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Barry Siel
Senior Geotechnical Engineer
12300 West Dakota Avenue, Suite 340
Lakewood, CO 80228

Ph: (720) 963-3208
FAX: (720) 963-3232
barry.siel@dot.gov

Experience
Began working in field in 1984
Joined FHWA in 1987

Education
•    Master of Science, Geotechnical Engineering, University of Colorado
•    Bachelor of Science, Civil Engineering, University of Colorado
•    Bachelor of Science, Geology, Oregon State University

Expertise/Specialty
•    Drilled Shafts
•    Foundations
•    Geology
•    Micropiles
•    Retaining Walls/Rockfall Management
•    Slope Stability
•    Soil Nailing

Licenses and Registrations
•    Professional Engineer, Colorado

Professional Associations
•    TRB Committee on Engineering Geology, Member
•    TRB Subcommittee on Rockfall Management, Member
•    Northwest Geotechnical Workshop Steering Committee, Member (15 years)

Professional Highlights
•    Senior geotechnical engineer in safety and highway design;

•    Promotes innovative technologies, including soil nailing, micropiles, soil mixing, and various methods of ground improvement

•    Providing training in basic soils and foundations, earth retaining structures, drilled shafts, pile driving construction control, geosynthetics, and slope maintenance and slide restoration

•    Before FHWA, gained extensive experience in geology and geotechnical engineering by working for a State DOT and in private consulting

•    Provided specialized training to North Dakota DOT on drilled shaft construction and construction inspection;

•    Helped prepare NDDOT for their first-ever drilled shaft project, which was to support a 4400-foot, 26-span bridge on 13-foot diameter shafts over Lake Sakakawea on the Missouri River

•    Accompanied Alaska Department of Transportation and Public Facilities personnel on a damage assessment trip following the 2002 Denali Earthquake

•    In response to recent large construction claims attributed to geotechnical problems, conducted a comprehensive review of the State‚Äôs geotechnical program, for the Montana Division and the Montana Department of Transportation

•    Reviewed the PS&E and conducted a site visit to a proposed soil nail/ground anchor wall in Des Moines, IA, along a widening project on I-235;

•    The contract called for soil nail walls, but the contractor proposed ground anchor walls instead at additional cost, claiming that soil nail walls were not constructible

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