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COARSE ROCK <br />3 1 OR FLATTER <br />FLOW LINE SLOPE <br />ROCK SET IN CORE TRENCH MINIMUM OF <br />2 5 FEET DEEP BY 2 TO 3 FEET WIDE <br />SIDE VIEW <br />T <br />MUM) <br />END POINTS "A' MUST BE HIGHER <br />THAN FLOW LINE POINT -B- <br />MINIMUM HEIGHT OF COURSE/ DIFFERENCE <br />ROCK PLACED IN CHANNEL <br />FLOW LINE IS 0 TO 3 FEET <br />FRONT LEFT SIDE VIEW <br />A <br />DEGREES <br />FLOW <br />SIDESLOPE 2 1 OR FLATTER�:r�• <br />0 DEGREEST <br />PLACE DOWNSTREAM STRUCTURE <br />SUCH THAT POINT "B" IS APPROXIMATELY <br />LEVEL WITH POINT "D" OR AT POINT "C" <br />CHECK DAM PLACEMENT IS DEPENDANT UPON <br />SLOPE AND SINUOSITY OF DRAINAGE CHANNEL <br />20' WIDE— <br />i <br />FIGURE 4.8-1b TYPICAL DRAINAGE STABILIZATION STRUCTURE, DEFLECTOR DAMS <br />4-183b <br />�pR 012015 <br />Revision: C)� <br />Appmved: <br />