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<br />6/5/96 <br /> <br />Page 1 <br /> <br />HYDROGRAPH REPORT <br />RECORD NUMBER 1 <br />TYPE COMPUTED FLOOD <br />DESCRIPTION KATH POSTDEV+ xtra lot 100YR <br />[HYDROGRAPH INFORMATION] <br /> <br />Peak Discharge............................ <br /> <br />Vol ume. . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Time Interval...........,................. <br />Time to Peak...............,.............. <br />Time of Base.,..........,.............,... <br />Multiplication factor..................... <br /> <br />= <br /> <br />10.86 <br />0.66 <br />4.00 <br />720.00 <br />1472.39 <br />1. 00 <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />[UNIT HYDROGRAPH INFORMATION] <br />Uni t hydrograph #. . . . . . . . . . . . . . . . . . . . . . . " = <br />Unit hydrograph type...................... = <br /> <br />Peak D~scharge............................ = <br />Shape Factor.. . . . . . . . . . . . . . . . . . . . . . . . . . . .. = <br /> <br />Time Interval.......,..................... = <br />Time to Peak.............................. = <br />Time of Base.............................. = <br />Rainfall Excess........................... = <br /> <br />Basin Lag Time............................ = <br /> <br />jCfS) <br />ac;:ft) <br />m+n~ <br />mln <br />min <br /> <br />1 <br />CURVILINEAR UH <br />11.23 (cfs) <br />484.00 <br />4.00 <br />6.67 <br />33.33 <br />1. 00 <br />6.00 <br /> <br />[BASIN DESCRIPTION] <br /> <br />[WEIGHTED WATERSHED AREA] <br /> <br />------------------------------------------------------ <br /> <br />DESCRIPTION AREA CN# <br />------------------------------------------------------ <br />BLDG,BIT,WALKS 0.73 98 <br />LAWN,LANDSCAPE 0.20 61 <br />future bldg,etc 0.61 98 <br />furtue turt,etc 0.11 61 <br />------------------------------------------------------ <br /> <br />Overall Approximation 1.65 91 <br /> <br />[TIME CONCENTRATION -- USER DEFINED] <br /> <br />Time of Concentration..................... = <br /> <br />! m~ n ~ <br />mln <br />min <br />in) <br />min) <br /> <br />10.00 (min) <br /> <br />[RAINFALL DESCRIPTION] <br />Distribution Type.....,.,....,.........." <br />Total Precipitation......,................ <br /> <br />Return Period............................. <br />storm Duration. . . . . . . . . . . , . . . . . . . . . . . . . . . . <br /> <br />= <br /> <br />SCS II <br />105' 90 ~ ~~r < <br />24.00 ~h ) <br /> <br />= <br /> <br />= <br /> <br />= <br /> <br />[Unit Hydrograph Flow Values Time vs. Flow] <br />(The time interval is %.llf min) <br /> <br />----------------------------------------------------- <br /> <br />TIME INTV TIME FLOW <br />( mi n ).. ( c f s ) <br />----------------------------------------------------- <br />o 0.00 0.00 <br />1 4.00 7.41 <br />4 16.00 1.65 <br />7 28.00 0.10 <br />