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FLOOD05348
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FLOOD05348
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Last modified
1/25/2010 6:48:58 PM
Creation date
10/5/2006 1:28:39 AM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Boulder
Stream Name
Boulder Creek, Dry Creek
Basin
South Platte
Title
Flood Hazard Area Delineation
Date
6/1/1975
Prepared For
Boulder
Prepared By
UDFCD
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> 12 <br /> II <br /> 10 <br /> 9 <br /> 8 <br /><J) <br />"- <br />u 7 <br />0 <br />"' <br />~ 6 <br />'" <br />'" <br />0: <br /><{ <br />:z: 5 <br />u <br /><J) <br />0 <br /> 4 <br /> 3 <br /> 2 <br /> <br />o <br />o <br /> <br /> <br />2 <br /> <br /> <br />IOO-YEAR FLOOD HYDROGRAPH <br />DRY CREEK ABOVE ARAPAHOE ROAD <br /> <br />Rainfall <br />Amount <br />Duration <br /> <br />Basin <br />Area <br />Length <br />LCA <br />Slope <br />Pervious <br />CT <br />CP <br /> <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />6 <br /> <br />7 <br /> <br />8 <br /> <br />9 <br /> <br />10 <br /> <br />II <br /> <br />TIME I N HOURS <br /> <br />C\) <br /> <br />lelJnilrd RiceConsultlnq WiilerEnqlneers,lnc <br /> <br />2.7 in. <br />2 hr. <br /> <br />7,5 sq. mi, <br />4.9 mi. <br />2.2mi. <br />0,012 <br />BO% <br />0.90 <br />0.47 <br /> <br />12 <br /> <br />13 14 <br /> <br />15 16 <br /> <br />FIGURE 2 <br /> <br /> <br /> 14 <br /> 13 <br /> 12 <br /> II <br /> 10 <br /> 9 <br />In <br />"- B <br />'-' <br />0 <br />~ <br />'" 7 <br />'" <br />'" <br />0: <br />.. <br />:z: 6 <br />'-' <br />!'? <br />" <br /> 5 <br /> 4 <br /> 3 <br /> 2 <br /> <br />IOO-YEAR FLOOD HYDROGRAPH <br />DRY CREEK AT BOULDER CREEK <br /> <br />- - I .""",, <br />I Amount <br />Duration <br />Basin <br />Area <br />Length <br />LeA <br />Slope <br />Pervious <br />CT <br />CP <br /> <br /> <br />o <br />o <br /> <br />2 <br /> <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />6 <br /> <br />7 <br /> <br />B <br /> <br />9 10 I I 12 13 14 15 16 17 18 19 20 21 <br />TIME IN HOURS <br /> <br />FIGURE 3 <br /> <br />5 <br /> <br />2.7 in. <br />2 hr. <br /> <br />13,6 sq. mi. <br />8.3 mi. <br />3.8 mi, <br />0.012 <br />80% <br />0,90 <br />0,47 <br />
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