CMAR Household Hazardous Waste Facility Proj.

The County of Sonoma is requesting proposals for Construction Manager at Risk (CMAR) services for a Household Hazardous Waste Facility Project, with proposals due September 8, 2026 at 10:00 a.m. Pacific Standard Time and a mandatory pre-bid conference and site walkthrough on July 30, 2026 from 1:00 p.m. to 2:00 p.m. — failure to attend disqualifies proposers. The County is procuring on behalf of Sonoma County Waste Management Agency (Zero Waste Sonoma).

The scope includes preconstruction phase services, bid package preparation, scheduling, cost control, value engineering, and construction phase services for the facility located at 5885 Pruitt Avenue in Windsor, California. All work is subject to California Prevailing Wage Laws under California Labor Code Sections 1720 et seq. and 1770 et seq.

Proposers must submit a lump sum bid amount of $0.01 in the bidding portal, with the County evaluating proposals based on actual costs detailed in the proposal documents. No estimated contract value is stated separately. Technical questions are due by 5:00 p.m. on August 6, 2026. An addendum will be posted on August 14, 2026. Proposals may be submitted via the County of Sonoma's Supplier Portal, hard copy, or thumb drive, addressed to Sonoma County Public Infrastructure, 400 Aviation Boulevard, Suite 100, Santa Rosa, CA 95403. Technical inquiries should be directed to Ariana Catalinotto, Senior Project Specialist, at ariana.catalinotto@sonomacounty.gov. Proposers must accept the County's Terms and Conditions, and all required documentation must be uploaded to the Supplier Portal.