Landslide Repair - Fairfax
Fairfax, CA · Infrastructure
Project details
Geotechnical, soils, and landslide evaluation for emergency and planned repair work.

Geotechnical and Environmental Engineering
Brunsing Associates, Inc. is a geotechnical and environmental engineering practice based in Santa Rosa, California. It provides soil investigations, engineering geology, environmental site assessments, hydrogeologic analyses, and fire disaster response services across Northern California.
Caltrans Geotechnical Testing Laboratory Certification · Nuclear Gauge Operator Training · ACI Field Testing Technician Grade 1
Thomas P. Brunsing, Ph.D., P.E.President & Principal Engineer
Erik Olsborg, P.G., C.E.G.Vice President & Principal Engineering Geologist
Keith Colorado, P.E., G.E.Vice President & Principal Geotechnical Engineer
Josh KilgoreSenior Engineering Geologist
David StaffordStaff Geologist
Oren JudyLaboratory Manager & Field Technician
Michael L. SheltonField Technician
Carolyn SchertzerExecutive Assistant, Controller, & Office Manager
Marilyn ColoradoReceptionist & Accounting Assistant
Comprehensive engineering geology, soil analysis, and foundation design to address geological, construction, and environmental challenges.
Site-specific soil investigations, analysis, and geotechnical reporting for permitting and construction preparation.
Geotechnical analysis, monitoring, and design of mitigation measures for unstable slopes and landslide areas.
Design and planning of soil preservation and stormwater runoff mitigation strategies.
Geotechnical investigations and testing certified to satisfy Division of the State Architect requirements.
Geologic mapping, fault evaluation, hazard assessments, and terrain mapping.
Drilling, soil logging, and representative sampling to evaluate subsurface soil profiles.
Engineering design recommendations for shallow and deep foundation systems based on subsurface conditions.
Evaluation of earthquake hazards, liquefaction potential, and anticipated soil consolidation settlement.
Coastal geology assessments, bluff erosion studies, and stability analyses for coastal properties.
Impact analyses and projections for coastal assets subject to rising sea levels.
Laboratory and field evaluation of concrete, reinforcing steel, compaction, and nuclear density testing.
Expert witness services, forensic geotechnical investigations, and technical dispute consulting.
Due diligence, environmental assessments, remediation design, and hazardous material management.
Historical records reviews and intrusive sampling to identify potential environmental liabilities and contaminants.
Engineering of treatment systems and excavation plans for contaminated soil and groundwater cleanups.
Regular sampling and testing of water quality in monitoring wells and natural water bodies.
Evaluating soil gas and volatile organic compounds to prevent indoor air contamination.
Determining human health and environmental risks associated with site contamination.
Reclaiming, mitigating, and developing brownfield or historically contaminated properties.
Hydrogeologic reporting evaluates groundwater conditions for water supply and planning.
Assessment of recharge conditions and groundwater availability.
Evaluation support for domestic agricultural and industrial wells.
Reporting support for sustainable groundwater management requirements.
Post-fire response services evaluate geotechnical hazards and cleanup needs.
Assessment of post-fire slope and foundation risks.
Testing support for fire-damaged foundations.
Management support for regulated cleanup work.
Education · Rail · Bridges · Environmental & Remediation · Government · Highways & Roads · Hospitality · Transit
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Geotechnical, soils, and landslide evaluation for emergency and planned repair work.
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