Cornforth Consultants :: George Machan

George Machan

Registration
Civil Engineer - OR, WA, MT, WY, UT,
ID, AK, NY, AZ

Geotechnical Engineer - OR

Career
1996 - present
Senior Associate Engineer
Cornforth Consultants, Portland, OR

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

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

1984 - 1991
Geotechnical Engineering Manager
ODOT, Salem, OR

1975 - 1984
Senior Engineer
Squier Associates, Lake Oswego, OR

Education
1974/M.S. in Geotechnical Engineering
Purdue University, West Lafayette, IN

1973 B.S.
Civil Engineering
University of Connecticut, Mansfield, CT

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

Senior Associate Engineer

Mr. Machan has 45 years of experience in geotechnical engineering and project development management. Designs have included slide repairs, drainage systems, cut slopes, embankments in mountainous terrain and over compressible floodplains, retaining walls, ground anchor stabilization, foundations, light-weight fills, rock slopes and rockfall protection methods.

He also provided overall project development management for highway improvements along Sunset Highway and Highway 217 in Portland, associated with the fast-tracked Westside Light Rail project. He provided leadership in public involvement and mediation efforts to community impacts and design issues. In addition, he represented ODOT in several legal proceedings and Land Use hearings.

Several projects representative of Mr. Machan’s experience include:

Gas Plant Slides, Equatorial Guinea, Africa
Caribou Creek Section, Glenn Highway MP 100 – 109, Alaska
Rockfall Avalanche, Banks - Lowman Highway MP 26, Idaho
Emergency Road Repairs for Forest Roads (ERFO), Washington and Oregon
Parks Highway MP 352 Slide, Ester, Alaska
Richardson Highway MP 296 Anchored Retaining Walls, Richardson, Alaska
Sandlake Road Slide, Tillamook County, Oregon
Interstate 84 Rock Slide, Echo, Utah
Cornelius Pass Road Landslide, Multnomah County, Oregon
Hoover Landslide, Provo Canyon, SR-189, Utah
Snowbasin Access Road (UDOT), Weber County, Utah
Snake River Avenue Slide, Lewiston, Idaho
Bonners Ferry Slide, U.S. 95, Idaho
Siskiyou Pass Escape Ramp Wall Failure, Interstate 5, Near Ashland, Oregon
Hole-in-the-Wall Landslide, Highway 86, Halfway, Oregon
Portland Zoo Slide, Sunset Highway 26, Oregon
Osweg Creek Slide, Highway 26, Near Elsie, Oregon
Looking Glass Hill (MT 49) Slides, East Glacier, Montana
Cornell Road Subgrade Claim, Hillsboro, Oregon
Southwest 45th Avenue Embankment Failure, Portland, Oregon
Route 219, Scoby Hill Rd Slide, Springville, New York
Uplift Failure of a Buried Fuel Tank, Albany, Oregon
Highway U.S. 26, South of Warm Springs, Oregon
SR 87 Landslide near MP 224, Payton, Arizona
John Day River Embankment Slide, Highway 30, Near Astoria, Oregon
Galena Summit Slide, SH-75, Idaho
Crater Lake Rim Drive Stability, Crater Lake National Park, Oregon
Rosie's Ridge and Togwotee Pass Slides, Wyoming

Selection of technical presentations and lectures:

Landslide Application of the Geotechnical Observational Approach, 3rd North American Symposium on Landslides, Roanoke, Virginia
Complexities of Determining Properties of Diatomaceous Deposits, Transportation Research Board Annual Meeting, Washington DC
Geotechnical Planning for US26 Corridor (Swan Valley – Wyoming state line), Presentation to New York DOT
Invited Lecturer, Observational Method Approach To Monitor Construction Of Highway Embankments On Active Landslides, Geotechnical & Structural Instrumentation, Monitoring, and Information Engineering Short Course, Golden, Colorado