Ada County Landfill Scrubber Tank Media Removal FY26

Ada County Procurement is seeking a contractor to perform a specialized media removal service at the Ada County Landfill in Boise, Idaho. The project involves removing spent DARCO BG1 granular activated carbon media from three hydrogen sulfide scrubber tanks (TK-611, TK-613, and TK-615) originally installed in 2014. Each tank contains approximately 1,385 cubic feet of media, a blue mesh netting layer, 230 cubic feet of drain rock, and a 10-inch gas extraction line. The contractor must remove and dispose of the media at the North Ravine Cell, located 2.75 miles from the tanks, and must stop at the landfill scale house to weigh the load. A mandatory site walkthrough was conducted on October 20, 2025, at 2:00 p.m., with quotes due by 4:00 p.m. on October 28, 2025, through the Bonfire online platform. The project requires the contractor to complete media removal within 30 calendar days after receiving a notice to proceed, with work permitted Monday through Friday between 7:00 a.m. and 5:00 p.m. Key qualifications include developing a comprehensive safety plan, providing personal protective equipment, treating tank entry as a confined space requiring an appropriate permit, minimizing media spillage, and providing daily updates to the Landfill Environmental Compliance Manager.

The procurement does not specify any set-aside designations or restrictions on responding organizations. The project does not fall under prevailing wage or Davis-Bacon requirements, and Ada County will not disclose the project budget. Contractors are responsible for their own safety equipment and lock-out/tag-out procedures. Each tank contains approximately 32,000 lbs of media and 30,000 lbs of 2-inch drain rock, and the tanks are constructed of fiberglass with PVC piping from 2014. The procurement requires contractors to fully clean the tanks with no liquid residue, with Ada County handling gasket replacement. A separate bid for new scrubber media is anticipated, though the type of media will not be limited to carbon. Contractors must execute a service agreement prior to beginning work and complete all tasks within the specified 30-day timeframe. Vendors are required to submit a Total Quote Amount online and complete a provided Signature Page as part of their proposal submission.