CORNFORTH CONSULTANTS - LANDSLIDE TECHNOLOGY
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Sebastain Dirringer
Associate Geologist
Sebastian Dirringer, CEG, RG
Associate Geologist

​Sebastian has 10 years of engineering geology experience in the Pacific Northwest, Alaska, and Mountain States. His areas of expertise include geologic reconnaissance and mapping, complex site explorations for dams and levees, geologic hazard assessments, rock slope and rockfall mitigation, landslide repair work, and construction inspection and QA/QC services.

Sebastian regularly provides engineering support during construction to assure compliance with contract specifications. In addition, his vast experience with drilling and instrument installations has resulted in acceptance of his credentials by the Federal Energy Regulatory Commission (FERC) for drilling projects in hydroelectric dams. Additionally, he is an active member of CCILT's in-house rope access team with extensive experience conducting on-slope work related to reconnaissance, investigation, design and construction support for rock slope stability projects.  
Education:
  • M.S., Geology, Kent State University, Kent, Ohio
  • B.S., Geology, State University of New York (SUNY), Albany, New York

Professional Licensure/Certifications:
  • Engineering Geologist: OR, WA
  • Geologist: OR, WA
  • Level 1 Technician, Society of Professional Rope Access Technicians (SPRAT)

​Honors/Societies:
  • Member, American Society of Civil Engineers, Portland Geotechnical Group
Skills:
  • Drilling and Instrument Installation
  • Fish Ladder Design
  • Rock Reconnaissance and Investigation
  • Slope Stability Analysis 
  • Geologic Hazard Assessment
  • About
  • Services
    • Cornforth Consultants
    • Landslide Technology
  • Projects
  • Staff
  • Contact
  • Careers