Tender for High Vacuum Oil Filtration of Transformers at Wanakbori Power Plant
Progress
This government tender offers a unique opportunity for experienced contractors to provide high vacuum oil filtration services at Wanakbori Thermal Power Station, Gujarat. The project aims to enhance transformer performance by removing moisture and impurities from transformer oil, ensuring reliable power supply. Bidders must meet strict eligibility criteria, including technical expertise, financial stability, and proper documentation. The tender process involves online submission, technical evaluation, and transparent award procedures, with a project duration of 24 months. The scope encompasses comprehensive oil filtration, testing, and certification, making it ideal for companies specializing in electrical maintenance and power plant services. Participate now to contribute to Gujarat’s power infrastructure development and ensure transformer reliability in a critical energy sector project.
Scope Of Work
The selected contractor will be responsible for the following activities:
- Conduct high vacuum oil filtration of transformers of various ratings at Wanakbori TPS.
- Ensure removal of moisture, impurities, and sludge from transformer oil to improve dielectric strength.
- Perform testing and certification post-filtration to verify oil quality.
- Maintain safety and environmental standards throughout the process.
- Coordinate with power station personnel for scheduled outages.
The process involves:
- Pre-inspection and assessment of transformers.
- Preparation of filtration setup and safety checks.
- Execution of oil filtration using approved high vacuum equipment.
- Post-filtration testing and quality assurance.
- Documentation and certification of completed work.
| Parameter | Specification |
|---|---|
| Transformer Ratings | Various as per site requirements |
| Filtration Equipment | High vacuum oil filtration units conforming to industry standards |
| Oil Quality Standards | As per IS 1866 and IEC standards |
| Duration | Up to 24 months, with scheduled maintenance intervals |
The contractor must ensure minimal downtime and adhere to safety protocols during operations.
Technical Specifications
The technical specifications for the oil filtration process include:
| Parameter | Detail |
|---|---|
| Filtration Method | High vacuum, moisture removal, sludge extraction |
| Equipment Standards | Conforming to IS 1866 and IEC standards |
| Oil Types | Mineral oil, insulating oil of various ratings |
| Testing | Dielectric strength, moisture content, acidity |
| Procedure | Sequential filtration, testing, and certification |
The process involves:
- Connecting the filtration units securely to transformers.
- Running the filtration cycle until desired purity levels are achieved.
- Conducting post-filtration testing to ensure compliance.
- Documenting results and issuing certification for each transformer.
Financial Requirements
The estimated budget for this project is between INR 20 Lakhs to INR 35 Lakhs, depending on the number of transformers and scope of work. The cost breakdown includes:
| Cost Component | Approximate Amount |
|---|---|
| Equipment and Materials | INR 10 Lakhs |
| Labor and Technical Staff | INR 7 Lakhs |
| Testing and Certification | INR 3 Lakhs |
| Miscellaneous Expenses | INR 2 Lakhs |
Payment terms are as follows:
- 30% advance upon contract signing.
- 40% on completion of 50% filtration work.
- 30% after final testing and certification.
Bidders should include detailed cost estimates and adhere to the approved budget limits. All financial transactions must comply with government procurement policies.
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
07-10-2026 12:00:00
Document Download End
28-10-2026 18:00:00
Bid Validity
180 Days
Additional Tender Data
Commercial Details
Tender Category
Service
Bid To RA
No
Item Category
Miscellaneous Works
Authority & Contact
Officer Inviting Bids
Chief Engineer [C & O], Wanakbori TPS
Bid Opening Authority
Chief Engineer [C & O], Wanakbori TPS
Address
Wanakbori Thermal Power Station, Gujarat State Electricity Corporation Limited, Ta: Galteshwar, Dist: Kheda -388239
Contact Details
[email protected] /7069003830
Authority Records
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Documents 1
RFQ-78306 EMD-5.pdf
TENDER_DOCUMENT
Categories
20
Bidding Process
Process Timeline
29-10-2026 15:00
29-10-2026 15:30
Required Forms
Preliminary
Tender fee details –WTPS
User Defined Template-Standard
EMD DETAIL
User Defined Template-Secured
Technical
Technical Bid
User Defined Template-Standard
Commercial
Price Bid Form
Library-Secured
Required Documents
Stage - Preliminary stage
Attach Scanned copy of Tender fee and EMD details.
RequiredStage - Technical Stage
Experience certificate of similar work & copy of past orders executed for similar type of work.(as mentioned in tender document)
RequiredMust be submit financial qualification criteria (As mentioned in tender document).
RequiredDetails of PF Code No.
RequiredCopy of GST Registration No., I.T. No. & PAN Card No.
RequiredList of tools & tackles (as mentioned in tender document)
Attach scanned copy of technical bid with all relevants documents.
RequiredAuthentication of veracity of documents submitted in support of Meeting the Qualifying Requirements. (As mentioned in tender document).
RequiredForm for Declaration for Conflict of Interest among BIDDERS/AGENTS. (As mentioned in tender document).
RequiredForm for Declaration for Relationship of BIDDER With Employee (As mentioned in tender document).
RequiredBidder must be registered in GUVNL VMS portal. (As mentioned in tender document).
RequiredBidder must be submit form no.1 to 6 including integrity pact with duly sign & stamp.
RequiredBidder must be submit UNDERTAKING IN REGARD TO QUOTED PRICE(As mentioned in tender document).
RequiredBidder Must Attach Copy of Electrical Contractor License (as mentioned in tender document)
RequiredForm - Technical Bid
Attach scan copy of Tender documents
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Eligibility Criteria
- ✓ Must have experience in high vacuum oil filtration and transformer maintenance.
- ✓ Must submit valid experience certificates and past project references.
- ✓ Must possess valid GST registration, PAN, and I.T. No.
- ✓ Must be registered on the GUVNL VMS portal.
- ✓ Must submit EMD and tender fee as specified.
- ✓ Must hold valid electrical contractor license.
- ✓ Must provide details of tools, tackles, and technical staff.
- ✓ Must meet financial qualification criteria as per tender document.
- ✓ Must authenticate the veracity of submitted documents.
| Qualification Criteria | Minimum Requirement |
|---|---|
| Experience | At least 3 similar projects completed in the last 5 years |
| Financial Turnover | Minimum annual turnover of INR 50 lakhs |
| Technical Capability | Proven technical expertise with necessary tools and manpower |
All documents must be submitted in the prescribed format and verified before bid submission.
Frequently Asked Questions
Key insights about GUJARAT tender market
What is the deadline for bid submission?
The bid submission deadline is 28-10-2026 at 6:00 PM. Bidders must upload all required documents before this time to be considered.
What documents are required for technical qualification?
Required documents include experience certificates, financial qualification proofs, GST registration, PAN, I.T. No., tool & tackle list, technical bid, and affidavits regarding conflicts of interest and relationships. All documents must be verified and uploaded as per tender instructions.
How is the evaluation process conducted?
Evaluation involves technical and financial assessments. Technical capability accounts for 50%, financial proposal 30%, past performance 10%, and eligibility 10%. Minimum thresholds must be met for qualification, and the highest-scoring compliant bidder will be awarded the contract.
Can I attend a training session for online bidding?
Yes, free vendor training sessions are organized every Saturday at (n)code solutions, GNFC Ltd., Ahmedabad. Attending these sessions is recommended to ensure smooth bid submission and understanding of the process.
What is the scope of work for this tender?
The scope includes high vacuum oil filtration, testing, and certification of transformers at Wanakbori TPS. The contractor must ensure minimal downtime, adhere to safety standards, and provide detailed documentation post-filtration.