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Marshall A. Hayrikian, M.S., P.E.

Home » Archives for Marshall A. Hayrikian, M.S., P.E.
  • Remedial excavation crew removing contaminated soil from an urban construction site in Los Angeles, supporting environmental remediation, hazardous soil disposal, and site preparation for safe redevelopment.

    Geotechnical Engineering

    Remedial Excavations in Los Angeles: Contaminated Soil Guide

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  • Soil corrosivity testing in progress at a commercial construction site, where engineers perform field resistivity measurements and soil analysis to protect foundations, underground pipelines, and buried utilities from long-term corrosion and structural damage.

    Geotechnical Engineering

    Soil Corrosivity Testing: Protecting Foundations & Buried Utilities in Southern California

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  • Engineered hillside grading project in Southern California featuring erosion control systems, sediment barriers, slope stabilization, and stormwater drainage to protect against soil erosion and runoff.

    Geotechnical Engineering

    Erosion Control Design for Southern California Hillside in LA

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  • Environmental consultants performing field inspections and soil sampling at an active construction site to ensure regulatory compliance, environmental due diligence, and sustainable project development in Los Angeles.

    Environmental Engineering

    Environmental Compliance Consulting in Los Angeles: Staying Ahead of LA Regulations

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  • Post-fire home reconstruction in Los Angeles as engineers inspect a wildfire-damaged site, review building plans, and prepare a new residential foundation for a code-compliant rebuild under California's fire-resilient construction standards.

    Geotechnical Engineering

    LA Post-Fire Rebuild Permits: Step-by-Step Homeowner Guide

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  • Large-scale groundwater dewatering system supporting a deep excavation in Los Angeles, featuring engineered shoring, industrial pumps, drainage infrastructure, and geotechnical site preparation for safe basement and foundation construction.

    Environmental Engineering

    Dewatering System Design for LA Construction Sites

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  • Engineering geologists conducting an active fault investigation along a California hillside, using land surveying and geologic mapping to evaluate surface fault rupture hazards and ensure Alquist-Priolo Act compliance before residential development.

    Environmental Engineering

    Construction in a Fault Zone in California

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  • Environmental engineer collecting surface water samples at an active construction site to evaluate water quality, stormwater runoff, and regulatory compliance for infrastructure protection and public health.

    Environmental Engineering

    Water Quality Testing for Infrastructure & Public Safety

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  • Environmental site assessment in Los Angeles with soil sampling and geotechnical drilling to identify potential contamination, support Phase I and Phase II Environmental Site Assessments, and protect property buyers through environmental due diligence.

    Environmental Engineering

    7 Environmental Red Flags Every LA Property Buyer Should Know

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  • Post-wildfire hillside stabilization featuring engineered retaining walls, erosion control blankets, drainage improvements, and slope protection to reduce erosion and support safe rebuilding after the Palisades and Eaton fires.

    Environmental Engineering / Geotechnical Engineering

    Retaining Wall & Erosion Control for Fire-Scarred Hillsides

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