Emery & Sons was responsible for the construction of Kinsman Road between SW Barber Street and Boeckman Road. Major items of work included Temp Diversion of an existing stream, Installation of a 78” Casing and Construction of a CIP Box Culvert within a Regulated Work Area, 9,241 CY of Foundation Excavation, 25,238 CY of Embankment in Place, 17,357 CY of Stone Embankment, 8,116 CY of Overexcavation, 5,872 LF of 6” – 36” Sanitary/Storm Sewer, 19 EA Sanitary/Storm Manholes, Extensive Dewatering for Waterline and Sanitary Sewer Installation, 4,618 Ton of Aggregate Base, 12,852 SY of 11.5” Doweled Plain Concrete Pavement, 6,203 LF of Curb & Gutter, 43,262 SF of Concrete Walks, 1,118 SF of 4 Inch Concrete Surfacing, 4,699 SF of 6 Inch Concrete Surfacing, Roadway Striping, Permanent Signage, Roadway Lighting, 10 EA Water Quality Swales, Landscaping, Fencing, and 2,931 LF of 66-Inch Welded Steel Water Transmission Pipe.
Challenging aspects of the project included working within an active wetland site, high groundwater table, soft/saturated soils comprised of clays and peat, and working within a regulated work area.
Once completed, this project will provide continued access on Kinsman Road between SW Barber Street and Kinsman Road. In addition, great efforts were made during the design process to facilitate movement of wildlife through the project. This project will definitely be a showpiece for the City of Wilsonville.
Engineer: OBEC Consulting Engineers
Location: Wilsonville, Oregon
Completion Date: 2018