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FLOOD01607
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Last modified
11/23/2009 12:58:13 PM
Creation date
10/4/2006 10:08:52 PM
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Floodplain Documents
County
Gilpin
Community
Central City
Stream Name
Eureka and Nevada Gulches
Title
Master Drainage Study
Date
2/12/1988
Prepared For
Central City
Prepared By
HydroDynamics
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 /> <br />- <br />4 <br /> <br />p,4- <br /> <br />****************'f'~********************** <br />* * <br /> <br />'.' <br />... <br />... <br /> <br />BCB CURVE NUMBER METHOD <br />FLOOD HYDRDGRAPH EVALUATION <br /> <br />.,., <br />... <br />... <br /> <br />***.~************************************ <br /> <br />WATERSHED: <br />FLOOD EVENT: <br /> <br />EUF!Eli{-l GUUJi ,'T NEVADI'l GULCH CONFLUENCE <br />100'-YEAI~/ L,HOUR STORM <br /> <br />CLIENT: <br />PRO,JECT NUMBER: <br /> <br />CEI'nf~(4L. U TY <br />870:',;~O'-O:~!. <br /> <br />DATE: <br />USER: <br /> <br />o 1-<~1-1 ':i8E! <br />\JSF <br /> <br />WATERSHED CHARACTERISICS <br />************************ <br /> <br />WATERSHED {)REA <br />AVERAGE SLOPE <br /> <br />1185. 00 ACF!ES <br />21 . 4,0 PEF:CENT <br /> <br />NUMBER OF SUBDRAINAGES, <br />EFFECTIVE CURVE NUMBER <br /> <br />1 <br />130 ~ 2:5 <br /> <br />RUNOFF CHARACTERISTICS <br />********************** <br /> <br />TOTf~L STORM F'REC I F' IIAT ION <br />HYD~OGRAPH TIME INCREMENT <br /> <br />2.75 INDiES <br />0.25 HOURS <br /> <br />PEAK FLOW <br />TIME TO PEAK FLOW <br />RUNOFF VOLUME <br /> <br />672.15 CFS <br />3.50 HOURS <br />106. 5E! (-,CRE -FEET <br /> <br />TOTAL STORM RUNOFF <br />RUNOFF COEFFICIENT <br /> <br />1.08 INCHES <br />O. :5C) <br />
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