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TABLE 13 -7 -1 <br />SUMMARY OF WATERSHED PARAMETERS, PEAK FLOW, AND DESIGN STATISTICS FOR CULVERTS IN MINE PERMIT AREA, <br />SENECA II -W MINE, ROUTT COUNTY, COLORADO <br />WATERSHED PARAMETER <br />Culvert <br />Length <br />(Ft) <br />Culvert <br />Diameter <br />(In) <br />Maximum <br />Head <br />(Ft) (2) <br />Culvert <br />Area <br />(Ac) <br />Length <br />(MI) <br />Relief <br />(Ft) <br />CN <br />Peak Discharge <br />10 -Yr., 24 -Hr. <br />cfs <br />ME -2 <br />412.7 <br />1.25 <br />835 <br />70 <br />16.32 <br />97 <br />36 <br />1.9 <br />ME -5 <br />6.9 <br />1.18 <br />305 <br />89 <br />3.85 <br />40 <br />30 <br />0.8 <br />ME-6 <br />10.2 <br />0.64 <br />560 <br />70 <br />0.4 <br />40 <br />24 <br />0.3 <br />ME -7 <br />3.0 <br />0.23 <br />75 <br />89 <br />2.2 <br />20 <br />24 <br />0.7 <br />K -1 - removed <br />53.7 <br />1 See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />1.7 <br />100 <br />10 <br />2.0 <br />K -2 - removed <br />81.9 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />2.6 <br />100 <br />12 <br />2.0 <br />K -3 <br />Supplemental culvert to assist a proved design <br />12 <br />2.0 <br />OW -1 <br />110.3 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />5.8 <br />100 <br />15 <br />2.0 <br />PM -1 <br />14.1 <br />0.40 <br />150 <br />80 <br />4.9 <br />60 <br />18 <br />1.9 <br />PM -2 <br />4.2 <br />0.34 <br />123 <br />81 <br />2.9 <br />60 <br />12 <br />1.5 <br />PM-3 <br />10.6 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />1.9 <br />60 <br />10 <br />2.0 <br />PM -3A <br />Supplemental culvert to assist a proved design <br />PM4 <br />91.1 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />4.9 <br />60 <br />15 <br />2.0 <br />PM -5 <br />19.0 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />3.2 <br />60 <br />12 <br />2.0 <br />PM-6 <br />60.7 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />7.4 <br />60 <br />18 <br />2.0 <br />PM -7 <br />3.3 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />0.8 <br />60 <br />6 <br />2.0 <br />PM -8 <br />6.3 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />1.01 <br />30 <br />8 <br />2.0 <br />PM -9 <br />7.0 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />1.12 <br />30 <br />8 <br />2.0 <br />PM -10 <br />22.2 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />4.79 <br />30 <br />15 <br />2.0 <br />PM -11 <br />5.3 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />3.73 <br />30 <br />12 <br />2.0 <br />PM -12 <br />7.4 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />1.43 <br />30 <br />8 <br />2.0 <br />PM -13 <br />4.2 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />0.67 <br />30 <br />6 <br />2.0 <br />PM -14 <br />5.3 <br />See SEDCAD runs <br />See SEDCAD runs <br />See SEDCAD runs <br />0.71 <br />30 <br />6 <br />2.0 <br />PM -15 <br />Supplemental culvert to assist approved design <br /><4.9 <br />30 <br />15 <br />2.0 <br />PM -16 - removed <br />PM -17 <br />Supplemental culvert to assist approved design <br /><7.4 <br />60 <br />18 <br />2.0 <br />PM -18 <br />5.5 0.17 1 170 1 74 <br />1.82 <br />20 <br />12 <br />1.0 <br />PM -19 <br />Low water crossing to handle base flow - 0.31 cis <br />20 <br />10 <br />0.25 <br />PM-A5 - removed <br />117.0 See SEDCAD runs See SEDCAD runs See SEDCAD runs 3.8 <br />60 <br />12 <br />2.0 <br />Note: (1) See individual SEDCAD+ information in Attachment 13 -7 <br />(2) Minimum cover over top of culverts = 2 feet <br />3 Light-use road culverts for design parameters see Attachment 13 -9 <br />TR -80 13 -7 -2 Revised 09/13 <br />