Cornforth Consultants - Larry Pierson

		Larry Pierson Senior Associate Geologist
		Registration Geologist and Engineering Geologist Oregon, Washington Career 2000 - present Senior Associate Geologist Cornforth Consultants Portland, Oregon 1978 - 2000 Chief Engineering Geologist Oregon Department of Transportation Education 1975 BS in Geology, University of California Los Angeles Honors/Societies National Academy of Science, Transportation Research Board, Committee on Engineering Geology National Academy of Science, Transportation Research Board, Subcommittee on Rockfall Management (Chairman) Member-author TRB Task Force AFP 15T publication on Rockfall Evaluation and Control Member, Association of Engineering Geologists, Oregon Section Member, American Rock Mechanics Association Member, International Society of Rock Mechanics U.S. Representative to 11th International Congress of the International Society of Rock Mechanics; Lisbon, Portugal		Mr. Pierson has over 30 years of experience in engineering geology, and is a nationally recognized expert in the field of rock mechanics with a specialty in transportation projects. Twenty-two years of his experience were with the Oregon Department of Transportation where he served as a Geotechnical Manager and Chief Engineering Geologist. He was responsible for rock slope and rockfall mitigation designs, foundation evaluations for structures, and managing quarry operations and transportation research projects. As part of national pooled-fund research projects, he has developed management and design systems including the Rockfall Hazard Rating System (RHRS) used by U.S. and Canadian transportation agencies as a rock slope management tool, and a national transportation guideline for design of rockfall catchment areas (RCAD). With Cornforth Consultants, Inc. Mr. Pierson has managed major geotechnical projects for the Federal Highway Administration, State DOTs (nationally) and regional utility companies. He has managed the development of geotechnical procedure manuals and has provided expert witness services on several rockfall litigations and construction claims for transportation agencies. A few projects representative of Mr. Pierson’s experience include: Round Butte Dam Intake Tower and Fish Collection Unit, Madras, Oregon Comprehensive RHRS Implementation, Montana Department of Transportation, Montana Rockfall Litigation, Washington Department of Attorney General, Washington Diablo Dam Rockfall Reconnaissance, Seattle City Light, Washington Highway 101 Neahkahnie Bridges and Viaducts Rockfall Mitigation, Manzanita, Oregon Cougar Dam Intake Tower Modifications, McKenzie River, Oregon Mosier Twin Tunnels, Historic Columbia River Highway, Mosier, Oregon McGuire Dam Raise Quarry Excavations, Carlton, Oregon ODOT Cracked Bridges, OR 212/224 and US 26, Clackamas County, Oregon Rockfall Litigation, Ministry of Attorney General, British Columbia, Canada Pelton Dam Access Road Widening, Madras, Oregon Going-to-the-Sun Road Transportation Corridor Improvements, Glacier National Park, Montana Lemolo Canal No. 2 Rockfall, Tokatee Falls, Oregon ODOT's Kruger Rock Stability Research Facility, Portland, Oregon Warner Highway Realignment, Lake County, Oregon Prospect Penstock Rockfall, PacifiCorp, Oregon RHRS Implementation, Virginia and Utah Departments of Transportation Al Baha Descent Highway, Ministry of Communications, Al Baha, Kingdom of Saudi Arabia

		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 Copyright © , Cornforth Consultants, Inc.