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RIPRAP SIZING CHART <br /> RIPRAP DESIGNATION AND d50 SIZE <br /> C <br /> I <br /> 20 <br /> I <br /> uu.. 15 <br /> I <br /> > ( VH(24') <br /> ~ I <br /> o <br /> w 10 M(12 ) <br /> > ' <br /> L( 9') <br /> � I <br /> O I I ( VL(6' I I <br /> U. <br /> i i I <br /> 5 <br /> I I I <br /> 0 <br /> 0 .05 .10 .15 .20 .25 <br /> CHANNEL SLOPE S <br /> SIZING DERIVED FROM FORMULA: <br /> VS 0.17 _ VS 0.17 2 <br /> 0. 5.8 OR d50 <br /> d so (SS -1) O.ss 7.58 <br /> ASSUMING SPECIFIC GRAVITY OF RIPRAP, SS 2.5 <br /> s � <br /> REF: URBAN STORM DRAINAGE CRITERIA MANUAL. MAJOR DRAINAGE SECTION . <br /> 46 GEO-HYDRO CONSULTING. INC. <br />