Excavation and Backfill Services for Underground Infrastructure in Arlington, WA

The contract involves providing comprehensive excavation and backfill services for underground infrastructure near 132nd Street NE in Arlington, Washington, with an estimated value of $150,000. The scope includes excavating a 24-inch wide by 12-inch deep notch at the bottom of an existing trench that is at least 40 inches deep, extending approximately 7,500 feet in length. After the installation of conduit spacers and two 6-inch PVC conduits by the District, the contractor is responsible for backfilling the notch using a high-strength, red-dyed fluidized thermal backfill (FTB). The work must be performed by contractors who are currently listed on the District’s Small Works Roster and are prequalified under category B-1 for underground line construction, specifically for distribution and 12kV voltage systems. Bidding for this project is open until July 31, 2025, with the solicitation posted on July 23, 2025. All questions or requests for clarification must be submitted via email to the District’s designated contact at [email hidden], as responses through other communication channels are not guaranteed. The project is managed by the Snohomish County Public Utility District, and interested contractors can access additional bid details through the provided online link. The work is part of a larger effort to upgrade underground electrical infrastructure, requiring specialized skills in trench excavation, conduit installation, and thermal backfill application.