Material Supply – Earthen Fill and Soil

The contract calls for the supply of native soil or clay-based earthen fill materials specifically for filling voids in tunnel systems located across multiple park sites managed by Tucson Parks and Recreation. The materials must comply with strict compaction requirements to ensure structural stability and meet environmental standards to prevent contamination or ecological disruption. All supply requirements are tied to the precise engineering specifications necessary for safe and durable tunnel backfill applications within public park lands. The subcontract is open for responses with a deadline of July 29, 2024, and is classified under NAICS code 214990 for other support activities for mining. The work is to be performed in Arizona, with no specific city or address detailed, but the materials will be delivered to and used at designated park locations under the jurisdiction of the Tucson Parks and Recreation department.