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<br />• <br /> <br />Table.19=2: New Elk Post Mine Drainage. :...:..:.:.' ' <br /> <br /> <br /> <br /> <br /> <br />itcb :: ..100-Year 24-Hour : <br /> <br /> <br /> <br />ischa <br />rge (cfs).: <br />...: <br />.... . <br /> <br /> <br />Slope (%) <br /> <br />...:.. <br />,.... <br /> <br />Type' ':.. <br /> <br />. <br /> <br /> <br />:..$hepe=': ;::: <br /> <br /> <br /> <br /> <br />Depih..(ft) <br />D17 133.27 5.7 15" ltiprap 6' Trap 1.44 <br />D18 38.34 4.11 9" Riprap 6' Trap 0.84 <br />D19 58.63 2.3 9" Riprap 6' Trap 1.03 <br />D20 106.8 6 15" Itiprap 6' Trap 1.32 <br />D21 56.05 6 9" Riprap 6' Trap 0.99 <br />D22 37.48 3.5 9" Riprap 6' Trap 0.83 <br />D23 175.75 3.7 18" Riprap 6' Trap 1.62 <br />D30 113.04 4 12" ltiprap 8' Trap 1.26 <br />D31 15.01 18 9" ltiprap 6' Trap 0.47 <br />D32 235.4 9.6 18" Riprap 12' Trap 1.45 <br />D33 8.54 4 Earthen Tri 1.05 <br />D34 16.89 9.6 6" Riprap 8' Trap 0.52 <br />D35 22.59 6.8 6" Riprap 6' Trap 0.64 <br />D35A 15.07 8.5 6" ltiprap 6' Trap 0.54 <br />D36 88.12 4.6 12" 1Zprap 6' Trap 1.25 <br />D37 90.28 1.2 Earthen 8' Trap 1.67 <br />' Riprap size refers to DSO; see specific designs for D10 and D,,,,,. Riprap thickness is 1.5'D30. <br />Z Dimension is bottom width. See specific designs for top width. <br />' Sideslopes are 3:1 (H:~ <br />