Slope Stability

Aspect assesses slope stability and designs slope structures for homeowners, municipalities, civil engineers, and developers. We help you evaluate natural and man-made slopes, restore access to roadways and residences, protect against seismic hazards, and stabilize sites impacted by erosion. Our geologic evaluations help meet permitting compliance while our geotechnical engineering services result in stable structures for a variety of site conditions.

Top/toe of slope setback assessment
Landslide hazard /stability analyses
Retaining wall and geosynthetic design
Pre-purchase reconnaissance

Selected Slope Stability Projects

Washington Boulevard, Kitsap County
Evaluated a landslide-damaged coastal road and provided design concepts to stabilize the roadway.

Wellhead Access Road Stabilization, Lake Forest Park
Designed a slope retention structure to allow heavy vehicle access to water district's emergency backup wellheads.

Rockaway Beach Road, Bainbridge Island
Providing ongoing geotechnical support to City to rehabilitate coastal road impacted by slope failure.

Forest Ridge Slope Stability Assessment, Kittitas County
Evaluated pre-existing 200-acre landslide to help private developer make design decisions for residential development.

Pre-Purchase Slope Stability Reconnaissance, Puget Sound
Investigated hundreds of slopes to help developers and homeowners evaluate property conditions before purchase.