George Machan

Senior Associate Engineer


Registration
Civil Engineer:
Oregon, Washington, Montana, Wyoming, Alaska, New York, Utah, Idaho

Career

1996-present 
Cornforth Consultants, Portland, Oregon; Senior Associate Engineer

1995 - 1996 
Oregon Department of Transportation (ODOT), Portland, Oregon; Region 1 Planning and Development Manager

1991 - 1995 
ODOT, Portland, Oregon; Westside Corridor/LRT Project Manager

1984 - 1991 
ODOT, Salem, Oregon; Geotechnical Engineering Manager

1975 - 1984 
Squier Associates, Lake Oswego, Oregon; Senior Engineer


Education
1974
MS Civil Engineering (Geotechnical)
Purdue University, Indiana

1973
BS Civil Engineering, University of Connecticut

Honors/Societies
TRB Committees on Transportation Earthwork & Soil and Rock Instrumentation (AFS 10 and AFS 20) Transportation Research Board

National Cooperative Highway Research Program (National Academy of Sciences)

Chair, ASCE Geotechnical Engineering Group, Portland

Mr. Machan has 33 years of experience in geotechnical engineering and project management. His geotechnical designs have included slide repairs, drainage systems, cut slopes, highway embankments in mountainous terrain and over compressible floodplains, retaining structures, foundations, tunnels, rock slopes and rockfall protection methods. He has also provided peer reviews, construction troubleshooting, forensic studies and expert opinions/testimony.

A few projects representative of Mr. Machan’s experience include:

  • Coquille Reroute of State Highway 42, Coquille, Oregon

  • OR 99W Newberg-Dundee Bypass DEIS, Oregon

  • ODOT Cracked Bridges Research & Foundation Evaluations, Statewide, Oregon

  • North Transmission Pipeline, Hillsboro and Cornelius, Oregon

  • Sandy River Water Supply Conduit Tunnels, Sandy, Oregon

  • Anchored Solder Pile Walls, Caribou Creek, Glenn Highway, Alaska

  • OR 140 Warner Highway Curve Realignment, Lakeview, Oregon

  • SR 224 Snowbasin Access Road, Huntsville, Utah

  • Route 443 Delaware Avenue Landslide, Bethlehem (Albany), New York

  • Geotechnical Expert Witness Consultation for FHWA, Banks – Lowman Highway, Idaho

  • Ground Anchor Stabilization, MP 296, Richardson Highway, Alaska

  • Geotechnical Manuals for Nevada DOT and FHWA

  • Emergency Repair of Federally Owned (ERFO) roads, Oregon and Washington

  • Chehalis River Bridge, Satsop, Washington 

  • US Highway 26 Realignment, Moran Junction to Dubois, Wyoming

  • Vancouver Wharf, Vancouver, Washington

  • LNG Pipeline Stability and Geologic Hazards, Bioko, Equatorial Guinea, West Africa

  • Emergency Repair Three Capes Scenic Road, Tillamook County, Oregon

  • Evaluation of 33 Stormwater Detention Embankments, Southwest Portland, Oregon

  • Sunset Highway Westside Corridor Improvements, Portland, Oregon

  • Siskiyou Pass Downhill Escape Ramp, Interstate 5 near Ashland, Oregon 


Ermel Quevedo | Andy Vessely | Charlie Hammond | Randy Hill
George Machan | Mike Meyer | Larry Pierson | Kenji Kamasaki | Brent Black
Gerry Heslin | Derek Cornforth | John Sager | Art Martin | Jim Griffiths

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