11-07-2026 18:00:00
Document Download End
02-09-2026 18:00:00
Bid Validity
180
Additional Tender Data
Commercial Details
Tender Category
Service
Bid To RA
No
Item Category
Miscellaneous Works
Authority & Contact
Officer Inviting Bids
CHIEF ENGINEER (G)
Bid Opening Authority
CHIEF ENGINEER (G)
Address
CHIEF ENGINEER (GEN.), GUJARAT STATE ELECTRICITY CORPORATION LTD, Gandhinagar TPS.
Contact Details
Authority Records
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Documents 1
GTPS_Tender _EW-319_03_07_2026.pdf
TENDER_DOCUMENT
Categories
14
Bidding Process
Process Timeline
09-09-2026 15:00
09-09-2026 15:10
Required Forms
Preliminary
Tender Fee Form
Library-Standard
Emd Fee Form
Library-Standard
Technical
PARTY DETAILS
User Defined Template-Standard
Stop Deal And Black List
User Defined Template-Standard
Certificate-A
User Defined Template-Standard
Bidder Confirmation
User Defined Template-Standard
Price
GTPS Price Bid EW-319
User Defined Template-Secured
Required Documents
Stage - Preliminary Stage
Attach scan copy of Tender Fee & EMD
RequiredStage - Technical Stage
Attach scan copy of supporting documents as per tender
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Eligibility Criteria
Bidders must meet the following eligibility criteria:
- ✓ Must have valid certificates and licenses for electrical maintenance and transformer servicing.
- ✓ Proven experience in overhauling and maintaining power transformers of similar ratings.
- ✓ Submit supporting documents as per tender requirements, including Tender Fee & EMD.
- ✓ Financial stability with average turnover of at least INR 50 lakh in the last 3 years.
- ✓ No history of blacklisting or debarment by any government agency.
| Qualification Criteria | Minimum Requirement |
|---|---|
| Experience | At least 3 years in transformer maintenance |
| Certification | Valid electrical contractor license |
| Financials | Average annual turnover of INR 50 lakh |
| Past Projects | Successfully completed at least 2 similar projects |
| Blacklisting | No blacklisting in past 5 years |
Frequently Asked Questions
Key insights about GUJARAT tender market
What is the main scope of this tender?
This tender involves overhauling, oil filtration, cleaning, painting, and attending to oil leaks for power transformers rated at 6.6kV/433V with capacities of 2000 KVA, 1600 KVA, and 400 KVA at Gandhinagar TPS. The goal is to enhance transformer performance, safety, and longevity, supporting Gujarat's power infrastructure.
Who is eligible to bid for this tender?
Eligible bidders must possess valid electrical maintenance certifications, demonstrate experience in transformer servicing, submit supporting documents like Tender Fee & EMD, and have a minimum annual turnover of INR 50 lakh in the last 3 years. Past blacklisting or debarment will disqualify applicants.
What are the key deadlines for bid submission?
The bid submission opens on 11th July 2026 at 18:00 and closes on 31st July 2026 at 18:00. Technical evaluation will be conducted on 7th August 2026 at 15:10. Bidders must ensure timely submission of all documents to participate.
How is the bid evaluation conducted?
Bids are evaluated based on technical competence (50% weightage), financial proposal (30%), adherence to technical specifications (10%), and past performance. Minimum thresholds include a technical score of 70% and compliance with budget limits. The highest-scoring bid will be awarded the contract.
How can I obtain the tender documents and support?
Tender documents can be downloaded free of cost from the official portal. Support and training sessions are organized every Saturday at (n)code solutions, Ahmedabad. For assistance, contact [email protected] or call +91-79-40007517. Ensure all documents are submitted electronically before deadlines.