11/6/2025

This solicitation seeks qualified firms to provide comprehensive engineering design and construction quality‑assurance (QA) services for the Yolo County Central Landfill. The work will encompass the preparation of design documents, specification development, and on‑site QA oversight during construction activities to ensure compliance with regulatory and performance standards. The scope is focused on the landfill’s infrastructure, including leachate collection, gas handling, and surface‑water management systems. • Develop detailed engineering designs for landfill upgrades and new facilities. • Provide construction‑phase QA inspections, testing, and documentation. • Ensure compliance with California environmental regulations and county standards. • Coordinate with county officials, contractors, and environmental consultants. • Deliver final reports and recommendations for long‑term operation and maintenance.