California Department of Transportation
 

Branch of Geotechnical Instrumentation

The Geotechnical Instrumentation Branch (GIB) provides statewide services including:

  • Specialty geotechnical testing,
  • Geotechnical instrumentation,
  • Nuclear Gauge Calibration,

  • The services provided by GIB include landslide monitoring services, cone penetrometer testing, automated geotechnical monitoring, nuclear gage calibration services, and radiation safety administration.

    BRANCH CHIEF
    Gem-Yeu Ma
    Phone : (916) 227-1080
    E-mail: Gem-Yeu.Ma@dot.ca.gov

    SERVICES