Open Power and Energy NPROCURE

Government Tender for 25MVA 230/7KV Station Transformer Supply & Installation at Ukai TPS

Q: What is the main scope of this government tender?

This tender involves the **design, supply, installation, testing, and commissioning** of a **25MVA, 230/7KV station transformer** at Ukai TPS, Gujarat. It covers all aspects from technical design to final handover, ensuring reliable power transmission infrastructure in line with GSECL standards.

Q: Who is eligible to bid on this tender?

Eligible bidders must have **valid licenses**, demonstrate **experience in power transformer projects**, and meet **financial stability criteria**. They must submit **scanned copies of payment receipts** for tender fee and EMD during preliminary stages and provide proof of past similar project completions. Certification compliance and technical capability are mandatory.

Q: What are the key technical specifications required?

The transformer must have a **capacity of 25 MVA**, operate at **230/7KV**, use **ONAN cooling**, and comply with **IEC 60076 standards**. The insulation class should be **H**. Installation involves site preparation, erection, electrical connections, and rigorous testing to ensure operational safety and efficiency.

Q: What is the bidding process and timeline?

Bidders must **download tender documents** before the deadline, then **submit technical and financial bids online** by 17-09-2025. The **technical bid opening** is scheduled for 18-09-2025 at 15:00. The **evaluation** will follow, with the **contract award expected by 25-09-2025**. Strict adherence to deadlines is essential.

Q: What are the payment terms and financial requirements?

The estimated project cost is INR 43.99 million, with a **bid security (EMD) of INR 13.19 lakh**. Payments will be made in installments: **30% advance**, **40% after installation**, and **30% after commissioning**. All payments depend on submission of valid invoices and certification as per contractual terms.

Bid Publish Date

27-Aug-2025, 1:00 pm

Bid End Date

29-Nov-2025, 6:30 pm

EMD

₹13,19,700

Value

₹4,39,90,000

Location

TAPI , GUJARAT

Progress

Issue27-Aug-2025, 1:00 pm

AwardPending

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Tender Type

Open

Sector

Power and Energy

Tender Fee

₹17,700

Contract Form

Supply

Completion Period

As per tender Document Attached

Currency Type

Single

Categories 6

TECHNICAL SERVICES ELECTRICAL ELECTRICAL SUBSTATION STATIC CONVERTERS SWITCHYARD MACHINE SUPPLY

This government tender offers a unique opportunity for qualified electrical and engineering firms to participate in the design, supply, installation, and commissioning of a 25MVA, 230/7KV station transformer at Ukai Thermal Power Station, Gujarat. Managed by Gujarat State Electricity Corporation Limited (GSECL), the project aims to enhance power transmission capacity and reliability. Bidders must meet strict eligibility criteria, including technical experience and financial stability, and submit comprehensive proposals aligned with technical specifications and safety standards. The tender process involves multiple evaluation stages, with key deadlines in September 2025. The project budget is approximately INR 43.99 million, with a bid security of INR 13.19 lakh. This tender is ideal for companies specializing in power transformers, electrical infrastructure, and government procurement in the power sector. Participation offers a strategic opportunity to contribute to Gujarat’s power infrastructure development and expand your company's portfolio in large-scale government projects.

Scope Of Work

The scope of work includes:

Design and engineering of a 25MVA, 230/7KV station transformer in accordance with GSECL specifications.
Supply of all necessary equipment and accessories as per technical standards.
Installation and erection of the transformer at Ukai TPS, including foundation work and electrical connections.
Testing and commissioning to ensure operational efficiency and safety.
Documentation and handover of all relevant technical manuals and certificates.

Key deliverables include:

Complete design documentation
Supply of transformer and accessories
Installed and tested transformer ready for operation
Final commissioning report

Sequential process:

Submission of technical and financial bids
Technical evaluation and approval
Contract award
Site mobilization and installation
Testing and commissioning
Final acceptance and handover

Technical Specifications	Details
Transformer Capacity	25 MVA
Voltage Ratio	230/7KV
Frequency	50 Hz
Cooling Type	ONAN
Insulation Class	Class H

All work must comply with applicable safety standards and technical guidelines issued by GSECL and relevant authorities.

Technical Specifications

The transformer must meet the following technical parameters:

Capacity: 25 MVA
Voltage Ratio: 230/7KV
Cooling Type: ONAN (Oil Natural Air Natural)
Insulation Class: H
Frequency: 50 Hz
Standards Compliance: IEC 60076 series and GSECL specifications

Installation process:

Site preparation and foundation work
Erection of transformer and accessories
Electrical connections and grounding
Insulation testing
Load testing and commissioning

plaintext
Technical parameters must be verified through factory testing reports and certification documents. All equipment should be compliant with Indian and international standards.

Financial Requirements

The estimated project cost is INR 43,99,000.00, which includes design, supply, installation, and commissioning charges. The bidding process requires a bid security deposit of INR 13,19,700. Bidders must submit a detailed financial proposal, including itemized costs for equipment, labor, transportation, and testing.

Cost Breakdown	Amount (INR)
Equipment & Materials	30,00,000
Installation & Erection	8,00,000
Testing & Commissioning	3,00,000
Miscellaneous & Contingencies	2,00,000

Payment Schedule:

30% advance upon contract signing
40% after installation completion
30% post successful commissioning and acceptance

All payments are subject to submission of valid invoices and certification from GSECL authorities.

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Eligibility Criteria

✓ Must have valid registration and licensing to undertake electrical infrastructure projects in Gujarat.
✓ Must submit scanned copies of payment receipt for Tender fee and EMD during preliminary submission.
✓ Must demonstrate relevant experience in designing, supplying, and installing power transformers of similar capacity.
✓ Must provide proof of financial stability, including turnover and past project completions.

Financial Qualification Criteria	Details
Minimum annual turnover	INR 10 million
Past similar projects completed	At least 2 projects of similar scope
EMD amount	INR 1,319,700

Additional eligibility:

Bidders must hold necessary certifications and approvals.
All submitted documents must be valid and up-to-date.

Bidding Process

Process Timeline

1. Primilinary Stage

01-12-2025 15:00

2. Technical Stage

01-12-2025 15:05

3. Commercial Stage

01-12-2025 15:30