WM4830-03 Canal WTP Filter Rehabilitation and Valve Replacements

The City of Columbia is seeking a qualified contractor to perform comprehensive filter rehabilitation and valve replacement work at the Canal Water Treatment Plant (WTP). The scope includes demolition, trenching, concrete work, metal fabrication, valve and actuator installation, pipeline testing, commissioning, and close‑out documentation for multiple filter units and associated piping. The contract requires the contractor to provide all labor, equipment, materials, traffic control, and 24‑hour emergency response capability, and to meet a 600‑day substantial completion schedule with a total project duration of approximately 630 days. The project is governed by South Carolina licensing requirements, includes liquidated damages of $1,000 per day for delays, and mandates extensive record‑keeping, warranties, and a one‑year post‑completion warranty. • Location: Canal WTP, Columbia, SC • Contract type: Invitation for Bid (IFB) – construction/rehabilitation • Estimated contract length: 630 calendar days (≈ 1.7 years) • Key tasks: filter underdrain replacement, filter media replacement, valve and actuator installation (butterfly, gate, resilient‑seated), pipe support, testing, commissioning, and final close‑out • Required licenses: South Carolina WP contractor license and any specialty trade licenses • Performance bonds, insurance, and warranties required • Submission deadline: 23 Oct 2026; pre‑bid Zoom meeting 24 Sep 2026 • No DBE requirements; standard liquidated damages apply.