Professional Maintenance and Asset Management of Water Storage Tanks

Dorchester County, South Carolina is seeking a qualified firm to provide comprehensive professional maintenance and asset‑management services for its ten potable‑water storage tanks (total capacity ~4.5 million gallons). The contractor will be responsible for inspection scheduling, annual visual inspections, interior cleaning, disinfection, coating (interior & exterior), structural repairs, safety & security upgrades, emergency response, and ongoing asset‑management reporting over a five‑year contract term. Services must comply with AWWA, OSHA, and South Carolina environmental regulations and be coordinated with the County’s Water & Sewer department. • Perform annual visual inspections and detailed condition‑assessment reports for each tank. • Conduct interior wash‑outs, bio‑film removal, NSF‑approved chemical disinfection, and pressure‑wash cleaning. • Provide coating evaluation, surface preparation, and recoating (interior & exterior) using approved manufacturers (e.g., Tnemec, Sherwin‑Williams). • Execute structural repairs, foundation work, hardware replacement, and safety‑device installations as needed. • Develop and maintain a multi‑year maintenance and renovation schedule, including outage coordination and fire‑flow considerations. • Offer 24‑hour emergency response capability and submit written proposals for any non‑routine work. • Deliver all reports, photographs, and documentation electronically; maintain records as County property.