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Keller Group
Our team specializes in ground improvement, liquefaction mitigation, and deep foundation systems designed for the region’s challenging soil conditions and seismic hazards.
Based in Seattle, Keller supports projects across Washington, Idaho, and Alaska, as well as the broader Pacific Northwest. Our teams deliver geotechnical solutions for urban development, infrastructure, and waterfront construction across diverse site conditions.
Geotechnical expertise in Seattle
The Seattle region presents significant geotechnical challenges driven by its seismic setting and complex soil conditions. Keller’s local teams have experience addressing:
- Seismic hazards associated with the Seattle Fault Zone
- Liquefaction risks in saturated soils throughout the Puget Sound region
- Variable subsurface conditions shaped by glacial geology
- Urban and waterfront construction in constrained environments
Large earthquakes in the region can trigger widespread soil liquefaction, impacting infrastructure and foundation stability. These conditions require advanced geotechnical solutions to ensure resilience and long-term performance.
Key contacts
Mike Blanding, PE, is a Branch Manager at Keller North America.
Mike has nearly two decades of experience in geotechnical construction and operations leadership. He has been with Keller since 2006, overseeing project execution, client relationships, and regional growth. Mike holds a Bachelor of Science in Civil Engineering from the University of New Hampshire and is a licensed Professional Engineer in the state of Washington.
Adam Horton is a Pre-Construction Manager at Keller North America.
Adam leads estimating, proposal development, and preconstruction planning for complex geotechnical construction projects throughout the Pacific Northwest. His experience includes ground improvement, deep foundations, and other specialty geotechnical solutions. In his current role, he works closely with owners, engineers, and contractors to develop technically sound and cost-effective solutions for infrastructure, transportation, environmental, industrial, and commercial projects. Prior to becoming a Pre-Construction Manager, he held project management and operations roles within Keller.
Adam holds a bachelor's degree in civil engineering from Kennesaw State University.
Featured projects
Infrastructure
Elliott Bay Seawall Replacement
The Elliott Bay Seawall Replacement was one of the largest global jet grouting projects performed.
Infrastructure
Sound Transit Light Rail - Northgate Link Extension (Contract N125)
By accepting an alternate design concept by means of slurry walls, the project team saved on schedule.
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