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

Open State & local contract opportunity Posted

Solicitation number
PWG127-SOLID-6580
State
California
Responses due

Opportunity facts

Point of contact

Opportunity details come from constructionbidsource.com. Updated .

About this opportunity

San Bernardino County is soliciting construction contractors for Unit 2 Phase 5-2 Liner construction at the San Timoteo Sanitary Landfill in Redlands, California, with responses due November 12, 2026. The opportunity was posted November 1, 2026.

The scope covers grading, excavation, unclassified fill and stockpiling, and installation of a composite liner system and leachate collection and removal system. It also includes miscellaneous civil and drainage improvements, landfill gas infrastructure, stormwater management and compliance, and road and fence improvements. Contractors must demonstrate experience with complex landfill construction and familiarity with California environmental regulations. The project requires coordination with the California Regional Water Quality Control Board. Work must proceed in phases to minimize disruption to the active landfill, following scheduling and sequencing requirements in the project specifications. The specifications set out liner material, installation, and quality assurance requirements.

The project is funded through capital improvement appropriations and is intended to extend the operational capacity and environmental protection of the existing sanitary landfill.

Opportunity text

This project involves the construction of Unit 2 Phase 5-2 Liner at the San Timoteo Sanitary Landfill in Redlands, California. The scope of work includes grading, excavation, unclassified fill and stockpiling, installation of a composite liner system and leachate collection and removal system, construction of miscellaneous civil and drainage improvements, installation of landfill gas infrastructure, stormwater management and compliance, and road/fence improvements.

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