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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
Fields
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 />I <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 />I <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 />August 25,1997 BHIOOFI3.CHO <br /> <br />1W.Pt:RV RU.- .40 IN. <br /> <br />,,*,X.ltfl.RET.- lOIN. <br /> <br />RATlQW. FCRU.A C .. 59 <br />[- 4_1[NOf:S/~ <br />fl.- 57,0 ACRES <br />Q- 138 CFS <br />U,Q.f.C.O. CUiP Rl.N:H ANALYSIS EXECUTED ()rI DATE <br /> <br />ATTlHE <br /> <br />ClH'(/PC VERSI<J4 tOHF!ED IN JAMJAAV 1985 <br />PRINT (IlT!{Jt It..tftR SElECTED F{Il: THIS BASlN [S <br />BU.LIE,6lIlll.CH: IOO.YR: m~ FIS: 8125/97 CBHIOOfIJ.OHladctl&AGC/pondJ <br /> <br />BASIN 10: 20 <br /> <br />BASIN CClf(NT: st88ASIN 10- 20 <br /> <br />AREA ~ BASIN LEtCiTl+ OF BASIN OIST TO CENTROID IPftRVIOJS AIlf.A SlOPE IIUT Jl.M.T1l1t <br />(SI)li) Uti) (foUl (PeT) (FT/FT) OHN) <br /> <br />.08 <br /> <br />.70 <br /> <br />.38 <br /> <br />32.00 <br /> <br />,0230 <br /> <br />5.110 <br /> <br />al:FfICIENT COEFFICIENT <br />(REFLECTING TIHE TO PEAK) (RELATED TO PEAK RATE OF RlJr(Ff) <br /> <br />098 <br /> <br />,,.. <br /> <br />otaLAT(DIJIITH'fIlR(Gtf.PH <br /> <br />rut: TO PEAK rut: OF COCENTRATHW PEAK RATE OF RlXfF {JUT H'tIRliRAPtI PEAl Wl.lII rE AI.ICJf <br />(HIN) (HIN) <CFS/SO'tIJ (CFS) Uf) <br /> <br />10.08 <br /> <br />31.00 <br /> <br />1465.48 <br /> <br />123.10 <br /> <br />4.4. <br /> <br />-- NJTE : TtI: TUE TO PEAK IS CAL01.ATEO BASED ()t Tl( Till: OF ca<<:ENTRATlCI4 PJIOVIID BY TIE USER. <br />REPlACING Tl( {)E CCtflUTEO BY CtJflD (TP- 10,19) <br /> <br />"10TH AT 50.. ZOo MIN. WIOTH AT 75" 11. MIN. GO.. .30 105.. .40 <br />RAINFAll LOSSES INPUT WI BASIN DATA <br /> <br />*I. PERVIOJS RH. .. .40 IN. KU. UflERVHlJS RfT. .10 IN. <br />INFIlTRATICJt .. 4.50 IN./~. DECAY" .OOl80/SECOO fNHfl".6O HUtt{. <br /> <br />TIHE LOIT TIHE LOIT TIHE LOIT <br /> H't1lAOOW'H H't1lAOOW'H H't1lAOOW'H <br />0 o. 30. 48. '" 11. <br />5 " 35 38. 65 lQ. <br />10 123. 4Q. 31. 70. 8. <br />15. 102. 45 24. 75. 0 <br />10. 79. SO. 10 0, o. <br />15 50 55, 16. o. o. <br /> BASINID; 10 BASIN CIlKNT SL6BASIN :0- 20 <br />-STCIlIl/l).- DATE ~ RETlRH PERIOO - 100YEAR <br /> INCREMENT TOTAL \TCI!H INCREMENT TOTAl. 5"'" <br />TIME RAINFALL EXCESS HYORffiRAI'Il TIME RAINFAll EXCESS HY""""'" <br />(~IN. ) (IN) IlRECIP (CFS) (MIN.) (IN) ?REC1P (CFS) <br />Q. 00 000 o. 75. .05 .019 59 <br />5. .03 000 0 " .03 .010 49. <br />10 08 .OOZ o. 85. .03 010 4Q <br />15. 12 .038 3. "" .03 .010 33. <br />10 .22 .066 10. 95. 03 .010 27. . <br />25. .38 126 22 100. 03 010 19, <br />30. 68 619 /5, 105. 03 010 I' <br />J5 .38 .331 123. 110. .03 .010 11, <br />4Q. .22 .175 133. 115. .03 010 10. <br />45. .17 .128 126 120. 03 .010 9. <br />SO. I' 098 115. 125. 00 000 7 <br />55 11 .072 102. 130 00 0" 5. <br />50 11 072 91. US. GO 000 .. <br />65 11 072 d2. 140 00 0" 3. <br />70 OS 019 71. 145 GO 000 2 <br /> TOTAl ?RECIP. - J. t2 (l.1O.,R RAIN - 2,70) fXECESSPRECIP. -1.925 lNOE5 <br /> 'IQIJIE Cf EXCESS PIl:ECIP - 9. A.CRE.FEET <br /> PEAK a - 133. CFS TII"EOFPEAK- 40. JotIN. <br /> !Nf{Lf.- 4.50 lNIlt!. DECAY- ,00180 FN!NF- .601N/I-R <br />f'\I.X.PERY.RET.-,40IN. i'W,IIfl.RET.- l() IN. <br /> <br />12 <br />
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