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3.1 OR FLATTER <br />,0ARM Ro rK Fl, ovv LINE SF-bks <br />POCK SET IN COPE TRENCH MkNWI IM OF <br />2 -5 FEET DEEP BY 2 TO S FEET WIDE <br />SIDE VIEW <br />T <br />MUM} <br />END POINTS "A" MU5 BE HIGHER <br />I'HAN FLOW LINT POINT "I,i" <br />MINIMUM F #E wi r OF cOURSSE DIFFERENCE <br />ROCK PLA(;Ei) IN CHANNEL <br />FLOW LINL IS D TO 2 FEE <br />FRONT LEFT SIDE VIEW <br />A <br />PLACE DOWNSTREAM STRUCTURE <br />SUCH THAT POINT '13* IS APPROXWATELY <br />LEVEL WITH POINT "D' OR AT POINT "C "- <br />CHECK DAM PLACEMENT IS DEPENDANT UPON <br />SLOPE AND SINUOSITY OF DRAINAGE CHANNEL. <br />TOE TO CREST DISTANCE DEPENDANT ON SLOPE <br />i <br />FIGURE 4.8 -1b TYPICAL DRAINAGE STABILIZATION STRUCTURE, ALTERNATE "B" DEFLECTOR CHECK DAMS <br />4 -983d <br />a <br />" <br />