Government Tender for Providing & Laying 250mm Diameter R.C.C NP3 Drainage Line in Surat

The scope of work includes:

• Site survey and preparation for pipeline installation.
• Procurement of materials such as R.C.C NP3 pipes, fittings, and accessories.
• Laying of 250mm diameter R.C.C NP3 class drainage pipes along designated internal roads.
• Ensuring proper alignment and gradient as per technical specifications.
• Jointing and testing of pipeline sections for leak-proof performance.
• Backfilling and compaction to restore the road surface.
• Final inspection and commissioning of the drainage line.

The process involves the following sequential steps:

1. Site clearance and marking.
2. Excavation of trenches as per approved drawings.
3. Pipe laying and jointing.
4. Testing of pipeline integrity.
5. Backfilling and surface restoration.
6. Final quality checks and handover.

All work must comply with applicable Indian standards and Surat Municipal Corporation guidelines.

The technical specifications require the use of R.C.C NP3 class pipes with a diameter of 250mm, suitable for urban drainage. The pipes must conform to IS 458-2003 standards. The laying process involves precise alignment, jointing using approved methods, and pressure testing for leak-proof performance. The pipeline should withstand the specified load conditions and environmental factors. Sequentially:

• Excavation as per approved drawings.
• Pipe installation with proper bedding and support.
• Jointing using rubber gaskets or cement joints as per standards.
• Hydrostatic testing to ensure no leakage.
• Backfilling with suitable material.

All work must adhere to safety and quality standards prescribed by the Surat Municipal Corporation.

The estimated project cost is INR 74,20,046.30. Bidders are required to submit a bid security deposit (EMD), which is typically 2% of the estimated cost, amounting to approximately INR 1,48,401. Bids should be submitted with a cost breakdown including material, labor, equipment, and overheads. The payment schedule will follow milestone-based releases:

• 10% advance upon contract signing.
• 40% after completion of pipe laying.
• 30% post-testing and inspection.
• 20% on project completion and handover.

All payments are subject to approval of work progress and compliance with contractual terms. The successful bidder must maintain financial transparency and provide necessary documentation for payments.