The California Department of Transportation is seeking a qualified consulting firm to conduct a comprehensive flood‑resilience study for the western side of the Salton Sea (State Routes 78 & 86) covering Imperial and Riverside Counties, including tribal lands. The scope includes existing‑conditions analysis, public and tribal engagement, hydrology and hydraulic modeling (HEC‑HMS, SRH‑2D), climate‑resilience assessments, and development of adaptation strategies and design concepts. The contract is a fixed‑price, non‑negotiated agreement with a ceiling of $700,000, expected to run from January 26 2027 to April 3 2029. Key milestones involve a kickoff, quarterly reports, multiple modeling drafts, and a final presentation to Caltrans executives.
• Deliverables: reports on existing conditions, public‑tribal engagement plans, hydrology/hydraulics analyses, adaptation concept master list, draft and final modeling reports, and a final presentation.
• Required expertise: flood‑risk/hydrology modeling, SRH‑2D floodplain analysis, stakeholder engagement (including tribal), climate‑impact assessment, and transportation engineering.
• Mandatory compliance: small‑business participation, civil‑rights certifications, GenAI disclosure, and organic waste recycling.