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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 />AREA OF BASIN LENGTH OF BASIN om TO CENTROID IIftRYIQJS AREA SLOPE lJUT Cl.RATla. <br /><S(}lll (MU (HIl (peTl (FlirT) (HIN) <br /> <br />.1l8 <br /> <br />41 <br /> <br />lB <br /> <br />40.00 <br /> <br />0060 <br /> <br />5,00 <br /> <br />COEFFICIENT COEFFICIENT <br /><REflECTING WI( TO PEAA) (RELATED TO PEAK RATE OF RIKlfF) <br /> <br />093 <br /> <br />.358 <br /> <br />CtLOJ.ATEO~ITHYt1lOC.RAPH <br />THE TO PEN:. T1HE OF CCKENTRATI()rt PEN:. RATE OF RtKf'F LNIT HYORCGWH PEAK YO.lK OF RLlCf"F <br />(HIN) (HUH (CFS/SI)II) (US> (AF) <br /> <br />8.82 <br /> <br />22.00 <br /> <br />2174.81 <br /> <br />176.16 <br /> <br />..,2 <br /> <br />-- t<<lTE : Tl( TIME TO PEM: [$ CALClI..ATED SASED ()Ill( ruE OF C(J(;EHTRATllJt PROVlo(D BY TII: IJS[R. <br />REPlACING TIE ewE C!JtPUTEO BY CtJflO (TI'- 7.96) <br /> <br />WIDTH AT SO. 14. MIN. WIDTH AT 75" 7. MIN. 1C5O..35 K.75" .45 <br /> <br />RAINFAll LOSSES INPUT WI BASIN DATA <br /> <br />11o\X. PERYlllJS REf. .. .40 IN. 11o\X. (ftlERYIOOS RET. .. .10 IN. <br />IHFILTRATICIt .. 4.50 IN.ltfI.. DECAY.. .OOI8D/SEaHI FNINfl".60 IN,/tiI.. <br /> <br />TII1E "'IT TII1E "'IT TII1E "'IT <br /> HY_ HY_ HY_ <br />o. 0, 20. 75. 40. 18. <br />5, 117. 15. 51, 45, 12, <br />10. 171. 30. 36. 50, 8. <br />15, 113. 35, 25, 55. o. <br /> BASIN 10: 43 .. BASIN llH01: SL88ASIN l~ 43 <br />-- STCRl NO. . ~TE {JI; RHLRN Pf:RIOO . lOOYEAA <br /> IHCREI1ENT TOTAl STIllM INCREI'ENT TOTAl STIllM <br />TII1E RAINFAll EXCESS HYIlIlOOW'H TII1E RAiNfALL EXCESS HYIIAll>WH . <br />(HIN,) (IN) PRECIP <CFSl (HIN,l (IN) PRfCIP (CFS) . <br /> . <br />o. 00 .000 o. 70. .05 .023 59. <br />5. .03 .000 o. 75. .05 .023 44. . <br />10. .08 .003 o. 80, .03 .012 30. <br />15. .12 .047 6, 85. .03 012 21. <br />20, .12 082 18. 90. ,03 .012 16. . <br />15. .38 .153 38, 95 .03 .012 13, <br />30. .58 .621 112. 100. .03 .012 11, <br />35. ,38 .335 172. tos. 03 012 9. <br />40. 22 .178 166. 110. 03 .OIl 9. <br />45. .17 .132 143. US. 03 .012 8. <br />50. .1' .101 121. 120. ,03 .012 8. . <br />55 11 075 100 125 .00 .000 6. <br />60. II ,Il75 84. 130. .00 000 .. <br />65 II 076 73. 135. 00 000 3. <br /> <br />TOTAl P!l:EClf'. .. 3.12 (l.fO.R RAIN.. 2.70) EXECESS PR[CIP .. 2.036 INCHES <br />1/ll.lJ'!fOFEXCE$SPRECIP" 9. ACRE.FEET <br />PEAl( Q" 172. CFS TJI1[ OF PfAK" 35. MIN. <br />rNFlLT.- 4.50 IN/lfl. DECAY" .00180 FNINF" 60 IN/iii: <br />i'tAX.PERV.RET." .40 IN. MAX.IMP.RET.- .10 IN. <br /> <br />RATl()IAL FCRUA C .. .65 <br />I- 5.01NOf:S/I-OJI: <br />A.. 51.8 ACRES <br />Q" 170. CFS <br />U.O.F e.o. CLHP RLNJFF AH,tLYSIS OIMEO l>>I DATE AT TIME <br /> <br />CtHPE/PC VERSfe>>t .'OlIFIED IN JAtl.Wl.y 1985 <br />?RIHTOPTlCJrlm..t18ERSELECTEDFlll.THISBASIN[S 7 <br /> <br />BlllHE;l.C GlUH; IOO-YR; PEIoIA FIS: 8/25/97 (BHIODFIJ.ClllladdH&AGC/pond3 <br /> <br />BASINID: 44 <br /> <br />BASIN C(H1EHT; SlEBASlN 10- 44 <br /> <br />AREA Of BASIN LENGTH OF BASiN OIST ro CENTROIO !HPf:RVI!lJS AREA SlCPE tlm ll.P.ATIa. <br /><Se,H) (H[) (HO (PCTl (fT/FTl (/tIN) <br /> <br />12 <br /> <br />.60'< <br /> <br />5.00 <br /> <br />.26 <br /> <br />21.00 <br /> <br />.0170 <br /> <br />34 <br />
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