Caltrans is seeking qualified firms to provide on‑call hydraulic engineering services for District 04 on an as‑needed basis. The work will be performed via task orders covering project development, design support, and construction‑phase assistance for transportation projects throughout nine Bay‑Area counties. The contract is estimated at $8 million‑$13 million, with a three‑year term, a 10 % profit fee, and standard escalation rates. Firms must meet DBE/DVBE participation goals, prevailing‑wage registration, and a suite of compliance requirements (civil‑rights certification, nondiscrimination plan, workforce analysis, etc.). The solicitation includes an interview on June 23 2026 and a final cost‑proposal deadline of August 11 2026 after the SOQ submission deadline of June 8 2026.
• Provide hydraulic modeling, flood‑plain studies, fish‑passage design, PS&E drafting, and construction‑phase support for Caltrans projects in Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma counties.
• Excludes bridge‑scour analysis, pier‑specific hydraulic reports, and any information‑technology services.
• Mandatory compliance: DBE/DVBE goals, DIR prevailing‑wage registration, civil‑rights certification (for contracts ≥ $100 k), nondiscrimination plan (≥ 50 employees), and workforce analysis.
• Key dates: RFQ posted May 6 2026; SOQ due June 8 2026; interview June 23 2026; negotiations week of July 30 2026; final cost proposal August 11 2026.