Graham Oaks Nature Park

Location
Wilsonville, OR
Owner

Metro

Architect

GreenWorks PC

Contractor

JP Contractors

Services/Project Type
Structural Engineering
Civil Engineering
Surveying
Stormwater Management
Bridges
Surface Water Management

KPFF provided civil and structural engineering services and surveying for design for this $1.4 million, 250-acre Metro regional park. Completed in 2010, park improvements included 1.25 miles of regional trail, over one mile of secondary trails, bridges, overlooks and a major gateway that provides parking, a restroom and a picnic shelter. The trail bridges were sited to span seasonal drainage channels and regulated wetlands. The trail system was integrated into a larger oak savannah restoration project in the park, led by Metro. The project integrates sustainable drainage approaches to address stormwater, including vegetated facilities in the parking area, pervious pavers in the parking stalls and flow dispersal strategies throughout the natural area and oak woodland habitat.

 

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