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<br />I <br /> <br />I <br /> <br />I <br /> <br />Table 27. AlternatIve 2, DesIgn Data for ConceptualIzed <br />Grassllned Channel. <br /> <br />I <br /> <br /> Flood <br />Recurrence Design 8ottom Right-of-Way <br /> I nterva I Flow Slope Width Depth WIdth <br />LocatIon (years) (cfs) (ft/ft) (feet) (feet) lfeet) <br />Foss" Creek <br />Reach 1 10 3,200 .002 150 4.2 190 <br /> 50 6,450 .002 300 4.2 350 <br /> 100 8,000 .002 375 4.2 430 <br />Reach 2 10 2,800 .0024 120 4.1 170 <br /> 50 5,600 .0024 250 4.1 300 <br /> 100 7,200 .0024 325 4.1 380 <br />Reach 3 10 2,40 .004 75 4.2 130 <br /> 50 5,000 .004 175 4.1 230 <br /> 100 6,400 .004 215 4.2 270 <br />Reach 4, Colorado 10 2,400(1) .003 100 3.9 160 <br />& Southern Railroad 50 4,900 .003 200 4.0 250 <br />to Confluence with 100 6,400 .003 260 4.1 310 <br />Lang Gu Ich <br />Reach 4, Confluence 10 1 250(1) .006 35 3.9 95 <br />with Lang Gulch to 50 2'300(1) .006 65 3.9 125 <br />Conf I uence with 100 2;900(1 ) .006 75 4.2 135 <br />Burns TrIbutary <br />Reach 4, Confluence 10 550 .010 15 3.0 57 <br />with Burns Trlbu- 50 I 000(1) .010 20 3.8 80 <br />tary to Shields 100 I' 250(1) .010 25 3.9 85 <br /> , <br />Street <br />Reach 5 10 600 .014 15 2.9 57 <br /> 50 720 .014 22 2.0 64 <br /> 100 1,000(1) .014 25 3.2 77 <br />(1)SIde slopes for design channe I are 5h:l v <br /> <br />Table 28. Alternative 2, Design Data for Conceptualized <br />Channel Crossings for Fossil Creek. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Location <br /> <br />Design Recurrence Interval <br />10-year 50-year 100-year <br /> <br />I <br /> <br />Reach 1, County Road 11 <br /> <br />10'x32' span <br /> <br />10'x65' span <br /> <br />10'x82' span <br /> <br />Reach 2, Union Pacific <br />Railroad <br /> <br />10'x32' span <br /> <br />10'x65' span <br /> <br />10'x82' span <br /> <br />Reach 2, COunty Road 34 <br />(Trilby Road) <br /> <br />10'x32' span <br /> <br />10'x65' span <br /> <br />lD'x82' span <br /> <br />I <br /> <br />Reach 2, COunty Road 13 <br />(Lemay Ave) <br /> <br />10'x28' span <br /> <br />10 'x56' span <br /> <br />10'x72' span <br /> <br />I <br /> <br />Reach 3, Highway 287 <br /> <br />10'x64' span <br /> <br />I <br /> <br />Reach 4, Colorado & <br />Southern Railroad <br /> <br />10'x50' span <br /> <br />10'x64' span <br /> <br />I <br /> <br />Reach 4, Fossil Creek <br />Drive <br /> <br />2-6'xl0' box <br /> <br />10'x24' span <br /> <br />10'x30' span <br /> <br />Reach 5, Shields Street <br /> <br />2-4'x7' box <br /> <br />2-5 'xl 0' box <br /> <br />2-6'xl0' box <br /> <br />I <br /> <br />Reach 5, Taft Hill Road <br /> <br />1-4'xl0' box <br /> <br />1-6'xl0' box <br /> <br />1-6'x12'box <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />58 <br />