Unit 2 Phase 5-2 Liner Construction Project At The San Timoteo Sanitary Landfill

The San Bernardino County Department of Public Works, Solid Waste Management Division, is soliciting bids for the Unit 2 Phase 5-2 Liner Construction Project at the San Timoteo Sanitary Landfill in Redlands, California. The project involves comprehensive construction activities including bench construction, subgrade preparation, liner installation, perimeter road construction, and drainage features. The contract will be awarded to the lowest qualified bidder who possesses a State Contractor's A License and provides evidence of corporate existence and the right to do business in California. Bids must be submitted by September 17, 2026, via the ePro portal or physical delivery to the Department of Public Works. The project must be completed within 350 working days from the Notice to Proceed, with a critical first milestone for the buttress excavation, subdrain, backfill, composite liner, and operations layer access road due within 155 working days. Access road improvements must be completed within 65 working days of the traffic switch. Contractors are required to adhere to 2024 Standard Specifications and Plans for Public Works Construction, as well as Caltrans standards. Mandatory requirements include California Air Resources Board certification, DIR registration, and the provision of faithful performance and labor and materials bonds. Quality control is the responsibility of the contractor, while a third-party CQA consultant will handle construction quality assurance and certification.