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DCR Dam Safety requires annual inspections of all regulated dams. Whether the inspection is by the owner or the engineer, this is more than filling out a form. The observations pertaining to maintenance, access, seepage, settlement, etc. can be indicators of larger changes that are occurring at the dam, riser, or outfall. Dam inspections are […]
Fairfax County’s robust BMP inspection program has recently identified piping failures on several of their older, publicly maintained dry pond facilities. A failing dam is a high priority maintenance issue and requires expedited measures to restore safety and functionality to the facility. This presentation will cover the overall process, from piping failure identification, to project […]
Greenbrier State Park Dam, owned and operated by the Maryland Department of Natural Resources, is a 64-foot tall High Hazard earthen embankment dam located in Boonsboro, Maryland. The dam impounds a 30-acre public lake as part of the Maryland State Park system. The dam, constructed in 1965, has a history of seepage issues including incidents […]
In December of 2010, the Virginia DCR Dam Safety Regulations were amended adding section 4VAC50-20-53 allowing High Hazard Dams to reduce their required Spillway Design Flood (SDF) storm event from the 0.9 PMP to the 0.6 PMP by adhering to multiple additional special criteria. Since 2010, Hurt & Proffitt, Inc. has assisted Virginia Dam Owners […]
This presentation will cover a brief history of the technology development relating to ACB design and applications leading up to the current design guidance considered the best practice for the industry. The evolution of the Factor of Safety calculations (FOS) has evolved over the last 30 years, culminating in 2010 with the PhD dissertation of […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
