Duff and Biomass Removal / Soil Surface Preparation

The contract involves the removal of organic debris, specifically the duff layer, down to bare mineral soil without exceeding a depth of two inches. This work requires thorough raking and sweeping to ensure complete removal of surface organic material, followed by the hauling of all collected biomass away from the site. The activity is part of soil surface preparation, likely aimed at creating a clean, stable base for subsequent construction or land management activities. All operations must adhere strictly to the specified depth limitation to prevent damage to underlying soil structure or ecological systems. This subcontract is issued under the NAICS code 562910, which pertains to remediation and other waste management services, and is associated with Caltrans, District 11 in San Diego, California. The solicitation was posted on June 1, 2026, and while no set-aside information or point of contact details are provided, the work is expected to occur within the jurisdiction of the California Department of Transportation. The project can be referenced through the provided online link for additional documentation or tracking purposes.