Landfill Gas Well Aggregate Supply

The County of Sacramento Department of Waste Management and Recycling is seeking a subcontractor to supply specified well aggregate for annular backfill in landfill gas wells. The material must meet strict gradation requirements, consisting of 100 percent passing a 2-inch sieve and no more than 5 percent passing a 3/8-inch sieve, ensuring proper engineering performance for well isolation and structural support. The aggregate is intended for use at a designated landfill site in Sloughhouse, California, with the delivery and placement obligations tied to operational needs at the facility. This solicitation is open for responses until July 23, 2026, and the procurement is classified under NAICS code 214700, indicating it falls within the support activities for mining sector. The contract will be managed under the authority of the county’s waste management division, with performance expectations centered on material compliance, timely delivery, and adherence to site-specific technical standards.