Wednesday, April 27, 2011

Controlling storm water...

Calibre Woods' Retention Pond Issue

Praveen Ghanta of McConnell Drive meets with Dekalb County Roads and Drainage and Calibre Woods to examine the retention pond design implemented in 1996. A 2007 study indicates that half of the flooding on McConnell is due to this retention pond not performing correctly.



The original hole was only 12 inches in diameter. In 1996 the hole was enlarged to 30 inches. The plug removed is off to the right.



Despite heavy rains recently there was no evidence that any water has been ponding.


Because of this inspection the County has determined there are two issues with the implementation of the 1996 design. A wire trap was never installed over the enlarged hole and the pipe exiting the pond is 48 inches in diameter instead of 36.


We'll have to wait to see what happens next.


Good job Praveen!

hn






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