Government Tender for Water Pipeline Replacement by Gujarat Water Supply & Sewerage Board

The scope of work includes:

• Removal of existing 355 mm HDPE pipeline in the specified section.
• Installation of new 350 mm DI Pipe as per technical specifications.
• Surface preparation and trench excavation for pipeline laying.
• Backfilling and compaction to ensure pipeline stability.
• Connection to existing water network with appropriate fittings.
• Testing and commissioning of the new pipeline to ensure leak-proof operation.

The process involves the following steps:

1. Site survey and marking of pipeline route.
2. Excavation of trenches to specified dimensions.
3. Removal of old pipeline and disposal as per environmental guidelines.
4. Laying of new DI Pipe according to approved drawings.
5. Connection and jointing of pipeline sections.
6. Pressure testing and quality checks.
7. Backfilling and restoration of surface.
8. Final inspection and commissioning.

Bidder must ensure compliance with all technical standards and safety regulations. The project must be completed within the stipulated 2 months, adhering to the quality and safety benchmarks specified in the tender documents.

The pipeline to be installed must conform to IS 4984:2016 standards for DI pipes. The pipes should have a pressure rating of PN 8 or higher. The trench dimensions should be 1.0 m depth and 0.6 m width, with bedding as per manufacturer specifications. All joints must be tested for leakage and conform to IS standards. The pipeline must withstand operational pressures and environmental conditions typical of Gujarat's climate. Sequential procedures:

• Confirm pipeline specifications and procurement.
• Prepare trench as per technical drawings.
• Lay pipes ensuring alignment and gradient.
• Perform jointing and pressure testing.
• Backfill with approved material and compact.
• Conduct final inspection and commissioning.

Technical parameters:

All technical procedures must adhere strictly to the specified standards and safety protocols.

The estimated project cost is approximately ₹3,67,462.12. Bidders are required to submit a bid security (EMD) as specified in the tender documents, which is mandatory for bid submission. The financial bid should include detailed cost components such as material costs, labor, transportation, and overheads. Payment terms are typically linked to project milestones, with an initial mobilization advance and subsequent payments upon completion of specified stages. The bid evaluation will consider cost competitiveness alongside technical compliance. The bid submission must include a breakdown of costs in the prescribed format, ensuring transparency and accuracy. The total bid amount should not exceed the estimated project value, and all financial documents must be duly certified and submitted before the deadline.