Kiefer Landfill- Module 5, Phase 1 Liner Construction

The Kiefer Landfill Module 5, Phase 1 Liner Construction project, solicitation number 4711, is a sealed bid construction contract issued by the Sacramento County Department of Waste Management and Recycling. The project involves the installation of a multi-layer base liner system across approximately 24 acres, utilizing HDPE geomembranes, geosynthetic clay liners, and geotextiles. The scope of work includes the construction of a leachate collection and removal system, side slope riser piping, surface water drainage structures, the extension of a perimeter access road, and the installation of various utility alignments for electrical power, landfill gas, and leachate force mains. The estimated construction cost is 29 million dollars, which includes a 500,000 dollar incentive bonus for completion and field acceptance by March 15, 2028. The contract requires a Class A General Engineering Contractor to complete the work within 350 working days. Bids must be submitted electronically via the Sacramento County Electronic Bidding Portal by October 29, 2026, at 2:00 pm. Award eligibility is based on the lowest qualified, responsive, and responsible bidder, with prequalification conducted via the DIR questionnaire. The successful bidder must provide bid security of at least 10 percent and execute performance and payment bonds for 100 percent of the contract price. Compliance requirements include adherence to California prevailing wage laws, CAL-OSHA regulations, and federal non-discrimination standards under Title VI of the Civil Rights Act and FHWA-1273. Quality assurance is strictly managed through a dedicated CQA plan, requiring that materials not be covered by subsequent layers until the County Engineer accepts the quality control test results.