Chapter 11 ENERGY DISSIPATORS
“Roadside Channels” and Chapter 15 “Bank Protection.” 11.1.2 Definition ... With the exception of riprap aprons, the HEC 14 design methods have ... 9 Contra Costa basin < 3 H M M < 0.5D 9 Hook basin 1.8 to 3 H M M Not needed 9 USBR Type VI impact basin5 ...
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