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<br />o 0 50 100 150 200 250 o 0 50 100 150 200 250 <br /> TIME (MIN.) TH1E (MIN.) <br /> LITTLE CREEK LITTLE CREEK <br /> HYDROLOGICAL POINT 100 HYDROLOGICAL POINT 200 <br />NOTE: PEAK REDUCTION FOR 5 YEAR FLOOD DUE TO DETENTION <br /> EFFECT AT RAILROAD CROSSINGS. <br /> <br />I <br />1 <br />1 <br />1 <br />1 <br />I <br />I <br />1 <br />I <br />I <br />1 <br />1 <br />I <br />1 <br />1 <br />1 <br />1 <br />I <br />I <br /> <br />2500 <br /> <br /> 2000 <br />V'l <br />u... <br />U <br />'-- <br />u.J 1500 <br />'-" <br />or: <br /><l; <br />::r:: <br />U <br />V'l <br />- <br />Cl <br /> 1000 <br /> <br />500 <br /> <br />K-K.B.N.A <br /> <br />100 YEAR <br />\ (FUTURE <br />100 <br /> <br />FLOOD, Qp = 2742 <br />CONDITION) <br /> <br /> <br />\ <br /> <br /> <br />I <br />~ <br /> <br />10 YEAR FLOO ,Qp 19 3 CFS <br /> <br />5 YEAR FLOOD W/O DETENTION, <br />Qp = 1008 CFS <br /> <br />5 YEAR FLOOD W/DETENTION, <br />Qp = 880 CFS <br /> <br />Consulting Engineers <br />Denver, Colorado <br /> <br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT <br />ARAPAHOE COUNTY CITY OF LITTLETON <br /> <br />100 YE R FLOOD, = 2702 FS <br />(FUTUTE CONDITION <br /> <br /> <br /> 2500 <br /> I 100 EAR FLOOD, Qp = 271 CFS <br /> I (PRE ENT CONDI IONS) <br /> 2000 I <br />~ 10 EAR FLOOD, Qp = 191 CFS <br />V'l ~ <br />u... <br />U <br />u.J ~ <br />'-" 1500 <br />or: <br /><l; <br />::r:: 5 {EAR F <br />u 000 W/O o TENTlON, <br />V'l ~ Qp = 120 CFS <br />- <br />Cl <br /> 1000 <br /> .-....- .. 5 YEAR FLOOD WID TENTION <br /> !~ Qp = 873 CFS <br /> I <br /> 500 <br /> <br /> <br /> <br /> <br /> <br />MAJOR DRAINAGE WAY PLANNING <br />LEE GULCH . LITTLE CREEK <br /> <br />FIGURE <br />A-2 <br /> <br />-A-3- <br /> <br />FLOOD HYDROGRAPHS <br />