Renovation of a water / sewer project in Woodland, California. Working plans call for the renovation of a water / sewer project.

**As of December 22,2025, “The owner has selected a Design Builder. A timeline for construction has not yet been established.” ** Questions Due 16/10/2025 The County of Yolo, Department of Community Services, Division of Integrated Waste Management (DIWM) is seeking proposals from consultants to provide engineering design and construction quality assurance services for the Yolo County Central Landfill (Landfill). Specifically, the County wishes to contract with consultants experienced in the following areas. Note, the County intends to award to multiple consultants; therefore, expertise in all the following areas is not a prerequisite for submitting a proposal: o Landfill base liner system design o Landfill and Class II surface impoundment construction quality assurance (CQA) o Landfill closure plans and cost estimates o Landfill gas design, including GCCS design, flare selection, and electrical/mechanical system design o Hydrogeology, groundwater modeling, control system design o Storm water pollution prevention plans o Engineering feasibility studies o Experience working with the Central Valley Regional Water Quality Control Board and Yolo Solano Air Quality Management District All work will be performed based on Task Orders developed for specific projects and on a time and materials, not-to-exceed basis. The County anticipates awarding professional services agreements to the successful proposers in December 2025.