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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
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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:
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Coquille Reroute of State Highway 42, Coquille, Oregon
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OR 99W Newberg-Dundee Bypass DEIS, Oregon
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ODOT Cracked Bridges Research & Foundation Evaluations, Statewide, Oregon
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North Transmission Pipeline, Hillsboro and Cornelius,
Oregon
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Sandy River Water Supply Conduit Tunnels, Sandy, Oregon
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Anchored Solder Pile Walls, Caribou Creek, Glenn Highway, Alaska
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OR 140 Warner Highway Curve Realignment, Lakeview, Oregon
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SR 224 Snowbasin Access Road, Huntsville, Utah
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Route 443 Delaware Avenue Landslide, Bethlehem (Albany), New York
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Geotechnical Expert Witness Consultation for FHWA, Banks – Lowman Highway, Idaho
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Ground Anchor Stabilization, MP 296, Richardson Highway, Alaska
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Geotechnical Manuals for Nevada DOT and FHWA
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Emergency Repair of Federally Owned (ERFO) roads,
Oregon and Washington
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Chehalis River Bridge, Satsop, Washington
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US Highway 26 Realignment, Moran Junction to Dubois,
Wyoming
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Vancouver Wharf, Vancouver, Washington
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LNG Pipeline Stability and Geologic Hazards, Bioko,
Equatorial Guinea, West Africa
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Emergency Repair Three Capes Scenic Road, Tillamook
County, Oregon
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Evaluation of 33 Stormwater Detention Embankments,
Southwest Portland, Oregon
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Sunset Highway Westside Corridor Improvements,
Portland, Oregon
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Siskiyou Pass Downhill Escape Ramp, Interstate 5
near Ashland, Oregon
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