Final Cover System Installation

The contract involves the installation of a final cover system with a minimum 4-foot thickness designed to comply with Title 27 of the California Code of Regulations. The cover system must consist of soil, geomembrane, and geotextile layers, or an approved evapotranspirative alternative that meets regulatory standards for long-term containment and environmental protection. All materials and construction methods must be selected and implemented to ensure integrity, durability, and adherence to state-mandated environmental controls for waste disposal sites. The work is to be performed in Brea, California, with a zip code of 92823, under a subcontract arrangement classified under NAICS code 238990 for other construction-related services. The contract was posted on July 8, 2026, and is administered by Orange County Waste & Recycling, a division of the California state agency. Performance is limited to the specified location with no federal set-aside requirements indicated, and all work must meet the technical and regulatory benchmarks outlined for final cover systems to ensure safe closure and environmental compliance.