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j I~~{~ //-FILTER RO::K jG~T!Oh'AiJ ' <br />CHECK DAM PCK ~ I I `/ MAXIMUM DAM HEICI-~7 e' <br />T <br />7 I ~ <br />~ i <br />11 D/? "Ow <br />52L ~ DJRECTIDN <br />APRON <br /> <br />-_ - I v...... <br />TOED-IN WOVEN FILTER FABRIC ~OPAONAL; <br />~ !." ' D/z - PROFILE <br />i ~~~\~ <br />I I <br />c r•~ ~. E..~ .~ <br />D/7 <br />TOED-lN WOVEN FILTER <br />FABRIC ~ OPTIONAL j <br />CROSS SECTION <br />APPROX/MAJE ROCK GRADATIONS <br />FOR CHECK DAMS <br />CHECK DAM ROCK <br />Omo+ = 1T' <br />D ~ = 6" <br />Dmin = J" <br />FIC IEP ROCK <br />S jE 7. PASSING <br />r' 100 <br />J/1" 30-l00 <br />J/8" 10-55 <br />~~ D-15 <br />NOTE: SCORIA IS ACC£PTABL£ CHECK DAM OR FILTER ROCX. <br />Figure ]3-4 <br />Typical Rock Check Dam <br />(OSMRE, et. al.) <br />