Foundations

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Aspect’s foundation design support services give you the design criteria to build stable structures. We evaluate site soil, groundwater, drainage, and seismic features and develop foundation designs suited to site conditions. Our design recommendations have helped construct building foundations for residences, public buildings, heavy vehicle sites, large municipal stormwater facilities, and bridges and culverts in a variety of soils.

• Ground improvement
• Pile designs
• Liquefaction analysis and mitigation
• Underpinning
• Deep foundations

Selected Foundation Projects

Fueling Facility Seismic Stabilization, South Seattle
Evaluated seismic hazards and designed deep foundation system to support heavy-vehicle fueling facility in challenging soils.

Seattle City Light South Service Station, Seattle
Designed deep foundation and dewatering criteria for building renovation in complex soil and groundwater conditions.

Washington Harbor Estuary Utility Bridge, Seqium
Analyzed liquefaction hazards and designed pile foundation for bridge replacement that will restore hydraulic continuity and enhance estuary habitat.

Madison Valley Stormwater Storage Project, Seattle
Analyzed geology and developed deep foundation design criteria for 1.3 million-gallon stormwater storage tank.

Foundation Underpinning Projects, Puget Sound
Assessed failing foundation systems and provided design criteria for variety of residential and commercial underpinning projects.