Our Services

Construction Management

  • Construction observation and testing

  • Quality assurance and control

  • Geotechnical instrumentation and monitoring

  • Construction observation of shallow and deep foundation systems and specialty innovation products

  • Fill compaction and site grading certifications, Mitigation of failures, and remedial construction recommendations

Geotechnical & Earthquake Engineering

  • Preliminary geotechnical and geologic evaluations, Geologic and seismic hazard studies

  • Geologic risk management and hazard mitigation analyses

  • Geotechnical site characterization and laboratory testing

  • Analysis design and recommendations

  • Site improvement and mitigation answers

Numerical Modeling & Soil Structure Interaction

  • State-of-the-art probabilistic earthquake ground motion analysis and development of time histories

  • Dynamic equivalent linear and nonlinear site response analysis

  • Non-linear dynamic soil-structure interaction analysis using state-of-the-art computer methods

  • Analysis of liquefaction and complex soil and rock mechanics

Types of Services

    • Pipeline and tunnel design and seismic assessment

    • Horizontal directional drilling (HDD) evaluations

    • Seismic impact analysis on underground utilities

    • Foundation and geotechnical support for large-scale infrastructure

    • Delta Tunnel Design and Construction Studies

    • Aqueduct 2 and 3 Pipeline Fragility Evaluations

    • Alameda/Oakland Inner Harbor HDD Pipeline Crossing

    • Mokelumne Aqueduct Interconnection Project

Pipelines, Tunnels, Large-Scale Water Infrastructure

Dam Engineering & Seismic Stability

    • Seismic stability evaluations and retrofits

    • Static and dynamic stability analysis (using FLAC, Slope/W, etc.)

    • Liquefaction and deformation modeling

    • DSOD and FERC compliance

    • Foundation investigations and slope stability assessments

    • Anderson Dam Seismic Retrofit Project

    • San Pablo Dam Seismic Stability Evaluation

    • Applegate Dam Seismic Stability Evaluation

    • Estates Dam, Dingee Dam, Central Dam, Argyle #2 Dam

    • Preston Fore Bay Dam, Henderson Reservoir Dam

Infrastructure Risk Management & GIS Integration

    • Dam instrumentation and data integration into GIS

    • Pipeline and aqueduct seismic risk mapping

    • Emergency response and disaster preparedness planning

    • Legislative review and compliance evaluations

    • Litigation support and expert geotechnical assessments

    • Dam Instrumentation Data Integration into GIS

    • DSOD Annual Dam Inspection & Instrumentation Improvements

    • Local Hazard Mitigation Plans (LHMP)

    • Pipeline Fragility & Liquefaction Hazard Mapping

    • Lawsuits, Claims, and Risk Management (Moraga Creek Stability, McKillop Landslide Claim)

Pumping Plants, Tanks, & Structural Foundations

    • Geotechnical investigations for water treatment plants and pump stations

    • Foundation design for tank replacements

    • Slope failure studies and mitigation planning

    • Seismic retrofitting of water infrastructure

    • San Pablo Clearwell Tank Replacement Study

    • Reliez Pumping Plant Slope Failure Study

    • Walnut Creek Water Treatment Plant Seismic Study

    • Round Hill Pumping Plant Design and Construction Support

    • Slope stability and landslide risk assessment

    • Fault rupture hazard evaluations

    • Groundwater flow and lateral spreading analysis

    • Soil-structure interaction studies for buildings and infrastructure

    • Fault Rupture Evaluation for WGSI Natural Gas Pipeline

    • Topanga Canyon Landslide Remediation

    • Mussel Rock Landfill Landslides

    • Lateral Spreading Analysis for Target Stores

Landslide, Slope Stability, & Fault Rupture Evaluation

"Engineering Excellence, Built on Precision and Trust."