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March 16, 2017 Meeting

Topic: Drinking from a Firehose – Recent Observations in Dam Spillway Performance

Recent rainfall events in North and South Carolina have brought a renewed scrutiny to regional infrastructure issues.  In particular, hydraulic performance of dam spillways and other hydraulic structures have been pushed beyond their limits. The presentation will review infrastructure data related to dams and present historical elements that provide the background for a discussion of current spillway performance.  The presentation will review spillway examples and identify elements of spillway design that are critical to hydraulic performance.


Mr. John Garner, PE of Bunnell-Lammons Engineering, Inc.

John F. Garner, PE, M.ASCE serves as Lead Design Engineer for Bunnell-Lammons Engineering in their Asheville, North Carolina Office.  For the past 19 years he has practiced in Dam Engineering providing consulting and engineering/construction support services on more than 100 dam projects throughout the Southeastern US.  A graduate of Clemson University, John’s training and background is focused on hydrologic analyses and hydraulic design of spillway structures for small dams.  His professional experience has exposed him to all phases of dam operations, inspections, investigations, remediation design, construction management, and emergency action planning.