Laserfiche WebLink
<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> 0.8 0.180 60 <br /> Ct = Kt (L~Ca)0.14 <br /> S 0.22 <br /> S d BASIN SLOPE (ft./ft) _I <br /> 0.7 0.160 50 <br /> ~ <br /> 0 <br />0- 0.6 0.140 +- 40 <br />() ~ <! <br /> w <br /> 0:: <br />r- r- <! <br />Z Z <br />w 0.5 0.120 w 30 <br />Cp - (f) <br />() () ::> LITTLETON /ARAPAHO <br />l..!- I..!- 0 I <br />l..!- I..!- > _L_ COUNTY eURVE <br />w w <br />0 0 0:: <br /> W 1 <br />() 0.4 0.100 () a.. 20 <br /> ~ <br /> Kt DENSITY MEDIUM DENSITY <br /> 0.3 0.080 10 -- ~---" ,-~- -~-- <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />0.2 <br /> <br />0.060 <br />100 <br /> <br />o <br /> <br />o <br /> <br />2 <br /> <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />o <br /> <br />20 <br /> <br />80 <br /> <br />40 <br /> <br />60 <br /> <br />IMPERVIOUS - % <br /> <br />HOUSING DENSITY - UNITS PER ACRE <br /> <br />FIGURE I: PEAK TIME a RATE OF FLOW <br />COEFFICIENTS <br /> <br />FIGURE 2: IMPERVIOUS AREA / HOUSING DENSITY CURVE <br /> <br />SOURCE' URBAN DRAINAGE a FLOOD CONTROL DISTRICT, <br />JANUARY 1979. <br /> <br />SOURCE' URBAN DRAINAGE AND FLOOD CONTROL DISTRICT, MAJOR DRAINAGEWAY <br />PLANNING REPORT, LEE GULCH, LITTLE CREEK. OCTOBER 1977 <br />(REFERENCE A) <br /> <br />6 <br />