Description
The County of Marin is soliciting bids for Phase 1 of the Civic Center Green Stormwater Infrastructure Project, which will construct two bioretention systems to treat runoff from campus parking lots, perform associated earthwork, demolition of existing curbs and pavement, install new storm‑drain piping, and provide a recycled‑water irrigation system with landscaping, boulders, and hydro‑seeding. The contract requires a Class A contractor and a C‑27 irrigation license, 10 % bid security, and compliance with prevailing‑wage, CARB diesel‑fleet, and debarment certifications. The work must be completed within 50 working days after notice to proceed.
• Scope includes bioretention basin construction, excavation, grading, concrete removal, asphalt removal, storm‑drain pipe installation, and irrigation layout.
• Mandatory pre‑bid site walk on July 1 2026 (second optional walk July 13 2026) at the Civic Center “pan‑handle” parking lot.
• Bid deadline July 16 2026 5 p.m. EDT; questions due July 6 2026.