CHENNAI: Bharat Heavy Electricals Limited (BHEL) has issued a Single Tender for specialized In-situ Groove Machining work at its 1×800 MW North Chennai Stage-III Thermal Power Project located in Athipattu, Tamil Nadu. The tender has been invited exclusively from M/s EFCO Maschinenbau India Pvt. Ltd., Hyderabad, reflecting the highly specialized nature of the engineering work involved.
The tender has been released by BHEL Power Sector – Southern Region, with bid submission and opening scheduled for July 25, 2026, at 5:00 PM.
Specialized Engineering Work for a Critical Power Project
The tender covers In-situ Groove Machining for SBLV (Steam Bypass and Low-Pressure Valve), a precision engineering task that plays an important role in ensuring the efficient operation and maintenance of thermal power plant equipment.
Unlike conventional machining carried out in workshops, in-situ machining is performed directly at the project site, reducing equipment dismantling, minimizing downtime, and improving maintenance efficiency.
The contract period for completing the work has been fixed at three days, highlighting the urgency and specialized nature of the assignment.
Tender Details
| Particular | Details |
|---|---|
| Project | 1×800 MW North Chennai Stage-III |
| Location | Athipattu, Tamil Nadu |
| Work | In-situ Groove Machining for SBLV |
| Tender Type | Single Tender |
| Invited Bidder | M/s EFCO Maschinenbau India Pvt. Ltd., Hyderabad |
| Contract Duration | 3 Days |
| Bid Submission Deadline | July 25, 2026 – 5:00 PM |
| Tender Opening | July 25, 2026 – 5:00 PM |
| Earnest Money Deposit (EMD) | Not Applicable |
| Offer Validity | 30 Days |
| Submission Mode | Email Only |
Bid Submission Process
BHEL has instructed the invited bidder to submit its offer exclusively through the designated email address.
Official Submission Email
The company has specified that:
- All pages of the tender document must be signed and sealed by the bidder.
- The bid must comply with all technical and commercial requirements outlined in the tender.
- Late submissions may not be considered.
Clarification and Contact Details
For any technical or commercial clarifications related to the tender, BHEL has designated the following officials:
- Manager / SCT, BHEL North Chennai Stage-III
- Email: anurag2009@bhel.in
- Email: praveen.k@bhel.in
Interested parties have been advised to communicate directly with the designated officials for any clarification before bid submission.
Single Tender Issued for Specialized Expertise
The tender has been issued as a Single Tender, meaning it has been invited from only one specialized vendor.
Such procurement is generally adopted when:
- The work requires highly specialized technical expertise.
- Only a limited number of qualified suppliers possess the required technology.
- Equipment compatibility demands the services of an experienced manufacturer or authorized service provider.
- Project timelines require expedited execution.
BHEL clarified that this document is only a Request for Offer (RFO) and does not constitute a binding contract until a formal work order is issued.
The company also reserves the right to:
- Accept or reject the offer.
- Modify tender conditions if required.
- Cancel the tender without assigning any reason.
About the North Chennai Stage-III Project
The North Chennai Stage-III Thermal Power Project is a 1×800 MW supercritical thermal power unit being developed to enhance electricity generation capacity in Tamil Nadu.
The project is expected to:
- Increase regional power availability.
- Improve grid reliability.
- Support industrial and residential electricity demand.
- Utilize advanced supercritical technology for improved efficiency and reduced emissions.
BHEL is playing a key role in supplying equipment and executing engineering works for the project.
About Bharat Heavy Electricals Limited (BHEL)
Bharat Heavy Electricals Limited (BHEL) is India’s largest engineering and manufacturing Public Sector Enterprise, operating under the Ministry of Heavy Industries.
The company specializes in:
- Thermal Power Equipment
- Hydroelectric Projects
- Nuclear Power Systems
- Transmission Equipment
- Industrial Machinery
- Defence Engineering
- Railway Systems
- Renewable Energy Solutions
- Power Plant Maintenance Services
BHEL has executed numerous power generation projects across India and internationally, making it one of the country’s most important infrastructure companies.
American Experts React
John Peterson, Power Plant Maintenance Consultant (United States)
John Peterson said specialized in-situ machining plays a vital role in maintaining modern power plants.
“Performing precision machining directly at the project site minimizes equipment downtime, reduces transportation costs, and helps restore critical components without extensive dismantling. For large thermal power projects, these techniques significantly improve operational efficiency.”
He added that rapid maintenance solutions are increasingly important for utilities seeking higher plant availability.
Dr. Emily Foster, Industrial Engineering Specialist (United States)
Dr. Emily Foster described the tender as an example of specialized engineering procurement.
“Single-source tenders are often appropriate when highly specialized expertise or proprietary technology is required. Precision machining of critical valve components demands experienced contractors capable of meeting strict engineering tolerances and quality standards.”
She noted that advanced maintenance technologies contribute to safer and more reliable power generation infrastructure.
Future Outlook
The specialized In-situ Groove Machining work is expected to support the timely execution and operational readiness of the North Chennai Stage-III project.
As India continues expanding its electricity generation capacity through modern supercritical thermal power plants, specialized engineering services and precision maintenance will remain essential for ensuring plant reliability, efficiency, and long-term operational performance.
Key Highlights
- BHEL Power Sector – Southern Region has issued a Single Tender for In-situ Groove Machining work at the 1×800 MW North Chennai Stage-III Thermal Power Project.
- The tender has been invited exclusively from M/s EFCO Maschinenbau India Pvt. Ltd., Hyderabad.
- The work involves In-situ Groove Machining for SBLV, with a contract period of three days.
- Bid submission and tender opening are scheduled for July 25, 2026, at 5:00 PM.
- No Earnest Money Deposit (EMD) is required, and the offer validity is 30 days.
- BHEL has clarified that the tender is only a Request for Offer and does not constitute a contract until formally awarded.
- American experts believe specialized in-situ machining enhances power plant reliability, reduces maintenance downtime, and supports the efficient operation of large-scale thermal power infrastructure.
