The St. Clair County Road Commission is seeking a qualified contractor to perform wetland mitigation, lagoon excavation, embankment construction, tree removal, and site restoration at the Richmond Rest Area on I‑94. The work is divided into two stages, with strict environmental, traffic‑control, and safety requirements, including handling of non‑hazardous contaminated material and compliance with MDOT specifications. The contract is fixed‑price, includes a $50,000 mobilization ceiling, and requires a 5 % bid bond plus 100 % performance and labor‑material bonds.
• Core scope: 4,030 cubic yards earth excavation, 8,050 cubic yards embankment fill, 1,280 cubic yards contaminated material handling, and 11,700 square yards wetland slope restoration with native seed mixes.
• Environmental constraints: Seasonal tree‑removal window (Oct 1 – Apr 14), EMR (Eastern Massasauga Rattlesnake) protection, and mandatory reporting of any species sightings.
• Traffic‑management: No lane or shoulder closures; two W20‑16 trucks positioned 750 ft before the ramp; Maintenance‑of‑Traffic lump‑sum item.
• Deliverables: Complete excavation, drainage structures, riprap, stop‑log structures, seeding, and final site grading, all meeting MDOT Standard Specifications.