Overlay, Chip and Fog Seal S-228 Great Falls Area

Montana Department of Transportation (MDT) is seeking qualified contractors to perform pavement preservation work on the S‑228 corridor in the Great Falls area. The scope includes a full overlay using a 3/4‑in. commercial plant mix, cold milling, chip‑seal application, fog‑seal coating, and associated traffic‑control and quality‑control measures. The work is to be performed under prevailing‑wage requirements and must meet environmental and safety standards, including grizzly‑bear habitat protections. • Deliver and place approximately 10,914 tons of 3/4‑in. plant mix (Grade PG 58H‑34) for the overlay. • Perform cold milling (average depth 15 in.) and apply chip‑seal (≈ 111,026 sq yd) with Type 1 chips and CRS‑2P emulsified asphalt, followed by CSS‑1H fog‑seal. • Provide all required traffic‑control plans, flaggers, and environmental BMPs; comply with prevailing‑wage rates and submit required certifications (contractor registration, nondiscrimination, small‑business status). • Complete overlay work by August 31 2026 and chip‑/fog‑seal work by June 11 2027; submit sealed bids by May 5 2026.