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Table 2 <br />CLASSIFICATION AIJD GRADATION OF ORDINARY RIPRAP <br />• <br />\_I <br />• <br /> <br />Riprap <br />Designation % Smaller Than <br />Given Size <br />By 4leight Intermediate Rock <br />Dimension <br />(Inches) d50* <br /> <br />(Inches) <br />Type VL 70 - 100 12 <br /> 50 - 70 9 <br /> 35 - 50 6 6 <br /> 2 - 10 .2 <br />Type L 70 - 100 15 <br /> 50 - 70 12 <br /> 35 - 50 9 9 <br /> 2 - 10 3 <br />Type t4 70 - 100 21 <br /> 50 - 70 18 <br /> 35 - 50 12 12 <br /> 2 - 10 4 <br />Type H I00 30 <br /> 50 - 70 24 <br /> 35 - 50 18 18 <br /> 2 - 10 6 <br />Type VH 100 42 <br /> 50 - 70 33 <br /> 35 - 50 24 24 <br /> 2 - 10 9 <br />* d50 = mean particle size <br />-7- <br />