Drainage and Infiltration/LID

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Aspect’s multi-disciplinary approach to drainage and infiltration projects help you protect property and development from surface water and shallow groundwater impacts. From residences to large construction sites, we evaluate soil conditions, hydrogeology, and engineering design to identify drainage hazards and design permit-compliant drainage systems. We effectively combine our geotechnical experience with our stormwater management and low impact development (LID) expertise to develop infiltration designs that efficiently filter runoff on-site and reduce off-site impacts to water quality, habitat, and property.

• Stormwater infiltration/LID
• Interceptor drains/French drains
• Regional infiltration feasibility
• Construction dewatering
• Wet foundations/crawlspace drains

Selected Drainage and Infiltration/LID Projects

Seattle Center Infiltration Geotechnical Support, Seattle
Evaluated soil infiltration and helped remedy underperforming bioretention soils at Seattle Center redevelopment projects.

Green Stormwater Infiltration Support, Seattle
Interpreting site-specific and regional geologic conditions to help Seattle Public Utilities reduce impacts from Combined Sewer Outfalls (CSOs).

Construction Dewatering Projects, Kitsap & King Counties
Developed dewatering approaches, including direction-drilled drains, to lower shallow groundwater conditions and increase stability of steep slopes at a variety of residential and public sites.