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Last modified
11/23/2009 12:41:36 PM
Creation date
4/10/2007 11:01:50 AM
Metadata
Fields
Template:
Floodplain Documents
County
Douglas
Community
Hayman
Stream Name
Horse Creek, Fourmile Creek, Trout Creek
Title
Hayman Fire Area - Approximate 100-Year Floodplain Delineation & Hydrology
Date
5/30/2003
Prepared For
Douglas County
Prepared By
Moser Engineering
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> <br /> <br /> <br />R\JNF.Il1 DURATION HR <br />R\JNF.Il1 OCPTH IN <br />FlOWRATE CFS <br /> <br />~ <br /> <br />PEAK R..OW 9 ..~~ TA8..E <br />'-HR <br />2,00 2,25 2.50 <br />1.0 40,0 7~0 <br /> <br />1.75 <br />0,) <br /> <br /> 2-HR <br />2,75 ),00 2.06 2,37 <br />14.0 51,0 0,0 48,0 <br />, <br />- - <br />....... ~ ..."" <br />- - ..n"" <br />.,..,.,. - CliUt2!lll <br />....., ..n_ <br /> <br />SINCE THE RAINFALL EVENT OCCURS ON AN <br />UNBURNED AREA AND THE RUNDFF WILL BE <br />CONVEYED ON THE MAJNSTEM WHERE THE <br />EXISTING CHANNEL HAS SIGNIFICANT CAPACITY <br />AND THE CULVERTS ARE LARGE, AN <br />EXTREMELY RARE EVENT WOULD HAVE TO <br />OCCUR BEFORE RUNOFF WOULD EXCEED <br />1000 CFS AND THREATEN PERSONAL <br />PROPERTY, CULVERTS, OR HAVE ADVERSE <br />ROADWAY IMPACTS. <br />,~. <br />AK FLOWS AT <br />RTH RAINBOW <br />PARK - TB12 <br /> <br /> <br />M <br /> <br /> <br />Ca.NrY <br /> <br />HAYMAN FIRE AREA <br />HYDROLOGY <br /> <br /> <br />DRAWING <br />3 OF 6 <br /> <br /> <br />... <br /> <br /> <br />, <br /> <br />,. <br /> <br />.,... <br /> <br />,- <br /> <br />HORSE CREEK BASIN <br /> <br />NORTH RAINBOW FALLS PARK <br />(DESIGN POINT TCl - <br />SEE TABLE BELOW FOR RESULTS <br />OF RAINFALL ON BASIN TB' 2 <br /> <br />, - ~. <br /> <br /> <br />, <br /> <br /> <br />TROUT CREEK BASIN <br />, <br /> - ___---ll <br /> l <br /> _-:-r~_.. <br />, ~ ~......... ' '.., <br />,'-' WEST CREEK BASIN <br />FOURMILE <br />CREEK BASIN <br /> <br />..........:.."........ <br /> <br /> <br />Creek <br /> <br />~, <br /> <br />"\ <br />( <br /> <br />'NOTE: THIS DRAWING iLLUSTRATES THE <br />ANTICIPATED RUNOFF AT DESIGN POINT TC <br />THAT CAN BE EXPECTED FROM A <br />HYPOTHETICAL RAINFALL EVENT ON BASIN <br />TB' 2, RUNOFF WILL BE CONVEYED TO <br />NORTH RAINBOW FALLS PARK PRIMARILY <br />ALONG THE MAlNSTEM OF TROUT CREEK, <br /> <br />I <br />-l- LEGEND <br />@=BASIN 10 <br /> BASIN AREA (SO Mil <br />~ <br /> DESIGN POINT <br />.. "'''''~ AREA OF RAINFALL EVENT <br /> SUB-BASIN BOUNDARY <br /> BASIN BOUNDARY <br /> .-/- <br /> ( <br />. ... <br /> - ~ <br /> " <br /> ~ - <br /> ~ "'\ <br /> .. <br /> - <br /> ~ <br /> I <br /> <br />I <br />I <br /> <br />\ <br /> <br /> <br />.. <br /> <br />- <br />
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