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Figure 11-3.16: Rock Check Dam <br />View Looking Upstream <br />A 18., <br />12" (0.5m) <br />050mm) <br />24" (0.6m) <br />A c <br />Note: <br />Key stone into channel banks and extend it <br />beyond the abutments a minimum of 18" <br />(0.5m) to prevent flow around dam. A <br />Section A -A <br />24" (0.6m) <br />V (2.4m) <br />Spacing Between Check Dams <br />'L' = the distance such that points <br />'A' and 'B' are of equal elevation. <br />NOT TO SCALE <br />�r <br />Rock Check Dam <br />Revised June 2016 <br />DEPARTMENT OF <br />ECOLOGYPlease see http.'1Avww.ecywa.gov/copyrighthtm! for copyright notice including permissions, <br />State of Washington limitation of liability, and disclaimer. <br />2019 Stormwater Management Manual for Western Washington <br />Volume 11 - Chapter 3 - Page 353 <br />