Tender for 220 KV Isolator Replacement at Dhuvaran Gas Power Station Gujarat

The scope of work includes:

• Removal and replacement of existing 220 KV isolators at the specified substation.
• Disconnection of existing isolators following safety protocols.
• Installation of new high-voltage isolators with proper grounding and insulation.
• Testing and commissioning of the new isolators to ensure operational efficiency.
• Compliance with all safety and technical standards set by GSECL and relevant authorities.

The process involves the following steps:

1. Site assessment and preparation.
2. Disconnection of existing equipment.
3. Removal of old isolators.
4. Installation of new isolators.
5. Electrical testing and quality checks.
6. Final commissioning and handover.

Bidder must ensure all work complies with technical standards and safety regulations, providing detailed documentation and quality assurance reports throughout the project.

Process for technical compliance:

1. Submit detailed technical drawings.
2. Provide material certification documents.
3. Conduct on-site inspection if required.
4. Complete installation as per approved drawings.
5. Perform testing and commissioning following IEC standards.

The estimated project budget ranges from Rs. 2 Crores to Rs. 3 Crores, inclusive of all costs. The financial breakdown is as follows:

Payment terms are as follows:

• 10% advance upon contract signing.
• 40% after completion of disconnection and removal.
• 40% after installation and successful testing.
• 10% after final commissioning and acceptance.
  All payments are subject to submission of valid invoices and certification from project engineers.