RFP #01222026 Greenwood Cove Flood Study

The Marin County Flood Control and Water Conservation District seeks qualified consultants or consultant teams to conduct a comprehensive flood‑study for Greenwood Cove, evaluating existing storm‑drain conditions, performing hydraulic modeling, and developing practical, cost‑effective flood‑reduction alternatives for the Town of Tiburon and adjacent unincorporated areas. The effort includes data collection, field inspections, topographic surveying, hydrologic/hydraulic analysis, alternatives development, stakeholder workshops, and a final technical report. • Assess existing drainage network, historic flooding, and perform detailed field inspections (CCTV, surveys, groundwater logging). • Develop calibrated H&H models (10‑year, 100‑year storms) and produce flood‑elevation maps. • Generate up to five flood‑reduction alternatives, evaluate them against cost, constructability, permitting, and lifecycle criteria, and present recommendations in a final study report. • Mandatory site‑visit on February 11, 2026; proposal due March 6, 2026; anticipated contract length ~12 months; budget not disclosed but comparable studies run several million dollars.