Description
The Marin County Open Space District is seeking qualified contractors to design and construct a reinforced‑concrete retaining wall with CIDH pile support, cable rail, new culvert outfall, and associated grading and drainage improvements on the Old White Hill slope in Fairfax, CA. The project is funded by FEMA (Project No. 732641) and has an engineer’s estimate of roughly $468 k. Bidders must submit a sealed bid (or electronic bid via Bid Express) along with a 10 % bid bond, comply with prevailing‑wage rules, DBE goals (now removed by Addendum 1), and submit all required certifications (non‑collusion, debarment, etc.). The contract will be awarded within 30 days of bid receipt, with work to commence within 15 days of Notice to Proceed and be completed by 15 Oct 2026.
• Scope: 92‑ft reinforced concrete retaining wall, 24‑in CIDH piles, cable rail, culvert outfall, site grading, erosion control, utility protection.
• Required certifications: Non‑Collusion Affidavit, Debarement & Suspension, Equal‑Employment‑Opportunity, DBE (now waived), bid bond (10 %).
• Procurement: competitive sealed bid; electronic submission via Bid Express® or sealed paper bid to MCOSD administration desk.