Government Tender for Water Pipeline Construction - Mendarda Part II RWSS in Gujarat

The scope of work includes:

• Providing all labor, materials, and equipment necessary for pipeline installation.
• Supplying and laying pipelines of specified diameter as per technical specifications.
• Connecting pipelines to existing sumps and new sumps for inter-connectivity.
• Jointing pipelines securely to prevent leaks.
• Lowering pipelines to required depths.
• Testing the pipeline system for leaks and pressure.
• Ensuring compliance with all safety and quality standards.

The process involves:

1. Site survey and marking pipeline routes.
2. Procurement of pipes and fittings.
3. Excavation and trenching.
4. Laying and jointing pipelines.
5. Backfilling and compaction.
6. Pressure testing and commissioning.

The project specifications are detailed in the tender documents, including pipe materials, jointing methods, and testing procedures. The work must adhere to the Gujarat Water Supply standards and project timeline.

The technical specifications include:

• Pipeline material: HDPE conforming to IS 14333.
• Diameter: as detailed in the tender drawings.
• Jointing: Fusion welding with approved equipment.
• Pressure rating: Minimum 6.3 MPa.
• Testing: Hydrostatic pressure test at 1.5 times the working pressure.

Procedures:

• Prepare trench according to specifications.
• Lay pipes ensuring proper alignment.
• Joint pipes using fusion welding.
• Conduct pressure tests and record results.
• Backfill trenches with approved material.

The estimated project cost is approximately ₹23,70,191. Bidders should submit their financial proposals based on the detailed payment schedule available in the tender documents. The payment will be made in installments linked to project milestones, including mobilization, pipeline laying, testing, and completion. The tender fee of ₹900 is non-refundable. The bid must include detailed cost breakdowns for materials, labor, equipment, and overheads. All financial proposals should be valid for 120 days from the bid submission deadline. The successful bidder will sign a contract based on the bid amount, with provisions for variations as per contract terms.