Skip to content
info@marshallgeo.com
Phone: (818) 310-6161

info@marshallgeo.com
Phone: (818) 310-6161

MARSHALL GeoScience | Geotechnical and Environmental Engineering Consultants LogoMARSHALL GeoScience | Geotechnical and Environmental Engineering Consultants LogoMARSHALL GeoScience | Geotechnical and Environmental Engineering Consultants Logo
  • What We Do
    • Geotechnical Engineering
    • Engineering Geology
    • Environmental Engineering
    • Field & Inspection Services
    • Laboratory Services
    • Other Engineering Services
  • Who We Are
    • Our Company
  • Our Markets
    • Projects
  • Insights
Contact
  • What We Do
    • Geotechnical Engineering
    • Environmental Engineering
    • Engineering Geology
    • Field & Inspection Services
    • Laboratory Services
    • Other Services
  • Who We Are
    • Company
  • Our Markets
  • Our Insights
MARSHALL GeoScience | Geotechnical and Environmental Engineering Consultants LogoMARSHALL GeoScience | Geotechnical and Environmental Engineering Consultants LogoMARSHALL GeoScience | Geotechnical and Environmental Engineering Consultants Logo
Let's Talk

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

Home » Archives for Marshall A. Hayrikian, M.S., P.E.
  • 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

    Read Article
  • 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

    Read Article
  • 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

    Read Article
  • 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

    Read Article
  • 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

    Read Article
  • Deputy Grading Inspector conducting soil inspection and site grading observation to ensure proper excavation, compaction, and construction quality control.

    Geotechnical Engineering

    Deputy Inspector vs. Special Soil Inspector: Key Differences

    Read Article
  • Soil Percolation Testing for Seepage Pit and Septic System Design in Los Angeles County

    Geotechnical Engineering

    Engineering Insights to Seepage Pit Design in Los Angeles

    Read Article
  • Field and laboratory concrete strength testing using cylinder samples to ensure structural safety and long-term performance.

    Construction Inspections / Geotechnical Engineering / Laboratory Services

    Laboratory Guide to Concrete Strength & Durability Testing

    Read Article
  • Geotechnical engineers conducting soil sampling and borehole drilling at a commercial construction site during a project feasibility study.

    Construction Inspections / Geotechnical Engineering / Laboratory Services

    Geotechnical Site Assessment for Construction Project Feasibility

    Read Article
  • Deputy Grading Inspector conducting soil inspection and site grading observation to ensure proper excavation, compaction, and construction quality control.

    Field Inspections Services / Geotechnical Engineering / Laboratory Services

    Role of Deputy Grading Inspector in Construction Projects

    Read Article
12Next
info@marshallgeo.com
Phone: (818) 310-6161
Explore
  • Geotechnical Engineering
  • Engineering Geology
  • Environmental Engineering
  • Field & Inspection Services
  • Construction Inspection Services
  • Laboratory Services
Connect
  • About Us
  • Projects
  • Markets
  • Insights
  • Contact
Legal
  • Privacy Policy
  • Terms of Use
  • Press

© 2026 • MARSHALL GEOSCIENCE • Powered by Websistant

Page load link
Accessibility Adjustments

Powered by OneTap

How long do you want to hide the toolbar?
Hide Toolbar Duration
Select your accessibility profile
Vision Impaired Mode
Enhances website's visuals
Seizure Safe Profile
Clear flashes & reduces color
ADHD Friendly Mode
Focused browsing, distraction-free
Blindness Mode
Reduces distractions, improves focus
Epilepsy Safe Mode
Dims colors and stops blinking
Content Modules
Font Size

Default

Line Height

Default

Color Modules
Orientation Modules
Go to Top