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Video: Moving 7 Million Cubic Yards – Calaveras Dam Replacement Project Timelapse

May 20, 2016 rockman Available Resources Comments Off on Video: Moving 7 Million Cubic Yards – Calaveras Dam Replacement Project Timelapse

This is a pretty remarkable 4-year time-lapse video of the construction of a new spillway as part of the Calaveras Dam replacement project. [Source: SFWater Power and Sewer YouTube Channel via Hat tip to my […]

Dennis Miller, former park manager on a dock on the west side of Duke Lake in Ryerson Station State Park. The dam seen in the background, was damaged resulting in the lake being drained in July 2005.
Failures

Coal Mining Company Ordered to pay $21M for Causing Crack in Pennsylvania Dam

November 10, 2010 rockman Failures Comments Off on Coal Mining Company Ordered to pay $21M for Causing Crack in Pennsylvania Dam

In July of 2005, cracks began forming in the concrete dam that created Duke Lake in Ryerson Station State Park in Pennsylvania that required officials to drain the 62-acre lake. The state’s Department of Environmental […]

Mill Creek Dam near Walla Walla Washington
Failures

Mill Creek Dam near Walla Walla, WA Leaking, Receives Corps Worst Rating

November 7, 2008 rockman Failures Comments Off on Mill Creek Dam near Walla Walla, WA Leaking, Receives Corps Worst Rating

Mill Creek Dam near Walla Walla WashingtonThe Mill Creek Dam near Walla Walla, Washington has served its purpose admirably for over 67 years but according to a recent report by the US Army Corps of Engineers, the dam received a Dam Safety Action Category (DSAC) rating of 1 out of 5 which means that the risk to public safety is too great when Bennington lake which is formed by the dam is more than 17% full for an extended period of time. More after the break. (Photo by USACOE)

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