Open Power and Energy NPROCURE

GSECL SSHEP Kevadia Colony Electrical Works Tender for Rotor Re-insulation

Bid Publish Date

19-Nov-2025, 5:30 pm

Bid End Date

10-Dec-2025, 6:30 pm

Value

₹21,86,003

Progress

Issue19-Nov-2025, 5:30 pm
AwardPending
Explore all 4 tabs to view complete tender details

Tender Type

Open

Sector

Power and Energy

Tender Fee

₹1,770

Contract Form

Works

Completion Period

90  Days

Currency Type

Single

Categories 19

This government tender from Gujarat State Electricity Corporation Limited (GSECL) offers a significant opportunity for electrical contractors specializing in power plant maintenance. The project involves repairing and insulating rotor poles of hydro generators at the Sardar Sarovar Hydro Electric Project in Kevadia Colony. The scope includes high-voltage electrical repairs using Class H Nomex Epoxy insulation to ensure optimal generator performance and safety. The tender is open to experienced firms with proven expertise in hydroelectric generator repairs and electrical insulation. With an estimated value of approximately ₹21.86 lakh and a project duration of 90 days, this contract is ideal for companies seeking to contribute to renewable energy infrastructure development in Gujarat. The procurement process is conducted via e-Procurement through the NProcure portal, emphasizing transparency and efficiency. Interested bidders must meet strict eligibility criteria, submit technical and financial proposals, and adhere to deadlines. This tender offers a strategic opportunity for power sector contractors to participate in government-backed renewable energy projects and support Gujarat's energy sustainability goals.

Scope Of Work

Repair and re-insulation of faulty rotor poles of hydro generators at SSHEP.
• Use of Class H Nomex Epoxy composite insulation for re-insulation.
• Conduct diagnostic testing of generator components prior to repair.
• Remove defective rotor poles and replace with new insulated components.
• Perform electrical testing post-repair to ensure insulation integrity.
• Ensure compliance with safety standards and project specifications.
• Complete all work within the specified 90-day period.

  1. Initial assessment and planning.
  2. Procurement of materials and tools.
  3. Disassembly of rotor poles.
  4. Application of Nomex epoxy insulation.
  5. Reinstallation and testing.
  6. Final inspection and commissioning.
Specification Details
Generator Capacity 5 x 50 MW hydro generators
Insulation Material Class H Nomex Epoxy
Completion Period 90 days
Estimated Cost ₹21,86,002.89

This work is critical for maintaining the efficiency and safety of hydroelectric power generation at SSHEP.

Technical Specifications

Parameter Specification
Insulation Type Class H Nomex Epoxy
Generator Voltage As per existing hydro generator specifications
Insulation Resistance Minimum 100 MΩ after repair
Temperature Rating Up to 180°C
Testing Standards IEC 60034 and IEEE standards

Sequential procedures include:

  1. Diagnostic testing of rotor poles.
  2. Removal of defective insulation.
  3. Application of Nomex epoxy insulation.
  4. Reassembly and electrical testing.
  5. Final inspection and commissioning.

All work must adhere to safety and quality standards specified in the tender documents.

Financial Requirements

The estimated project cost is approximately ₹21,86,002.89, which includes materials, labor, and testing. Bidders must submit a bid that reflects competitive pricing within this budget. The payment schedule will be linked to project milestones, with payments released after successful completion of each phase. The bid must include detailed cost breakdowns for materials, labor, and miscellaneous expenses. All financial proposals should be valid for 180 days from the bid submission deadline. The successful bidder will be required to furnish a performance security as per tender guidelines. The total bid amount should not exceed the estimated cost, ensuring transparency and competitiveness.

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Eligibility Criteria

✓ Must have valid tender fee and EMD details as per tender requirements.
✓ Must submit technical documents demonstrating relevant experience in electrical maintenance and rotor insulation.
✓ Bidders should have a proven track record of similar hydro generator repair projects.
✓ Financial stability must be evidenced by recent financial statements.

Qualification Criteria Details
Experience Minimum 3 years in electrical maintenance of power plant generators
Financial Turnover Average annual turnover of at least ₹50 lakh in the last 3 years
Certification Valid electrical contractor license and ISO certifications
Technical Capability Ability to handle high-voltage insulation and rotor repairs
Legal Compliance No pending legal disputes or violations

Bidders must provide all necessary documents, including technical certifications, financial statements, and experience proof, to qualify for technical evaluation.

Bidding Process

Process Timeline

1. Preliminary Stage

12-12-2025 15:30

2. Technical Stage

12-12-2025 15:35

3. Commercial Stage

12-12-2025 15:40

Required Forms

Preliminary

Tender Fee and EMD Details

User Defined Template-Standard

Required

Technical

Bidder Confirmation

User Defined Template-Standard

Required

Commercial

Percentage Rate

Library-Secured

Required

Required Documents

Stage - Preliminary Stage

1

Tender Fee and EMD Details

Required

Stage - Technical Stage

1

Attach scan copy of technical documents as per tender terns and conditions

Required

Frequently Asked Questions

Key insights about GUJARAT tender market

What is the main objective of this tender?

This tender aims to select qualified contractors for repairing and re-insulating faulty rotor poles of hydro generators at GSECL's SSHEP in Kevadia Colony, ensuring enhanced efficiency and safety of the power plant.

What are the eligibility criteria for bidders?

Bidders must demonstrate relevant experience in electrical maintenance of power generators, submit financial documents showing stability, and possess necessary certifications and licenses. They must also meet specific technical and legal requirements outlined in the tender documents.

How can I participate in the bidding process?

Participants should download the tender documents from the official NProcure portal, submit all required documents and bid proposals online before the deadline, and ensure compliance with all technical and financial criteria. Training sessions are available to assist bidders.

What is the deadline for bid submission?

The last date for bid submission is 10th December 2025 at 6:30 PM. Bids submitted after this deadline will not be considered. Bidders are advised to submit well in advance to avoid last-minute issues.

What technical standards must the work comply with?

All work must adhere to IEC 60034 and IEEE standards for electrical insulation and generator repairs. The insulation material used should be Class H Nomex Epoxy, capable of withstanding temperatures up to 180°C.

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