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05/11/1995 14:45 719 • <br />DRAINAGE CRITERIA MANUAL <br />O <br />ABEL ENGINEERING. <br />TEMPORARY DIVERSION DIKE <br />PAGE 12 <br />EROSION CONTROL <br />DD <br />DeflnAi~ <br />A temporery ridge of compacted soil located at the top, midslope, or base of a dlaturt»d <br />area. <br />Purposes <br />1. To divert storm runoff from higher drainage areas away from unprotected slopes to a <br />permanent channel or temporary channel diversion. <br />2. To divan sediment-laden runoff from the mldslope of a disturbed area to a temporary <br />slope drain. <br />3. To divan sediment-laden runoff from the base of a disturbed area to a sediment trapping <br />1aGllty, <br />Figure 4-2 Temporary DNersion Dike <br />