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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 />ClDICIJO IIICO QIl,Tt :1 <br />~ IW!l Clil.ft.QIQ <br />O1[CJi:ttI IlIllIl cwtiZL.! <br />IIEWSUI C\IIlTt_ <br /> <br /> <br />M <br /> <br />Ca.NrY <br /> <br />HAYMAN FIRE AREA <br />HYDROLOGY <br /> <br />[Ow A <br />NORTH RAINBOW <br />FALLS PARK - TB4 <br /> <br /> <br />DRAWING <br />2 OF 6 <br /> <br />RAlNFAll DURAllON HR <br />RAlNFAll OCPTH iN <br />FlOWRATE CFS <br /> <br />0,75 <br />0,0 <br /> <br />,00 <br />5,J <br /> <br />1.25 <br />J),5 <br /> <br /> <br />1.50 <br />79,2 <br /> <br />2.75 <br />515,6 <br /> <br />3.00 <br />6J1.5 <br /> <br />O,6J <br />0,0 <br /> <br />1.21 <br />26,6 <br /> <br />2-HR <br />1.46 <br />69,9 <br /> <br />2,06 2,J7 <br />2J6.61 J51.1 <br /> <br />- <br /> <br />_"-"L <br /> <br />. <br /> <br /> <br />" <br /> <br />.- <br /> <br />j <br /> <br />FOURMILE <br />CREEK BASIN <br /> <br />t <br /> <br />. <br /> <br />- <br />NORTH RAINBOW FALLSPARK <br />(DESIGN POINT TC) - <br />SEE TABLE BELOW FOR RESULTS <br />OF RAINFALL ON BASIN 784 <br />HORSE CREEK BASIN <br /> <br /> <br /> <br />CREEK BASIN <br /> <br />-~., <br /> <br />, <br /> <br />=- <br />..,.- <br />.".. <br /> <br />~. <br /> <br />SINCE THE RUNOFF WILL BE CONVEYED ON THE <br />WJNSTEM WHERE THE EXISTING CHANNEL HAS <br />SIGNIFlCANT CAPACITY AND THE CULVERTS ARE <br />LARGE. AN EXTREMELY RARE EVENT WOULD HAVE <br />TO OCCUR BEFORE RUNOFF WOULD EXCEED <br />1000 CFS AND THREATEN PERSONAL PROPERTY, <br />CULVERTS, OR HAVE ADVERSE ROADWAY IMPACTS, <br /> <br />/ <br /> <br />. <br /> <br />"", <br />r' <br /> <br /> <br />Creek <br /> <br />- <br /> <br />--._.-...{ r <br /> <br /> <br />"'I <br />< <br /> <br />... <br /> <br /> <br />I <br /> <br />I <br />- <br />'NOTE: THIS DRAWING illUSTRATES THE <br />ANTICIPATED RUNOFF AT DESIGN POINT TC THAT <br />CAN BE EXPECTED FROM A HYPOTHETiCAl <br />RAINFALL EVENT ON BASIN TB4, RUNOFF WILL <br />BE CONVEYED TO NORTH RAINBOW FALLS PARK <br />PRIMARILY ALONG THE MAINSTEM OF TROUT <br />CREEK, <br /> <br />( <br /> <br /> <br />- <br /> <br /> <br /> -+- - <br />TROUT CREEK BASIN <br />. - <br /> - <br /> <br />7--'- ~- <br /> <br />- - <br /> <br />" <br /> <br />.-- <br /> <br />LEGEND <br />Q-BASIN 10 <br />~BASIN AREA (SO <br /> <br />& DESIGN POINT <br /> <br />^,,-,-,-"l AREA OF RAiNFALL EVENT <br />SUB-BASiN BOUNDARY <br />BASIN BOUNDARY <br /> <br />M <br /> <br />i) <br /> <br />. <br />
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