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•~. <br />~. <br />• <br />• <br />• - <br />RIPRAP SIZING CHART <br />RIPRAP DESIGNATION AND d50 SIZE <br />2a <br />,. <br />U <br />W <br />t~i. a 5 <br />.. <br />r <br />H <br />U <br />O <br />~w 1 C <br />> 9.a <br />813 <br />- •O <br />J <br />LL <br />5 <br />o <br />0 .OS .10 .a5 .20 <br />CHANNEL SLOPE S <br />SIZING DERIVED FROM FORMULA: <br />VS 0.17 VS 0.17 2 <br />5.8 OR d 50 = -- <br />d so (SS -1) o.ss 7.58 <br />ASSUMING SPECIFIC GRAVITY OF RIPRAP; SS . 2.5 <br /> ';I i~I <br /> <br /> I C I i~ j I~. <br />l i. Ii i ij <br />-- <br /> i i I I; <br />i t . <br /> ( ~ ~~ I I I <br /> I i r <br />+ <br /> II <br /> i ' I I <br /> ~ ; ~ •; i i <br />~ <br />~ <br />I ~ <br />i i _' i _ •• <br />•VH(24) ._. <br /> .. <br />i ~ ~ <br />S ; T <br /> ~ <br /> 1 i <br /> <br />' ~ ( <br />t i <br />, <br />H (18' <br /> <br />I ! <br />I <br />' i i <br />I i I - ' <br /> i I ~ I <br /> <br /> <br /> L ( 9' <br /> ~ ~ <br />I I <br />i ~ <br />j i i ~ i , i <br />- <br />1 1~ <br />/ <br />ii i""6 )!1 <br />1 <br /> I <br /> i 1 I i I I <br />t 1 <br /> ! i i i ~ I <br />° i t I ~_~ <br /> I I I! _ <br />I~+ i <br /> I i I i i i i i ~ i <br /> 'i~ i ! ~ i • <br /> i ( I I i ~ ! <br />REF: URBAN STORM DRAINAGE CRITERJA MANUAL, MAJOR DRAINAGE SECTION . <br />92 <br />~, ...~ j... s4J:~+~r"r. ~ ~+/~.h1 C,1, 1:1.1 <br />_, <br />.25 I <br />__~ <br />.1-~~f`..~_-c. <br />