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<br />6/5/96 Page 1 <br />HYDROGRAPH REPORT <br />RECORD NUMBER 1 <br />TYPE COMPUTED FLOOD <br />DESCRIPTION KATH POSTDEV+ xtra lot 10YR <br />[HYDROGRAPH INFORMATION] <br /> <br />Peak Discharge.. . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />Vo 1 ume, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />Time Interval......,.........,.,.......... <br />Time to Peak..........,................... <br />Time of Base"....................,......, <br />Multiplication factor...................., <br /> <br />= <br /> <br />7.30 <br />0.43 <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 /> <br />Uni t hydrograph #.. . . . . . . . . . . . . . . . . . . . . . . .. = <br />Unit hydrograph type...................... = <br />Peak Dlscharge. . . . . . . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .... = <br /> <br />Shape Factor.. . .. .. .. . .. .. . .. . .. .. . .. . .. .. . .. .. .. .. .. .. .. .. . .... = <br /> <br />Time Interval.................................................... = <br />Time to Peak......................... ,. .. . .. .. .. .. .. .. .. .. .. .. " .. .... = <br />Time of Base....... I .. .. .. .. .. . .. I .. . .. .. .. .. . .. .. .. .. . .. .. .. .... = <br />Rainfall Excess.............................................. = <br />Basin Lag Time................................................... = <br /> <br />jCfS) <br />a<;: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 turf,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 Precipi tation. . . . . . . . . . . . . . . . . . . . . . . <br />Ret urn Peri od. . . . . . . . . . . . . . , . . . . . . . . . , . . . . <br />Storm Duration. . ... . . . . . . . .... . .... . .. . . .. <br /> <br />= <br /> <br />SCS II <br />16.17 ~~~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 />(min) (cfs) <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 />