Kiefer Landfill- Module 5, Phase 1 Liner Construction

The County of Sacramento is soliciting sealed bids for the construction of a Section 5, Phase 1 liner system at the Kiefer Landfill (Module 5). The contractor must provide all labor, materials, equipment, and related services to install a complex multilayer liner system, including excavation, geosynthetic placement, pipe installation, and associated civil works, in strict compliance with county specifications, permits, and prevailing‑wage requirements. The award will be based on the lowest responsive bid (base‑bid only). • Scope includes site clearing, excavation, placement of engineered fill, installation of geotextiles, geomembranes, geosynthetic clay liners, HDPE pipe networks, drainage structures, and ancillary utilities. • Required licenses: California Class A General Engineering Contractor; CSLB registration and classification. • Mandatory pre‑bid meeting & walk‑through on Sept 8, 2026 (attendance required). • Bid bond, performance bond, and payment bond each at 100 % of contract price required. • Estimated contract value: $29 million; bid security 10 % of bid amount. • Submission via Sacramento County electronic bidding portal by Oct 8, 2026, 2 PM.