100291 - Scoggins Valley Road MP 7.5 Slide Stabilization

The project name is: 'Project Title . The work to be done under this contract consists of the following in Washington County, Oregon: This project consists of reconstructing the roadway, constructing a tieback soldier pile retaining wall with concrete fascia, and replacing an existing culvert on SW Scoggins Valley Road in Washington County. This project will utilize open excavation techniques for removal and installation. Associated activities include traffic control, protection of wildlife, plants, and waterways, drilling for pile installation and tieback anchor installation, earthwork, ACP paving, and revegetation. Single lane road closures will be allowed on this project. All work except for seed establishment is to be complete by January 31, 2023. For this project, perform additional and incidental Work as called for by the 2018 Standard Specifications, these Special Provisions, Typical Drawings, and Plans. 1. Install, maintain, and remove temporary traffic control and erosion control measures. 2. Perform all removal of culverts, structures and obstructions. 3. Install new 24 inch culvert. 4. Install stormwater pipe and inlets. 5. Construct roadway improvements including aggregate base and ACP asphalt. 6. Install guardrail. 7. Install soldier pile retaining wall. 8. Install permanent striping 9. Perform additional and incidental Work as called for by the Specifications and Plans. The Project cost range is 'Project Cost Range .