IFB No. 6134-26C: FY2026 Trenchless Pipe Repairs

Charleston County, South Carolina has issued Invitation for Bid (IFB) No. 6134-26C for FY2026 Trenchless Pipe Repairs, seeking comprehensive infrastructure rehabilitation services across five subdivision locations: Woodside Manor, Heaton Place, Oak Island, Glendale, and Forest Lakes. The project involves repairing approximately 13,795 linear feet of drainage pipes, including Corrugated Metal Pipe (CMP) and Reinforced Concrete Pipe (RCP), utilizing Cured-In-Place Pipe (CIPP) rehabilitation techniques. Key deliverables include pipe cleaning, inspection, rehabilitation, and restoration, with the primary objectives of preventing sinkholes, preventing potential pipe collapse, and extending existing drainage infrastructure life. The project is scheduled for substantial completion within 270 calendar days from the Notice to Proceed, with final completion required within an additional 30 calendar days. Bid submissions are due on November 4, 2025, at 3:00 p.m. Eastern Time, with written questions accepted until October 16, 2025, at 5:00 p.m. Eastern Time. Evaluation will focus on lowest responsive and responsible bidder, with contractors required to comply with South Carolina Department of Transportation (SCDOT) standard specifications and various technical standards.

The procurement includes specific set-aside and participation requirements for small and disadvantaged businesses, mandating a 12.2% Small Business Enterprise (SBE) subcontract requirement and establishing a 25% Disadvantaged Business Enterprise (DBE) participation goal. Bidders must provide a 5% bid bond, performance and payment bonds, and comprehensive insurance coverage. The contract will be executed for a single fiscal year (FY2026), with unit pricing applied to actual quantities of work performed and monthly payments based on verified completed work. Charleston County reserves the right to increase or decrease contract quantities by up to 25% of the total contract amount. Contractors must be prepared to work within road right-of-ways and drainage easements, with specific requirements for accessing and rehabilitating infrastructure between residential properties. While specific budget ranges are not explicitly detailed, the comprehensive bid form suggests significant infrastructure investment, with pricing to be determined through competitive bidding. Successful contractors must demonstrate technical expertise in CIPP rehabilitation, including capabilities for inserting resin-impregnated flexible tubes and creating continuous, tight-fitting pipe liners with a 50-year design life.