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APPENDIX B Biographical Sketches of Workshop Participants GEORGE L. BUCHANAN iS chief of the Civil Engineering and Design Branch of the Tennessee Valley Authority. His principal work there has been in design and related areas of Tennessee Valley Authority~s hydroelectric pro- gram. In addition to being a registered engineer in Tennessee, he is a mem- ber of the U.S. Committee on Large Dams and serves as Tennessee Valley Authority's representative to the Federal Emergency Management Agency/ Interagency Committee on Dam Safety concerned with federal dam safety. Previously, he was a member of the FCCSET/ICODS group during the development of federal guidelines for dam safety and was chairman of the Subcommittee on Site Investigation and Design. CATALINO B. CECILlO iS a senior civil engineer in charge of the hydrologic engineering group in the Civil Engineering Department of the Pacific Gas and Electric Company in San Francisco, California. EIe holds a B.S. degree in civil engineering and is registered as a professional engineer in the state of California. His job responsibilities and work experience since 1969 with Pacific Gas and Electric, which owns some 200 dams, has been in the hy- draulics and hydrology of dam safety, with principal expertise on design floods up to and including the probable maximum flood and dam break analysis. His expertise includes flood plain evaluation and the impact on the hydrologic environment of plant construction. He is principal codeve- loper of the ANS 2.8 American National Standardsfor Determining Design Basis Flooding at Power Reactor Sites, first issued in 1976 by the American National Standard Institute and revised in 1981. 334

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Appendix B 335 LLEWELLYN L. CROSS, JR., is the chief hydrologist for Chas. T. Main, Inc., in charge of all hydrometeorological and related work. He has over 30 years of experience in hydrologic and hydrometeorological studies and de- signs. Mr. Cross holds a B. S. in civil engineering from Tufts University and is a member of the U.S. Committee on Large Dams and of the USCOLD Committee on Hydraulics of Spillways. At Chas. T. Main, Inc., he is re- sponsible for hydrologic studies integral to the determination of spillway design floods, diversion floods, and reservoir yield studies for hydroelectric projects in the United States and abroad. RAY F. DeBRUHL is director of the Division of State Construction, North Carolina Department of Administration. He is a civil engineering extension specialist at North Carolina State University and holds a B. S. degree in civil engineering from the University of South Carolina and an M.C.E. from North Carolina State University. As a consultant, he has provided struc- tural engineering services for architects, engineers, steel fabricators, and contractors. As civil engineering extension specialist at North Carolina State University, in addition to teaching, he is responsible for developing and implementing short courses, seminars, conferences, etc., for the con- struction industry. He is a registered professional engineer in North and South Carolina. JAMES M. DUNCAN has for 17 years been a professor of civil engineering at the University of California at Berkeley. He has taught courses and done research on shear strength, slope stability, and deformation of embank- ment dams. Mr. Duncan has also been a member of the Board of Consul- tants for the repair of the San Luis Dam in California. He has been in- volved in safety evaluations of six Corps of Engineers, dams and has participated in studies of the New Melones, Warm Springs, Wolf Creek Henshaw, Birch, and Arcadia dams. LLOYD C. FOWLER is general manager and chief engineer at the Goleta Wa- ter District, Goleta, California. He was with the Santa Clara Valley Water District for 17 years and supervised the operation and maintenance of 8 earth dams, including analyses for seismic stability. Mr. Fowler received his M.S. in civil engineering and the professional degree of civil engineer from the University of California. He has over 30 years' experience in irri- gation, hydraulics, flood control, water supply, and river control works. Presently, he is also president of the Institute for Water Resources of the American Public Works Association.

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336 Appendix B VERNON K. HAGEN is chief of the Hydraulics and Hydrology Branch of the U.S. Army Corps of Engineers. His expertise involves hydraulic design, hy- drologic engineering, and water control and quality. He received his B.S. in civil engineering at Montana State University and his M.S. in civil engi- neering at Catholic University. He is a registered professional engineer, State of Montana, and a member of USCOLD. JOSEPH S. HAUGH is national planning engineer with the U.S. Department of Agriculture's Soil Conservation Service. He has worked at the USDA's national headquarters since 1973, with groups such as ICODS, and has served a one-year detail to the Water Resources Council on the develop- ment of principles and standards for water resource planning. His positions have encompassed engineering, planning, and design and construction for the Soil Conservation Service in West Virginia, Wisconsin, Kentucky, and South Carolina. Mr. Laugh holds a B.S.C.E. from West Virginia Univer- sity and is a registered professional engineer in South Carolina. DAVID S. LOUTE is senior associate and chief hydraulic engineer at Harza Engineering Company in Chicago, Illinois. He has been with Harza since 1950. Since 1967 he has been responsible for quality control of all aspects of work relating to complex problems in hydromechanics, hydraulic tran- sients, hydraulic model experimentations, and prototype investigations. Mr. Louie is also the in-house consultant on all major hydraulic problems. He holds an Sc.D. in hydraulic engineering from Massachusetts Institute of Technology. J. DAVID LYTLE is chief of the Instrumentation and Evaluation Section, U.S. Army Corps of Engineers, St. Louis district, where he is responsible for directing the programs for monitoring and evaluating the safety condi- tions of the U.S. Army Corps of Engineers' dams located within that dis- trict. He is a professional engineer in Missouri and a member of USCOLD and ICOLD. Mr. Lytle is coinventor of an instrument, the digital tri-axial inclinometer, that monitors the tilt of structures and internal movements within embankments. MARTIN W. McCANN, JR., is an associate in the consulting firm of Jack R. Benjamin & Associates, Inc., and is an acting professor of civil engineering at Stanford University. He received his Ph.D. from Stanford in 1980, where his research work was in the area of seismic risk analysis. Currently, he is the director of a project sponsored by FE MA at Stanford University to develop procedures to conduct risk-based evaluations of existing dams. As a consulting engineer, Dr. McCann has participated in a number of projects

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Appendix B 337 involving the assessment of risk associated with nuclear power plants and dams. He has participated in the critical review of probabilistic safety stud- ies for nuclear power plants in the area of seismic and flood risk analysis. His current research work involves investigating the attenuation and sources of variability of strong ground motion. JEROME M. RAPHAEL iS a consulting civil engineer specializing in dams and is a professor emeritus of civil engineering of the University of California at Berkeley. Previous to this, he served as a structural engineer on dams with the U.S. Army Corps of Engineers and with the U.S. Bureau of Reclama- tion. He holds an S.M. degree from Massachusetts Institute of Technology. He was an editor of the U. S. Bureau of Reclamation's Design Manual and is a member of its panel on criteria for the design of concrete dams. In addi- tion to consulting on the design and analysis of concrete dams, Mr. Raphael has worked on problems of structural behavior, concrete technology, and temperature control. For many years he taught a graduate course on the design and analysis of concrete dams. He was chairman of the American Concrete Institute's Committee on Mass Concrete and of its Committee on Creep and Shrinkage and is a member of USCOLD's Committee on Con- crete and of its Committee on Instrumentation. Mr. Raphael has partici- pated in a number of investigations on the safety of existing dams to deter- mine their safety under static and seismic loads and is the author of over 120 publications on the technology of dams. HARESH SHAH iS a professor of structural engineering and the director of the John A. Blume Earthquake Engineering Center at Stanford University. His fields of interest include structures, earthquake engineering, and statistical decision theory. He received his Ph.D. from Stanford University. Dr. Shah has worked with the Honduran, Guatemalan, and Algerian governments to help them develop an understanding of and expertise in the field of earthquake engineering. THOMAS V. SWAFFORD holds a B. S. degree in civil engineering from the Uni- versity of Tennessee. He is a registered professional engineer in Tennessee, Arkansas, and Arizona. As vice-president in charge of engineering, con- struction, and maintenance at Fairfield Glade, he is responsible for plan- ning, designing, constructing, and maintaining several small- and medium-sized dams and lakes. HARRY E. THOMAS iS Chief, Inspections Branch, Division of Hydropower Licensing of the Federal Energy Regulatory Commission in Washington, D.C. Mr. Thomas's responsibilities include planning and coordination of

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338 Appendix B technical direction and control of the Inspections Branch in establishing standards for inspection of licensed hydroelectric projects. He is also re- sponsible for the overall monitoring of project construction and operation, with special emphasis on compliance with the Commission's Dam Safety Program. Mr. Thomas is FERC's representative to the Interagency Com- mittee on Dam Safety. He holds an M.S. in geology from the University of Arkansas. J. LAWRENCE VON THUN iS a senior technical specialist in the Division of Design at the U.S. Bureau of Reclamation. He holds a B.S. in civil engi- neering from Colorado State University and has done graduate work in op- erations research at the Colorado School of Mines. He began federal service in 1967, working in Design and Analysis of Concrete Dams and Founda- tions. He developed specialized procedures using geologic data for the anal- ysis of Auburn Dam's foundation. Mr. Von Thun is a member of the Stan- ford University advisory board on the risk analysis dam safety study being done for FEMA. He is also a liaison member of the National Academy of Science's panel on seismic hazards in the siting of critical facilities and of the U.S. Committee of the Interagency Committee on Large Dams. JACK G. WULFF iS senior vice-president and chief engineer of Wahler Associ- ates, Consulting Geotechnical Engineers. For 11 years he has been respon- sible for the direction and management of the technical activities of the firm. These activities are heavily oriented toward earth dam design, con- sultation, and evaluation in seismic regions of the world. During his 31- year career in water resources and mine and mill waste disposal engineer- ing, Mr. Wulff has specialized in the planning, design, evaluation, and construction aspects of earth dams and mine and mill waste impound- ments. He previously held a position with the California Department of Water Resources as their first chief of Earth Dams Design and was directly in charge of the designs of most major dams of the California State Water Project, including Oroville Dam, the highest earthfill dam in the world at the time of its completion in 1967, and some 15 others. Mr. Wulff has been a member of U.S. Committee on Large Dams since 1966 and has coau- thored numerous technical articles and papers. He received his B. S. in civil engineering from the University of Nevada and continued with postgradu- ate studies in soil mechanics and earthquake engineering at the University of California at Berkeley and Sacramento State College.