Gujarat Urban Development Company Ltd Tender for Underground Drainage & Sewage Treatment Plant Construction

• Conduct detailed working surveys and soil investigations for the Bavla UGD and STP project.
• Prepare detailed project design including layout, hydraulic calculations, and technical specifications.
• Supply and lay rising mains and gravity pipes for sewer collection.
• Construct sewage pumping stations (SPS) with all associated mechanical and electrical works.
• Supply, erect, test, and commission pumping machinery.
• Execute road restoration and electrical work as per project specifications.
• Install and commission the 14.00 MLD Sewerage Treatment Plant including all civil, mechanical, electrical, and instrumentation works.
• Provide operation and maintenance services for 2 years for UGD and 7 years for STP, including a 3-year defect liability period.

1. Mobilize resources and set up site infrastructure.
2. Complete soil investigations and submit reports.
3. Finalize detailed design and obtain approval.
4. Execute civil and mechanical works.
5. Test and commission all systems.
6. Hand over operational facilities to GUDC.
7. Provide post-commissioning operation & maintenance for stipulated periods.

The project requires adherence to IS standards for sewer pipes, pumps, and electrical systems. The sewer pipes should be of high-density polyethylene or ductile iron as specified. The STP should include primary, secondary, and tertiary treatment units conforming to CPCB norms. Mechanical equipment such as pumps and blowers must be energy-efficient and rated for continuous operation. Electrical systems should comply with IS and IEC standards, including backup power arrangements. The construction shall follow approved drawings, with sequential execution for civil, mechanical, and electrical works. The following table summarizes key technical parameters:

Sequential procedures include mobilization, soil testing, detailed design approval, civil construction, mechanical installation, system testing, commissioning, and handover.

The estimated project cost is Rs. 394.52 crore. Bidders must submit a bid security (EMD) as per tender guidelines, with the amount specified in the tender documents. The financial proposal should include detailed cost breakdowns covering civil works, mechanical equipment, electrical systems, and operational expenses. Payment terms are linked to project milestones, with an initial mobilization advance, progress payments, and final settlement after completion. The bid validity is 180 days from the bid submission deadline. The detailed cost table is as follows:

Bidders must comply with all financial and contractual terms outlined in the tender documents.