Clark Mountain Musings

Tuesday, December 20, 2005

Inspectors shocked to find Missouri reservoir's breached wall composed of 'rubble,' not granite

Makes me confident of building permits/design, especially those in "remote" recreation areas, doesn't it you?

"Inspectors searching for the cause of a reservoir breach that sent a billion-gallon torrent of water streaming down the side of an Ozark mountain were dumbfounded by what they saw: the retaining wall wasn't built with granite.

Instead, the broken portion of the wall – 70 to 80 feet high and about two football fields wide – appeared to consist entirely of soil and smaller rock. For decades, it was assumed that granite was the main material keeping water in the reservoir.

"We were shocked," James Alexander, director of the Missouri Department of Natural Resources' Dam and Reservoir Safety Program, said Thursday."


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