# San Bernardino County ePro #PWG127-SOLID-6580

San Timoteo Landfill Unit 2 Phase 5-2 Liner Construction and Site Improvements

**Posted:** October 27, 2026
**Respond By:** November 12, 2026
**Identifier:** PWG127-SOLID-6580
**NAICS:** 237990, 562212

San Bernardino County is soliciting bids for a major landfill liner and site-improvement project at San Timoteo Sanitary Landfill in Redlands.
- **Buyer:** San Bernardino County Department of Public Works, Solid Waste Management Division; the work is for the Division’s landfill operations.
- **Scope:** Build the Unit 2 Phase 5-2 landfill cell, including large-scale excavation and buttress construction; a composite liner and leachate collection and removal system (LCRS); drainage, access roads, fencing, landfill-gas and fire-water systems; electrical work; and site structures and improvements.
- **Named OEMs and products:** **Poly Processing** upright slope-bottom IMFO leachate tanks; **Carbtrol** G1-S activated-carbon canister; **Grundfos** LC 30127 effluent pump; and **Zoeller** D163 sump pumps. The plans specify approved equivalents for the Carbtrol, Grundfos, and tank equipment; the Zoeller model is specified in the plan summary.
- **Quantities and specifications:** The detailed schedule includes two 11,800-gallon tanks and two associated pumps, plus two D163 sump pumps. It also calls for a 200 GPM at 28 ft TDH effluent pump, extensive HDPE pipe and drains, and liner materials covering up to 600,000 square feet on slopes. See line items for the complete listed quantities.
- **Notable requirements:** California Class A contractor license; California prevailing-wage determinations apply. The effluent pump must use stainless-steel components or other materials suitable for corrosive leachate. Completion is required within 350 working days after commencement, with specified survey and access-road milestones.
- **Other named vendors:** No resellers or distributors are identified. The attached wage determinations are from the California Department of Industrial Relations.
- **Performance:** Work is anticipated to start in early 2027; the specified construction period is 350 working days from commencement. No option years or subscription term are identified.

### Description

San Bernardino County is seeking bids for construction of the Unit 2 Phase 5-2 liner at the San Timoteo Sanitary Landfill in Redlands, California. Work includes grading and excavation, unclassified fill and stockpiling, installation of a composite liner and leachate collection and removal system, and civil, drainage, landfill gas, stormwater, road, and fence improvements. A mandatory pre-bid meeting and job walk are scheduled for November 4, 2026; bidders must attend both and bring a safety vest, hard hat, and working boots. The project requires a State Contractors A License, and bids are due November 12, 2026.

[View original listing](https://epro.sbcounty.gov/bso/external/bidDetail.sda?docId=PWG127-SOLID-6580&external=true&parentUrl=close)