Jackson County Airport Sewer Extension

The City of Jefferson is seeking sealed bids for the design‑build of an approximately 8,758‑ft, 8‑inch gravity sewer extension serving the Jackson County Airport. The work includes pipe installation (PVC and ductile‑iron), manhole construction, bedding (Class 5), utility coordination, erosion control, and compliance with federal DBE, Davis‑Bacon, and Build‑America/Buy‑America requirements. Bidders must acknowledge Addendum 1 and Addendum 2, and provide a 5 % bid bond. The contract will retain 5 % of each payment and has a construction timeline of 270 calendar days from notice‑to‑proceed. • Install 8‑inch pressure‑class sewer pipe (PVC and DIP) with associated manholes, fittings, and bedding. • Provide required testing (mandrel, low‑pressure air, vacuum, CCTV) and meet specific material substitutions (e.g., Rieber gasket, epoxy‑coated DIP). • Manage traffic control (one‑lane closures) and utility relocations at contractor’s expense; no reimbursements for EPD fees or pavement repairs. • Comply with DBE/MBE/WBE participation, Davis‑Bacon wage determinations, and Buy‑America mandates; retain 5 % of each progress payment.