Government Tender for Supply of High Velocity Oxy Flame Thermal Spray Coating at Wanakbori TPS
Progress
This government tender offers a unique opportunity for experienced suppliers to provide high velocity oxy-fuel (HVOF) thermal spray coatings for boiler tubes at Wanakbori Thermal Power Station, Gujarat. The project aims to improve erosion resistance and extend the lifespan of critical boiler components, supporting the power sector's commitment to efficient and reliable energy production. Bidders must meet strict eligibility criteria, including technical expertise, certifications, and financial stability. The tender process emphasizes transparency, quality assurance, and timely delivery, with detailed specifications and evaluation criteria outlined in the tender documents. The procurement is managed by Gujarat State Electricity Corporation Limited (GSECL), a leading organization in power generation. This opportunity is ideal for industrial coating specialists, power plant maintenance firms, and surface treatment providers seeking to participate in a government-funded project with significant scope and strategic importance in the power sector.
Scope Of Work
The scope of this tender encompasses the supply and application of high velocity oxy-fuel (HVOF) thermal spray coatings on boiler tubes of Unit 7 at Wanakbori TPS. Key deliverables include:
- Supply of high-quality thermal spray coating materials compatible with boiler tube specifications.
- Surface preparation of erosion-prone tubes as per technical standards.
- Application of HVOF coating ensuring uniform coverage and adhesion.
- Testing and quality assurance of coated surfaces.
The process involves the following steps:
- Material procurement as per technical specifications.
- Surface cleaning and preparation of boiler tubes.
- Application of thermal spray coating using approved equipment.
- Inspection and testing to verify coating integrity.
- Final delivery and documentation of coated tubes.
Specifications and standards are detailed in the tender documents, and bidders must adhere strictly to safety and environmental regulations. The project timeline, completion period, and quality benchmarks are outlined in the tender guidelines.
| Parameter | Specification |
|---|---|
| Coating Type | High Velocity Oxy-Fuel (HVOF) |
| Coating Thickness | As specified in tender documents |
| Application Method | Thermal spray coating |
| Surface Preparation | Mechanical cleaning, grit blasting |
| Testing Standards | ASTM, ASME |
All activities must be completed within the stipulated completion period, with adherence to safety, environmental, and quality standards.
Technical Specifications
The technical specifications require the application of high velocity oxy-fuel (HVOF) thermal spray coatings on boiler tubes. The coating must meet the following parameters:
| Parameter | Requirement |
|---|---|
| Coating Material | As approved in tender documents |
| Coating Thickness | 100-200 microns (as per technical standards) |
| Surface Preparation | Mechanical cleaning, grit blasting to Sa 2.5 grade |
| Application Equipment | HVOF thermal spray gun with certified calibration |
| Adhesion Strength | Minimum 25 MPa as per ASTM C633 |
| Coating Uniformity | ±5% variation across surface |
| Testing | Adhesion test, thickness measurement, porosity assessment |
The process involves sequential steps: surface cleaning, coating application, curing, and quality testing. All procedures must comply with ASTM, ASME, and relevant safety standards. Bidders must submit detailed technical methodology along with their bid.
Financial Requirements
The estimated project value ranges from INR 10,00,000 to INR 15,00,000, inclusive of all costs. The financial bid should include a detailed breakdown:
| Cost Component | Amount (INR) |
|---|---|
| Material Cost | As per supplier quotation |
| Labour Charges | As per project scope |
| Equipment Usage | As per contractual agreement |
| Miscellaneous | Contingencies and overheads |
Payment terms are as follows:
- 30% advance upon contract signing
- 50% after delivery of coated tubes
- 20% after successful testing and acceptance
Bidders must ensure their financial proposals are competitive and compliant with tender guidelines. All costs should be clearly itemized, and taxes included as applicable.
Tender Data
Bid Details
Tender Type
Open
Sector
Power and Energy
Tender Fee
₹2,950
Contract Form
Supply
Completion Period
As per tender Document Attached
Currency Type
Single
Bid Submission Start
29-09-2026 12:00:00
Document Download End
21-10-2026 18:00:00
Bid Validity
120 Days
Additional Tender Data
Commercial Details
Tender Category
Goods
Bid To RA
No
Item Category
Miscellaneous Goods
Authority & Contact
Officer Inviting Bids
Chief Engineer [C & O], Wanakbori TPS
Bid Opening Authority
Chief Engineer [C & O], Wanakbori TPS
Address
Wanakbori Thermal Power Station, Gujarat State Electricity Corporation Limited, Ta: Galteshwar, Dist: Kheda -388239
Contact Details
[email protected] /7069003830
Authority Records
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Documents 3
General Commercial Terms and Conditions-n procure.pdf
TENDER_DOCUMENT
NIT (RFQ- 78099M) BMD3.pdf
TENDER_DOCUMENT
TECHNICAL BID (RFQ- 78099M) BMD3.pdf
TENDER_DOCUMENT
Categories
7
Bidding Process
Process Timeline
22-10-2026 15:00
22-10-2026 15:30
Required Forms
Primilinary
Tender fee details –WTPS
User Defined Template-Standard
EMD DETAIL
User Defined Template-Secured
Technical
WTPS Confirmation
User Defined Template-Standard
Commercial
WTPS Price Bid Supply + Works RFQ NO 78099M
User Defined Template-Secured
Required Documents
Stage - Primilinary Stage
Attach Scanned copy of Tender fee and EMD details.
RequiredStage - Technical Stage
All Required Tender Documents - Scanned copy
RequiredIt is mandatory to accept the Cause 1 to 70. Bidder may accept the same on a single letter head instead of all 38 pages. [Pg. 1 to 38] and attach scanned copy of dully signed & stamped paper in online documents.
RequiredIt is mandatory to attach scanned copy of all Annexure-1 to 15 including Annexure-10 (GSECL-WTPS),Annexure for TPI, Integrity pact and certificate-A duly filled, signed and stamped through online (n-Procure) only.
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Eligibility Criteria
✓ Must have valid certification and registration with relevant power sector authorities.
✓ Must submit scanned copies of tender fee receipt and EMD details.
✓ All bidders must provide technical documentation including past project references.
✓ It is mandatory to accept the clauses 1 to 70 in the tender document, which can be accepted on a single letterhead.
✓ Bidders must attach scanned copies of all required annexures (1 to 15), including Annexure-10 (GSECL-WTPS), TPI, Integrity Pact, and Certificate-A, duly signed and stamped.
| Qualification Criteria | Details |
|---|---|
| Financial Turnover | Minimum turnover as specified in tender |
| Experience | Proven experience in thermal spray coating projects |
| Certification | ISO, BIS or equivalent standards |
| Legal Compliance | Valid licenses and registration |
| Past Performance | Successful completion of similar projects within stipulated timelines |
Bidders failing to meet these criteria will be disqualified from the tender process.
Frequently Asked Questions
Key insights about GUJARAT tender market
What is the main scope of this government tender?
This tender involves the supply and application of high velocity oxy-fuel (HVOF) thermal spray coatings on erosion-prone boiler tubes at Wanakbori Thermal Power Station, Unit 7. The goal is to enhance tube durability and operational efficiency by applying specialized coatings that resist erosion and corrosion, ensuring long-term power plant performance.
Who is eligible to participate in this tender?
Eligible bidders must have valid certifications, relevant experience in thermal spray coatings, and meet financial and technical criteria specified in the tender documents. They must also submit scanned copies of tender fee, EMD, and all required annexures, including quality certifications and past project references.
What are the key deadlines for bid submission?
The bid submission window starts on 29-09-2026 at 12:00 PM and closes on 21-10-2026 at 6:00 PM. Bids must be submitted online via the nProcure portal before the deadline. The technical evaluation and bid opening are scheduled for 22-10-2026, with detailed timelines available in the tender notice.
What technical standards must the coating meet?
The thermal spray coating must adhere to ASTM and ASME standards, with parameters including coating thickness, adhesion strength, and porosity. The process involves surface preparation, precise application using certified HVOF equipment, and rigorous testing to ensure compliance with quality benchmarks specified in the tender.
How can I get assistance during the bidding process?
Bidders can contact the support team at (n)Procure, via email at [email protected] or phone at +91-79-40007501. Free vendor training sessions are held weekly to guide participants through the online bidding process, ensuring smooth submission and compliance with all procedural requirements.