Site work and paving for a bridge / tunnel in Seattle, Washington. Completed plans call for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

The work consists of excavation and local haul of between 175,000 and 300,000 CY of material from the White River Restoration project to the adjoining northern parcel in Sumner, Washington. There are three potential excavation areas, one north of the existing Cascade Water Alliance tailrace, and two south of the tailrace. Not all excavated materials will be suitable for export. Only materials with acceptably low amounts of organic materials will be exported. Unsuitable material will be stockpiled near the point of excavation. Work consists of mobilizing to the work area, excavating and temporary stockpiling of spoils, developing stable haul routes, improving the existing 148th Bridge or providing a temporary bridge, hauling of suitable soils to the stockpile locations, temporary erosion and sediment control, and site clean-up. The Contractor will be responsible for maintaining temporary erosion and sediment control systems throughout the winter of 2024 to 2025. All work shall be completed in conformance with the contract documents, 2024 WSDOT Standard Specifications for Road, Bridge and Municipal Construction, the current version of the Manual on Uniform Traffic Control Devices (MUTCD), and the City of Sumner Development Specifications and Standard Details. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. The improvements for which bids will be received are described as follows: This contract provides for the excavation and local haul of between 175,000 and 300,000 CY of material from the White River Restoration project to the adjoining northern parcel in Sumner, Washington. There are three potential excavation areas, one north of the existing Cascade Water Alliance tailrace, and two south of the tailrace. Not all excavated materials will be suitable for export. Only materials with acceptably low amounts of organic materials will be exported. Unsuitable material will be stockpiled near the point of excavation. For technical questions, please call Doug Beagle, Development Services Director for the City of Sumner, at 253.299.5715 or Robert Wright, Project Manager, 253.299.5708. Each proposal shall be submitted in a sealed envelope, with the Project Name and Project Number as stated in the Call for Bids clearly marked on the outside of the envelope, or as otherwise required in the Bid Documents, to ensure proper handling and delivery.