WM4830-03 Canal WTP Filter Rehabilitation and Valve Replacements

The City of Columbia is soliciting bids for the complete rehabilitation of filters and replacement of valves at the Canal Water Treatment Plant (WTP). The scope includes demolition, concrete work, metal fabrication, valve and actuator installation, pipe work, testing, commissioning, and extensive close‑out documentation. The contractor must hold a South Carolina WP contractor’s license, provide all labor, materials, equipment, traffic control, and maintain 24‑hour emergency response capability. The contract period is 600 days for substantial completion and 630 days total, with liquidated damages of $1,000 per day for delays. The project includes warranty obligations for one year after final acceptance. • Full filter underdrain and media replacement • Installation of AWWA butterfly, gate, and resilient seated valves • Electrical actuator networking and commissioning • Traffic control, environmental protection, and adverse weather provisions • Detailed as‑built, record drawings, spare parts inventory, and warranty documentation.