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WESTERN DAM ENGINEERING NEWSLETTER, VOLUME 4, ISSUE 2 AUGUST 2016
RISKS OF AGING DAMS, HYDROLOGIC INADEQUACIES, INTERNAL EROSION
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VOLUME 4 <br />ISSUE 2 <br />AUGUST 2016 <br /> <br /> <br /> <br /> <br /> <br /> <br />In this Issue <br />Introduction……………………………………….….. 1 <br />Dam, You’re Getting Old! – Understanding and Managing the Risks of Aging Dams……….………. 2 <br />Retrofitting Old Dams to Address New Hydrologic Inadequacies……………. 9 <br />Internal Erosion: Issues Just Below the Surface……………………………….. 15 <br /> <br />1 <br />A SEMI-ANNUAL PUBLICATION FOR WESTERN DAM ENGINEERS <br /> FEMA Training Aids for Dam Safety (TADS): A Self-Instructional <br />Study Course in Dam Safety Practices <br /> ASDSO NATIONAL DAM SAFETY CONFERENCE, Sept <br />11-15, Philadelphia, PA <br /> <br />Upcoming ASDSO Webinar Dam Safety Training: <br />• Hydrologic Hazards - Estimating Probabilities of <br />Extreme Floods John F. England, Jr. October 11, 2016 <br />• Intro to Tailings Dam and Coal Ash Impoundment <br />Design, Construction and Monitoring by Dick Davidson, <br />PE (AECOM); November 8, 2016 <br />• Introduction to Dam Decommissioning by Paul <br />Schweiger, PE; December 13, 2016 <br /> <br />Upcoming ASDSO Classroom Technical Seminars <br />• Inspection and Assessment of Dams, White Plains, NY <br />October 11-13, 2016. <br /> <br />ASDSO Training Website Link <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />In this issue of the Western Dam Engineering , Technical Note <br />we present articles on risks of aging dams, upgrading dams to <br />address deficiencies in passing flood flows, and internal erosion <br />mechanics. This semi-annual newsletter is meant as an <br />educational resource for civil engineers who practice primarily in <br />rural areas of the western United States. This publication focuses <br />on technical articles specific to the design, inspection, safety, and <br />construction of small to medium sized dams. It provides general <br />information. The reader is encouraged to use the references <br />cited and engage other technical experts as appropriate. <br /> <br /> The Western Dam Engineering Technical <br /> Note is sponsored by the following <br /> agencies: <br /> Colorado Division of Water Resources <br /> Montana Department of Natural <br />Resources <br /> Wyoming State Engineer’s Office <br /> This Technical Note was compiled, written, <br /> and edited by AECOM in Denver, <br /> Colorado <br /> Funding for the Technical Note has been <br /> provided by the FEMA National Dam Safety <br /> Act Assistance to States grant program. <br /> <br /> Article Authors: <br /> AECOM: Jennifer Williams, P.E.; <br /> Chad Vensel, P.E.; Jessie Drayton, P.E. <br /> <br /> Editorial Review Board: <br /> Michele Lemieux, PE, Montana Dam Safety <br />Program Supervisor; Bill McCormick, PE, PG, <br />Colorado Chief Dam Safety Branch; <br />Mike Hand, PE, Wyoming Dam Safety <br /> Program; Mark Ogden, PE, Association <br /> of State Dam Safety Officials; <br /> and Matthew Lindon, PE, Loughlin Water <br /> Associates. <br /> <br />GOOD TO KNOW <br />The material in this publication has been prepared in accordance with generally recognized engineering principles and practices, and is for general information only. The information presented should not be used without first securing competent advice from qualified professionals with respect to its suitability for any general or specific application. No reference made in this publication constitutes an endorsement or warranty thereof by AECOM or sponsors of this newsletter. Anyone using the information presented in this newsletter assumes all liability arising from such use.
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