Gujarat Power Sector Tender for Refurbishment of Primary Air Fan Rotor Assembly

The scope of work involves detailed refurbishment of the Primary Air Fan Rotor Assembly, Model No. AP 2 17/12, for 2 X 250 MW Boiler Units at Sikka TPS. Key deliverables include:

• Disassembly and inspection of existing rotor assemblies
• Replacement or refurbishment of rotor blades and components
• Balancing and alignment of rotor assemblies
• Reassembly and testing of the rotor units
• Ensuring compliance with technical standards and safety regulations

The process involves the following steps:

1. Site inspection and assessment
2. Preparation of detailed work plan and schedule
3. Disassembly of existing rotor assemblies
4. Component refurbishment or replacement
5. Balancing, alignment, and quality checks
6. Final reassembly and testing
7. Handover and documentation

Bidder must ensure adherence to all technical specifications and safety standards outlined in the tender documents. The project timeline and detailed specifications are provided in the attached tender document.

The technical specifications require bidders to refurbish the rotor assembly ensuring:

Sequence of technical procedures:

• Disassembly of existing rotor
• Inspection and assessment of wear and tear
• Refurbishment or replacement of blades and components
• Dynamic balancing
• Final assembly and testing

All work must conform to the technical standards specified in the tender documents, with quality assurance and safety compliance as mandatory requirements.

The estimated project cost is ₹19,89,000, with a bid security (EMD) of ₹59,670. The financial proposal must include a percentage rate for refurbishment work, submitted via the 'Percentage Rate' form. Payment terms are as follows:

• 30% advance upon contract signing
• 40% after completion of disassembly, refurbishment, and initial testing
• 30% after final acceptance and handover

Bidders must submit a detailed cost breakdown in the prescribed format, ensuring transparency and compliance with the tender guidelines. The total bid amount should not exceed the estimated cost, and all financial documents should be duly signed and sealed.