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Open Power and Energy NPROCURE

Government Tender for Overhauling and Testing of 10MVA Transformer at KLTPS Power Plant

Bid Publish Date

20-Dec-2025, 7:00 pm

Bid End Date

12-Jan-2026, 6:00 pm

Location

KACHCHH , GUJARAT

Progress

Issue20-Dec-2025, 7:00 pm
AwardPending
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Tender Type

Open

Sector

Power and Energy

Tender Fee

₹1,770

Contract Form

Works

Completion Period

12  Months

Currency Type

Single

Categories 6

MEGA POWER PROJECT ELECTRICAL ELECTRICAL SUBSTATION STATIC CONVERTERS SWITCHYARD SUB STATION

This government tender offers a unique opportunity for experienced electrical contractors to participate in the maintenance and testing of a 10MVA transformer at Kutch Lignite Thermal Power Station (KLTPS). Managed by Gujarat State Electricity Corporation Limited (GSECL), the project focuses on overhauling, oil leakage attending, and comprehensive testing to ensure the transformer’s optimal performance. The tender process is fully electronic, emphasizing transparency, efficiency, and compliance with safety standards. Bidders must meet specific eligibility criteria, including technical experience and financial stability, to qualify. The project duration is 12 months, with detailed guidelines for submission, evaluation, and award. Participating in this tender will contribute to strengthening power infrastructure in Gujarat and offers a platform for reputed electrical service providers to showcase their expertise in power transformer maintenance and testing. The opportunity aligns with government initiatives to enhance power reliability and safety across the state.

Scope Of Work

• Overhauling the 10MVA, 66/11kV transformer at KLTPS.
• Attending to oil leaks and performing necessary repairs.
• Conducting comprehensive testing including insulation resistance, turns ratio, and dielectric tests.
• Ensuring transformer safety and operational efficiency.

The process involves:

  1. Initial Inspection of the transformer.
  2. Oil Leakage Attending and sealing.
  3. Component Cleaning and Replacement if required.
  4. Electrical Testing as per standards.
  5. Final Inspection and commissioning.

Key deliverables include:

  • Complete overhaul report.
  • Test certificates.
  • Oil leakage repair documentation.
Specification Details
Transformer Capacity 10 MVA
Voltage Levels 66/11 kV
Testing Standards IEC, IEEE
Completion Period 12 months

Bidder must ensure all work complies with safety regulations and technical standards specified in the tender documents.

Technical Specifications

The transformer to be serviced is a 10MVA, 66/11kV unit complying with IEC standards. Technical parameters include:

Parameter Specification
Capacity 10 MVA
Voltage Ratio 66/11 kV
Insulation Resistance Minimum 100 MΩ
Testing Standards IEC 60076, IEEE C57.12.00

Sequential procedures involve:

  • Inspection and cleaning
  • Oil leakage attending
  • Replacement of faulty parts
  • Electrical testing including insulation and turns ratio
  • Final inspection and certification

All work must adhere to safety protocols and technical standards outlined in the tender documents.

Financial Requirements

The estimated project budget ranges from ₹10 Lakhs to ₹15 Lakhs, covering labor, materials, testing, and miscellaneous expenses. The financial breakdown is as follows:

Cost Component Estimated Cost
Material & Parts ₹5 Lakhs
Labour & Services ₹4 Lakhs
Testing & Certification ₹1.5 Lakhs
Contingency & Miscellaneous ₹1.5 Lakhs

Payment terms are linked to project milestones:

  • 30% advance upon contract signing.
  • 40% after completion of overhauling.
  • 30% after final testing and certification.

Bidders must provide detailed financial proposals and adhere to the stipulated budget limits.

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Eligibility Criteria

✓ Must have valid digital signature certificate (Class-III) for online bidding.
✓ Must submit necessary scan copies of Tender Fee & EMD details for preliminary stage.
✓ Must possess relevant experience in transformer overhauling and testing.
✓ Must have valid electrical contractor license.

Financial Qualification Details
Minimum Turnover ₹50 Lakhs annually
Past Experience At least 2 similar transformer maintenance projects in last 3 years
EMD Amount As specified in tender (payable at Bank of Baroda, Panandhro branch)

Critical: Bidders must meet all eligibility requirements to qualify for technical evaluation.

Bidding Process

Process Timeline

1. Preliminary stage
2. Technical Stage
3. Commercial Stage

Required Forms

Preliminary

KLTPS Works TF EMD Detail

User Defined Template-Standard

Required

Technical

KLTPS Works Bidder Confirmation

User Defined Template-Standard

Required

Commercial

Price Bid Form

Library-Secured

Required

Required Documents

Stage - Preliminary stage

1

Attach Necessary Scan Copy of TF & EMD Details

Required

Stage - Technical Stage

1

Attach Necessary Scan Document As per Tender PQC

Required
2

Attach Scan Copy of Duly Stamped and Signed Technical Bid.

Required

Frequently Asked Questions

Key insights about GUJARAT tender market

What is the main scope of this government tender?

This tender involves overhauling, oil leakage attending, and testing of a 10MVA, 66/11kV transformer at Kutch Lignite Thermal Power Station (KLTPS). The objective is to ensure the transformer operates safely and efficiently, meeting all relevant standards. The scope includes inspection, repairs, oil leakage sealing, electrical testing, and final certification, with a project completion period of 12 months.

What are the eligibility criteria for bidders?

Bidders must have a valid digital signature certificate (Class-III), submit necessary scan copies of EMD and tender fee, and possess experience in transformer maintenance projects. Financially, they should have an annual turnover of at least ₹50 Lakhs and have completed at least 2 similar projects in the last 3 years. All documents must be submitted as per the specified formats.

How can I participate in this tender?

Participants must download the tender documents from the official portal, submit technical and financial bids electronically before the deadline, and ensure all mandatory documents are uploaded. The process includes technical evaluation, followed by financial bidding for shortlisted bidders. Bidders should also attend the free training sessions offered every Saturday for guidance on online bidding.

What are the key dates and deadlines?

The tender documents are available from 20-12-2025, with the bid submission deadline on 12-01-2026 at 18:00. The document download closes on the same day at 17:55. The tender opening will be notified later. Bidders must ensure timely submission to avoid disqualification.

What technical standards must the work adhere to?

All work must conform to IEC 60076, IEEE C57.12.00, and other relevant standards for transformer maintenance and testing. The technical procedures include insulation resistance testing, turns ratio testing, and dielectric tests. Safety protocols must be strictly followed throughout the project execution to ensure compliance and operational safety.