CTH EE Culvert Rehabilitation

The Outagamie County Highway Department awarded a contract to rehabilitate an existing 64‑inch × 43‑inch metal arch culvert (approximately 82 linear feet) using a UV‑cured glass‑reinforced‑plastic (GRP) cured‑in‑place pipe (CIPP) liner. The scope includes design calculations, material procurement, site preparation, liner installation, curing, quality‑control testing, and post‑installation CCTV inspection, with full responsibility for mobilization, traffic control, and environmental compliance. The contract is a unit‑price bid measured per linear foot, with a total awarded value of $93,100, and the work must be completed by late September 2025. • Primary work: Install a UV‑GRP CIPP liner (64″ × 43″ arch pipe) over 82 LF of existing culvert. • Requirements: ASTM‑based material specs, minimum 5 years experience, detailed QC plan, design calculations submitted 14 days before material delivery, and performance/bond guarantees. • Procurement: Competitive sealed‑bid (full open competition), pre‑qualification by WisDOT, unit‑price pricing, single‑vendor award to Subsurface, Inc.