Tender for In-situ Internal Oxide Scale Measurement (IOSM) for Boilers at Sikka TPS

This government tender invites qualified contractors to undertake the job of In-situ Internal Oxide Scale Measurement (IOSM) during AOH or COH, as well as as-needed for Boilers of Units No.3 and 4 at Sikka Thermal Power Station. The project aims to ensure optimal boiler performance and safety through precise oxide scale measurement. The scope covers detailed internal inspections, data collection, and reporting to support maintenance activities. The tender is issued by Gujarat State Electricity Corporation Limited, a key player in power generation and energy infrastructure in Gujarat. The project duration is 18 months, with a total estimated cost of approximately INR 7,50,000. Bidders must demonstrate technical expertise, relevant experience, and financial stability to qualify. The tender process involves multiple stages, including preliminary, technical, and commercial evaluations, with specific submission deadlines and documentation requirements. This opportunity is ideal for experienced engineering firms specializing in power plant maintenance, boiler diagnostics, and structural inspections within the power and energy sector.

The selected contractor will be responsible for:

• Conducting In-situ Internal Oxide Scale Measurement (IOSM) during AOH (Annual Outage Hours) or COH (Cycle Outage Hours) and as required for Boilers of Units No.3 and 4 at Sikka TPS.
• Performing detailed internal inspections of boiler components to assess oxide scale formation.
• Collecting and analyzing data to determine oxide thickness and distribution.
• Preparing comprehensive reports highlighting findings and recommendations.

The process involves:

1. Mobilization of technical team and equipment.
2. Scheduling inspections during planned outages.
3. Executing internal measurements using specialized tools.
4. Documenting results with photographic and written records.
5. Submitting detailed reports within stipulated timelines.

Key deliverables include:

Deliverable	Specifications
Inspection Reports	Clear, detailed, and compliant with technical standards
Data Analysis	Accurate measurement data with graphical representation
Final Summary	Recommendations for maintenance and further actions

The contractor must ensure adherence to safety standards, environmental regulations, and Gujarat State Power Plant protocols.

✓ Must have valid registration and licenses to operate in Gujarat.
✓ Demonstrable experience in boiler internal inspection and oxide measurement.
✓ Proven track record of executing similar projects within stipulated timelines.
✓ Financial stability with an annual turnover of at least INR 15 lakhs in the last 3 years.
✓ Submission of Tender Fee (INR 885) and EMD (INR 7,500) as per specified formats.

Qualification Requirement	Minimum Criteria
Experience in Boiler Inspection	At least 3 similar projects in the last 5 years
Financial Turnover	INR 15 Lakhs annually for 3 consecutive years
Technical Certification	Certified engineers and technicians in boiler diagnostics
Legal & Compliance	No blacklisting or stop deal status in government or private sector

All bidders must submit relevant documents including experience certificates, financial statements, and compliance certificates as part of their technical bid.

The inspection must utilize advanced internal measurement tools capable of detecting oxide scales with a precision of ±0.01 mm. The equipment should be calibrated and certified for accuracy. The process involves:

• Use of ultrasonic or laser-based measurement devices.
• Data collection at multiple points along boiler tubes.
• Ensuring measurements are performed during planned outages to minimize operational disruption.

Technical Parameter	Specification
Measurement Accuracy	±0.01 mm
Equipment Certification	ISO Certified
Data Recording	Digital with timestamp
Safety Standards	Compliant with IS and IEC standards

The process includes calibration, measurement, data validation, and reporting, ensuring comprehensive assessment of oxide scales for maintenance planning.

The total estimated budget for this project is INR 7,50,000, which includes all labor, equipment, and reporting costs. The financial breakdown is as follows:

Cost Component	Estimated Cost (INR)
Equipment & Tools	3,00,000
Labor & Technicians	2,50,000
Data Analysis & Reporting	1,00,000
Miscellaneous & Contingency	50,000

Payment terms are as follows: - 30% advance upon contract signing. - 50% after completion of inspections and submission of preliminary report. - 20% after final report approval. All payments are subject to submission of valid invoices and compliance with contractual terms.

The bidding process involves the following steps:

1. Download Tender Document from the official portal before the deadline.
2. Submit Technical and Financial Bids electronically via the designated platform.
3. Pay Tender Fee and EMD online, ensuring receipt confirmation.
4. Bid Opening will be conducted publicly on the scheduled date.
5. Evaluation of bids based on technical compliance and financial competitiveness.
6. Award of Contract to the successful bidder.

Timeline	Event	Details
06-06-2025	Bid Submission Start	Bidders can begin submitting bids
26-06-2025	Bid Submission End	Last date for bid submission
05-07-2025	Preliminary & Technical Evaluation	Evaluation of technical bids
06-07-2025	Commercial Evaluation	Final evaluation and contract award

Bidders must ensure all documents are submitted before the closing date to avoid disqualification.

Bids will be evaluated based on:

Criteria	Weightage
Technical Compliance	50%
Relevant Experience	20%
Financial Offer	20%
Certification & Qualifications	10%

Minimum thresholds include: - **Technical compliance score of at least 70%**. - **Financial bid within the predefined budget**. - **Valid certifications and experience proof**. Evaluation factors include the bidder’s technical expertise, past project success, financial stability, and adherence to safety standards. The highest-scoring bid meeting all criteria will be selected for award.

Date	Event	Details
06-06-2025	Bid Submission Start	Bidders can submit their bids online
26-06-2025	Bid Submission End	Last date for bid submission
05-07-2025	Preliminary & Technical Evaluation	Evaluation of technical bids
06-07-2025	Commercial Evaluation	Final evaluation and award decision
07-07-2025	Contract Award	Notification to successful bidder

**Critical deadlines** include submission of all documents by 18:00 hours on 26th June 2025, and evaluation completion by 5th July 2025.

For queries and support, bidders can contact:

Name	Role	Contact Details
Chief Engineer, Sikka TPS	Tender Inviting Authority	Phone: 7567047231
Support Team, (n)Procure	Technical Assistance	Email: nprocure@ncode.in

Address for physical submissions and inquiries: Chief Engineer, Gujarat State Electricity Corporation Ltd., Thermal Power Station, Sikka - 361 140, Gujarat, India.

All interested bidders must adhere to the terms and conditions specified in the tender documents. It is recommended to participate in the free vendor training sessions scheduled every Saturday at (n)code solutions, Ahmedabad. Bidders should ensure their digital certificates are valid and procure necessary licenses for online bid submission. The project emphasizes transparency, compliance, and timely completion, aligning with government procurement policies for power sector infrastructure projects.