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FLOOD02246
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FLOOD02246
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Last modified
1/25/2010 6:23:53 PM
Creation date
10/4/2006 10:43:42 PM
Metadata
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Template:
Floodplain Documents
County
Boulder
Community
Boulder
Stream Name
Bullhead Gulch
Basin
South Platte
Title
Bullhead Gulch Hydrology Report
Date
8/22/1997
Prepared For
FEMA
Prepared By
Taggart Engineering Associates, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br /> <br />6 <br /> <br /> <br />I <br /> <br />August 25, 1997 BHIOOFI3.CHO <br /> <br />I <br /> <br />RAiNfAlL LOSSES IHPUT 101/ BASIN OATA <br /> <br />I <br /> <br />MAX. Pf.RV[()JS RH. .. 40 IN <br />INfILTRAT1()t"4,50IN./Ifl:. <br /> <br />rw:,It'PfRV1OJSR[T ,lOIN <br />OECA~" 00180/SECOO FNINfl - .60 IN./tfI. <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />RATI()w' FCflJUA C .. .65 <br />I - 4.8 INCHES/H:l.R <br />A.. ?7.S ACRES <br />Q- 86. CFS <br />U.O.F.C.D. ClJP RlN:fF Nt4L.YSIS EXECUTED ~ DATE <br /> <br />ATTIl'f: <br /> <br />I <br /> <br />ClJf>(/PCVERSI()tI'Q)IFIEDINJAA'UARY1965 <br /> <br />I <br /> <br />PRINT OPTI(Jt Nlt6ER SELECTED HR THIS MSIH IS <br />BLlLHEAIl GllOi: lOO-YR: FEMA FIS: 8/25/97 (BHI00FlJ.CHlladl1H&ilGC/pond3 <br /> <br />BASIN 10' <br /> <br />BASIN C()t(NT: SI.8BASIN 10- 6 <br /> <br />I <br /> <br />AREA 1'"$ BASIN LE~TH OF &\SIN erST TO CENTROJO IHPERvlCXJS MEA SlOPE lMlT llRATI(Jl <br />ml411 (I'm (MIJ (PCTl (FT/FT) 011H) <br /> <br />18 <br /> <br />57 <br /> <br />15 <br /> <br />36.82 <br /> <br />0310 <br /> <br />5.00 <br /> <br />I <br /> <br />COEFFICIENT COEFFICIENT <br />(REFLECTING TIME TO PEAK) (RELATED TO PEAK RATE ~ RUNOfF) <br /> <br />095 .370 <br /> <br />I <br /> <br />CAlCtlATED LMlT HYOROOW'H <br />TIME TO PEM PEAK RATE Of RlKlff LtflT HYDR<XiRAP PEAK vctLK Cf RlKlFF <br />(Hilt) (CFS/S()t1l (eFS) (AFl <br /> <br />7.63 <br /> <br />2764.95 <br /> <br />503.22 <br /> <br />9.71 <br /> <br />wIDTH ~T 50" 11. MIN. IoIIOTH AT 75.. 6, HIN GO.. .35 K75...45 <br /> <br />I <br /> <br />RAINfAll LOSSES INPUT '~I BASIN DATA <br /> <br />/IIAX. PERVI(XJSRET, ",401N <br />INFrLTRATlCW"4.50IH./Ifl:. <br /> <br />MAX. IHPERV!OOS RET <br />DECAY - Q0180/SECOO <br /> <br />.10 IN. <br />FNINFl- .60 rN./~. <br /> <br />I <br /> <br />HME !.WIT <br />HY""""'" <br /> <br />mE lMlT <br />"'''''''''''' <br /> <br />TIME l.HT <br />flY""""'" <br />
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