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Phone: (818) 310-6161

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

Home » Archives for Marshall A. Hayrikian, M.S., P.E.
  • Geotechnical Engineer performing analysis and documenting a ground-anchor load test with a hydraulic jack at a concrete retaining wall in Los Angeles, CA

    Geotechnical Engineering

    A Guide to Ground Anchor Testing & Certification

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  • Construction materials testing for structural safety, showing concrete strength testing, steel and rebar testing, weld inspection, masonry testing, and soil testing to verify construction quality and structural integrity.

    Geotechnical Engineering

    Material Testing: Backbone of Structural Safety in California

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  • Construction inspector recording field notes beside a soil compaction roller on site for Marshall Inspection Services

    Geotechnical Engineering

    A Guide to Soil Compaction Test Curves and Pavement Stability

    Read Article
  • Hillside construction project in Los Angeles County showing temporary shoring system and permanent reinforced concrete retaining wall installation under local building code requirements and geotechnical supervision.

    Geotechnical Engineering

    Hillside Development and Site Safety in LA: 2026 Guide

    Read Article
  • Geotechnical engineers perform soil shear strength testing at an active construction site using drilling equipment and soil sampling to evaluate foundation stability, bearing capacity, slope performance, and safe structural design.

    Geotechnical Engineering

    Soil Testing & Soil Shear Strength: Building Guide in Los Angeles

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  • Inspector showing methane monitoring, soil gas testing, construction in methane-risk areas, and the importance of identifying methane hazards before building.

    Environmental Engineering

    Los Angeles Methane Zones Explained for Homeowners

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  • Geotechnical engineers oversee foundation layout, soil evaluation, and hillside reconstruction on a wildfire-affected Los Angeles coastal property, ensuring safe rebuilding through site investigation, grading, and foundation design before residential construction begins.

    Geotechnical Engineering

    Geotechnical Requirements for LA Fire Rebuild – 2026 Guide

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  • 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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  • Limited-access geotechnical drilling rig performing soil boring and subsurface exploration on a Los Angeles hillside construction site to support foundation engineering, slope stability analysis, and safe project development

    Geotechnical Engineering

    Geotechnical Drilling Services in Los Angeles: On-Site 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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