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 work encompasses demolition, trenching, pipe installation, valve and actuator installation, testing, commissioning, spare‑parts provisioning, and final close‑out documentation. The contractor must hold the appropriate South Carolina WP license, provide traffic control, maintain 24‑hour emergency response, and comply with extensive quality‑control, safety, and environmental requirements. Project schedule allows 510 days to substantial completion and 540 days to final completion, with liquidated damages of $1,000 per day for delays. The contract includes warranty obligations and post‑completion service provisions. • Scope: Filter underdrain and media replacement, valve (butterfly, gate, actuators) installation, associated piping, and related civil works. • Required licenses: South Carolina WP contractor licensing and any specialty trade licenses. • Deliverables: As‑built drawings, operation & maintenance manuals, spare‑part inventory, warranties, and one‑year performance warranty. • Schedule: Issue 9/11/2026, pre‑bid 9/24/2026 (virtual), questions due 9/28/2026, bid close 10/9/2026, 510‑day substantial completion, 540‑day final completion. • Evaluation criteria: Technical compliance, licensing, insurance, past performance, and ability to meet schedule and warranty terms.