Primary School at Frog Pond

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3J engineered a new 60,000-sf Wilsonville elementary school — coordinating on-site civil, stormwater, and ADA improvements alongside a simultaneous adjacent park project.

About this Project

3J provided site civil engineering, water resource engineering, and construction administration services for a new 60,000-sf elementary school on a 10-acre site in the Frog Pond Neighborhood of Wilsonville, directly adjacent to the new Frog Pond Neighborhood Park. The school serves pre-K through 5th grade with a 350-student capacity, and the master plan includes a future 15,000-sf addition that will expand capacity to 550 students. 3J’s scope included both on-site improvements and public street improvements for three surrounding streets. ADA ramp inspections and close coordination with the adjacent City-led park project under construction simultaneously were critical project components, requiring careful management of ADA connections and curb ramps at key intersections along the school’s south frontage.

  • Client

    West Linn-Wilsonville School District

  • Services

    • Civil Engineering
    • Water Resources
    • Construction Administration
  • Completion Date

    December 2025