BSK Associates in a 100 percent employee-owned consulting firm providing geotechnical engineering, environmental consulting, materials testing/special inspection, and analytical chemistry services. Founded in the Central Valley in 1966, BSK has locations throughout California and Washington.

Geotechnical Engineering

Our Geotechnical Engineers, Professional Engineers, Professional Geologists and Certified Engineering Geologists perform services on many projects, including but not limited to:

• Landslide/slope/roadway instability
• Eroding/failing creek bankrepair
• Road/Bridge/Interchangeprojects
• Retaining wall construction andrepair
• Peer review and consulting
• Use of light weight fill
• Slope protection/construction/repair
• Pavement subgrade improvement projects, including soil stabilization

Engineering Geology

BSK’s Certified Engineering Geologists perform many types of services, including but not limited to:

• Assessments for hillside grading
• Subsurface drainage design
• Landslide repair and mitigation
• Planning and implementing geologic and geomorphic mapping and analyses
• Geologic/seismic hazard evaluation and site-specific ground motion analysis
• Surface fault rupture hazard studies
• Fault evaluation report peer review
• Slope stability and erosion evaluation

Environmental Consulting

Our variety of environmental experts including engineers, geologists, hydrogeologists, engineering geologists, planners, GIS specialistswork together on environmental projects such as:

• Environmental / Hazardous materials permitting and regulatory compliance
• Phase I and II Environmental Site Assessments
• Environmental / Groundwater monitoring
• Remediation system feasibility studies, design, operation and monitoring
• Water supply analysis
• Solid waste consulting services
• Brownfields revitalization consulting

Materials Testing/Special Inspection Services

Technical staff workunder the direction of Professional Engineers. BSK’s soils and materials laboratories are certified by agencies including:Caltrans,DSA/LEA, OSHPD, USACE, AASHTO, and AMRL.

BSK maintains AASHTO/Caltrans-approved laboratories in Livermore, Fresno and Bakersfield. Standard tests that our materials laboratories can perform in accordance with ASTM and California Test Methods include:

• Soil, Aggregate, Asphalt
• Concrete
• Masonry
• Structural Steel
• Reinforcing Steel

Analytical Chemistry Services

BSK’s Analytical Division is accredited by TNI to perform environmental analyses.  BSK is accredited in all six fields of testing for drinking water, all five fields of testing for waste water and all five fields of testing for hazardous waste for Inorganics, Organics, Radiochemistry, Microbiology and Disinfection. BSK is certified to perform all analytical methods for UCMR4 and EPA Method 537 for PFAS.