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C~ <br />~~ ~ r .--h-.-.~ <br />~ I I ' `' <br />I f ~_ I I j Q II l I ~ I I <br />o ~/~~~ <br />=-~_~ ~--_ ~ r <br />q ~e <br />~~~ P _- <br />~4 ~~ <br />~~ _ ~ \\~_ <br />~~ <br />I I <br />-- _ o-- <br />O c' -° _ a <br />~~~, <br />_-_~ <br />~~~ / <br />~ \~' // <br />TOP VIEW <br />.~ <br />J <br />O SECTION <br /> <br />wA [ERRAR (CROSSD(iC7i1. I:anstruc[ion for unpaved forest roads with limited or restricted <br />traffic. ':pectficat ions are average and may be ed Justed to gradient end other condtttons. <br />1, bank tie-tn point cu[ 6 to l2 in. into roadbed: B, cross dreln bean hetght 12 [0 24 in. <br />above roadbed: C, drain outlet cu[ d to 16 tn. into roadbed; D, angle drain SO to 40 <br />degrees dpwnward w: th road centerline: E, hetght up to 24 in: F, depth to IB in; l:, 76-48 in. <br />Pubirshed ! r/ 15/91 <br />Figure 9 <br />Typical Water Bar Installation <br />(Idaho 1991 } <br />