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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 /> August 25, 1997 BHIOOFI3.CHO <br />30 68 '" 169. 100 03 .007 9, <br />35 J8 328 219. IOS. 03 .001 8, <br />40 " 111 lDJ. 110 .03 .007 7, <br />45. !7 L15 175. 115 03 .007 6. <br />50 " l)<J4 141 120. 03 .007 6. <br />55. .11 068 121. 115 .00 .000 4, <br />60 11 068 101 130 .00 000 3. <br />55 11 068 89 135 00 .000 " <br /> TOTALPlUIIP.- 3.12 (l-t(Ul; RAIN .. 2.701 (XECESSPRECIP. .. 1.801 lNOE5 <br /> VG..lt1ECfEXCESSPRECIP" 11. ACRE.fEET <br /> PEM Q.. 119,CFI fUll OF PEAK .. 35. HIH. <br /> iNFILT.- 4.37 IN/Ifl. DECAY-.DOleo FNINF .. .591N/IfI. <br /> HAX.P€RV.RET.-.40IN. MAX.IMP.RET.- .10 (N, <br /> <br />RATlCIW. f{RUA C .. 58 <br />I .. 4.9 INOES/Hl.R <br />A- 71.0 ACRES <br />0" 202. CfS <br />U.O.F C.O. CltfI RlMH ANALYSIS EXECUTED ~ OATE <br /> <br />ATWl <br /> <br />awt:/PC YERSl(){ l'OOlFIED IN JAHUAAY 1965 <br /> <br />PRINT(JIn()rl~RSElECTEDFCRrHISBASIN[S <br /> <br />BllUOO (llOt; IOO.YR: FEHA FIS: 812S/97 (BHI0OFI3.CHllac:llti&JGC/p0nd3 <br /> <br />BASINJO: 14 <br /> <br />-- BASIN QJt1EHT: Sle8ASIN 1000 14 <br /> <br />AREA Cf BASIN lENGTli Cf BASIN OIST TO CENTROID ItftRVIQJS AREA SUR lIUT ll.RATIIII <br />($()ill (HI) (I'll) (PCT) (FTtFTI (HIN) <br /> <br />.16 <br /> <br />.85 <br /> <br />.39 <br /> <br />16.46 <br /> <br />.0330 <br /> <br />5.00 <br /> <br />CCl:FFICIENT COEFFICIENT <br />(REFlECTIMi TI~ TO P[Ml (RELATED TO PEN:. RATE OF Rl.J(FF) <br /> <br />.IlS .230 <br /> <br />CAlCl.lATEDI..NITHV~ <br /> <br />Till: TO PEAK PEAK RATE Cf Rl.J(FF litH HYMOOW' PEAK va.LK CF llI.IIJfF <br />(HIN) (CFS/Sl)tD {CFSl (Af) <br /> <br />1l.74 <br /> <br />955.74 <br /> <br />151.96 <br /> <br />8,48 <br /> <br />WIDTH AT 50" 31. HtN. WIDTH AT 75 - 16. MIN, GO - .22 "'75 - .30 <br />RAINFAlL LOSSES INPUT WI BASIN DATA <br /> <br />HAX PERVIMRH. - AD IN. HAX. (MPERVIMFl[T. .10 IN. <br />[NfILTRATIC*-4.43 [N./~. DECAY- OO180/SEC()j() FNINFl- .60 IN.I~. <br /> <br />TIME I.JiIlT <br />HY"""""'" <br /> <br />TIHE I.JiIIT <br />HYOROOW'H <br /> <br />WE I.JiIlT <br />HY"""""'" <br /> <br />o 0 <br />5. 82. <br />10. 148. <br />15 142. <br />20 116. <br />25. lOS. <br />30. 94. <br />J5 79. <br />40 58. <br />BASIHIO: 14 <br /> <br />45. 59. <br />50. 51. <br />55. 44. <br />60. 39. <br />65. 34. <br />70. 29. <br />75. 25. <br />80. 22. <br />85. 19. <br />BASINC(}KNT' <br /> <br />90. <br />95 <br />100. <br />105. <br />lHI. <br />tIS. <br />120. <br />o. <br />o. <br />Sl8BAS1N lD- 14 <br /> <br />17. <br />14. <br />11 <br />11 <br />9 <br />8. <br />o. <br />o. <br />o. <br /> <br />....*STOO/'l~. <br /> <br />QATECIl.RETlJUtPERlOO-100YEAA <br /> <br />1- <br /> <br />I INCREMENT TOT.IL ST"'" INCREMENT TOTAl IT"'" <br />TIME RAINFALL EXCESS fiYtOOOW'Ii TIME RAINFALL EXCESS fiYtOOOW'Ii <br />(HtN,) (iN) mc!? (CFS) (HIN.) (IN) PJ!(CIP (CFS> <br /> o. 00 000 o. 90. .03 .005 76, <br />I S .03 .000 0 95 03 005 66. <br />10 oa 001 o. 100 03 .005 59. <br />15 11 019 " 105. 03 005 51. <br />20. 11 034 ; 110 .03 .005 46. <br /> 25. J8 0" 14. lIS .03 .005 41 <br /> 30 68 514 59. 110 03 005 36. <br />I 35 38 315 134. 125. 00 000 31. <br />40. 11 168 153 130 00 .000 17. <br />'5 17 111 165. !35. .00 000 14. <br /> SO 14 "'I 165. 140 .00 000 10. <br /> 55. .11 .064 158. 145. .00 .000 13. <br />I 9 <br />
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