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FLOOD05863
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Last modified
1/25/2010 7:07:07 PM
Creation date
10/5/2006 1:50:41 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
297
County
Boulder
Community
Boulder
Stream Name
Boulder Creek
Basin
South Platte
Title
Letter of Map Revision - Request - Boulder Creek
Date
1/1/1989
Designation Date
5/1/1989
Floodplain - Doc Type
Correspondence
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<br />_'I :t::" ,Ff,,' h,drol", W\~ <br /> <br />_....__ does not affect hydrology <br />should not use stream data reeor'ds <br />f rom to <br /> <br />./ existing info.-mati'?}l 10m.. FA I ~ <br />t i t1 e ..J2/fJ j) , f:!pV!0!!JL !dC..~ U flfr-Q) <br />t.i tie FI / _ ......._,,- <br />/ title . <br /> <br />V~w conditions <br />nllW methodologies <br />:::::....,,/Comparison prov ided <br />_\,( compatible wi th previous flows <br />significantly different statistically <br />confidence limits <br />90% confidence interval <br />50% confidence intl~rval <br /> <br />6. <br /> <br />Diversion <br /> <br /> <br />. <br /> <br />7. <br /> <br />Previous Studies: <br /> <br />I~ <br /> <br />FINDING: <br /> <br /> <br /> <br />The hydrologic <br />standards of <br /> <br />lysis _.._ meets _._ does not meet the mlnlmUm <br />Rule 5.B. (detailed) or __._ Rule 6.B. (approx.) <br /> <br />. <br /> <br />C. Hydraulic Analysis <br /> <br />~ '1fyn~~ ~ <br />~O-~::~ ~ :Jv~tt~ <br /> <br />_. lOO-year <br />500-year (optional) . <br />__ frequency-elevation table/(7V1'fl. <br /> <br />-~lOO-year <br />~500-year (optional) <br /> <br />/ step backwater method <br />~ HEC-2 <br />other <br />alternative method <br />published manual <br />assumed depth method <br />depth stated on maps <br />geomorphic features method <br />history flood method <br />rating curve method <br /> <br />1. Water Surface <br />'rof;l'~ <br /> <br /> <br /> <br />~~'2.-- P~)SV .. j)r <br />o ~~tv"Y 2. Floodplain <br />Boundaries: <br /> <br />3. Methodology: a. <br /> <br />b. <br /> <br /> <br />~ <br /> <br />4. Delineation <br />P,"ocedures: <br /> <br />-:7 <br /> <br />. <br /> <br />-8-. <br /> <br />o method etc.. <br />map contour method e c. <br /> <br />It,w''''? <br />( <br /> <br />
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