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Florida Erosion and Sediment Control Inspector's Manual <br /> Maintenance <br /> Check dams should be checked for sediment accumulation after each significant rainfall . <br /> Sediment should be removed when it reaches one- half of the original height or before . 3 <br /> Regular inspections should be made to insure that the center of the dam is lower'than the <br /> edges . Erosion caused by high flows around the edges of the dam should be corrected <br /> immediately. <br /> Silt Flow <br /> � s <br /> Note : Spacing for Type IIL Fence to be in <br /> accordance with Chart I. Sheet 1 of 3 <br /> and ditch installations at drainage ' <br /> structures Sheet 2 of 3 . <br /> Type DI Silt Fence <br /> i I <br /> / A I FI I a Mau A <br /> Flow \\\ <br /> Points A Should be Higher than Point 8 <br /> Drainageway installation <br /> (Front Elevation) <br /> Plate 4.38d Silt Fence Check Dam <br /> Source: installation of Straw and Fabric Filter Barriers for Sediment Control Sherwood and Wyant <br /> 4-110 <br />