Trenchless Sewer Mainline Rehabilitation

This subcontract for the City of Richmond Hill focuses on the structural rehabilitation of mainline sanitary and storm sewer systems. The selected contractor will work under prime contractors to execute trenchless lining of pipes located across easements and public highways, utilizing Cured-in-Place Pipe or similar approved systems to deliver leak-proof sewer mainlines. All materials used in the process must strictly adhere to NSF/ANSI 60 and 61 standards. The agreement includes a one-year guarantee covering both workmanship and materials to ensure the quality of the rehabilitation. Interested parties should note that the response deadline for this opportunity is November 5, 2026. The project falls under NAICS code 237110, emphasizing the specialized nature of the heavy civil engineering and sewer infrastructure work required.