Tender for 11 KV Underground Cable Fault Finding & Rectification at Valsad Division

The scope of work includes:

• Fault detection and diagnosis of underground 11 KV cables using approved testing methods.
• Rectification of faults identified during testing.
• Replacement or repair of damaged cable sections.
• Testing and commissioning of repaired cables to ensure proper functionality.

The process involves the following steps:

1. Preparation and site inspection to assess existing cable conditions.
2. Fault detection using specialized equipment as per technical specifications.
3. Fault localization and marking.
4. Execution of repair work including cable splicing, jointing, or replacement.
5. Post-repair testing to verify fault clearance.
6. Documentation and reporting of work performed.

The contractor must adhere to technical standards specified in the tender documents and ensure safety protocols are followed throughout the project.

All work must comply with the technical and safety standards outlined in the tender documents.

The technical specifications include:

• Voltage Rating: 11 KV underground cables.
• Testing Methods: Insulation resistance testing, Time Domain Reflectometry (TDR), and cable tracing.
• Materials: Approved cable joints, splices, and insulation materials conforming to IS standards.
• Tools & Equipment: High-precision fault locators, insulation testers, and cable testers.
• Procedures: Sequential fault detection, localization, repair, and testing to ensure fault clearance.

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• Conduct initial inspection.
• Use TDR to locate faults.
• Isolate faulty cable section.
• Perform repairs or replacements.
• Conduct post-repair testing.
• Confirm fault clearance before commissioning.

All technical work must adhere to the standards specified in the detailed technical specification document linked with the tender.

The estimated project cost is INR 3,50,000. The financial bid should include the percentage rate for fault detection and rectification services. Payments will be made based on milestones, including completion of fault detection, repair, and successful testing. The bidder must provide a refundable EMD of INR 3,000 along with the bid. Payment terms are as follows:

• 30% on contract signing.
• 40% after fault detection and initial repair.
• 30% after successful testing and commissioning.

Bidders should submit detailed cost breakdowns, including labor, materials, and testing charges. All financial proposals must be in the prescribed format and conform to the tender guidelines. The total estimated cost for the project is INR 3,50,000, with the bid validity of 180 days from the date of submission.