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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 BH100FI3.CHO <br /> <br /> <br />.... NOTE T~ f1ME TO P[AA [$ CAlC\LATED BASED (Jrl TtI: TIM[ Cf C{WCENTRATI~ PROYIOf:D BY M U5ER. <br />REPlACIt<<i THE lJfE CCtFUTEO BY CltflO (rp.. 6.64) <br /> <br />\ojtDTH AT 50" lZ.HIN. "'10TH AT 75.. 6.HIN. GO".35 K7S.. .45 <br /> <br />RAiNfAll LOSSES INPUT 'WI BASIN OAT.6- <br /> <br />MAX. PERVHlJS REr. .. .40 IN. MAX. II'ftRVHIJS!tEl .10 IN. <br />INFILTRATlC>>t .. 4.50 IN.ltfI. DECAY" ,OD180/S[COtI) FNINfl".60 IN.ltfI. <br /> <br />TlHE '"IT TlHE ,"IT TlHE '"IT <br /> HYDROGRAPH HYDROGRAPH HYDROGRAPH <br />o. o. 20. 36 40. 8, <br />5. 81. 15. ". 45. o. <br />10. 87 30. 17. o. o. <br />15. \3, 35. 11, O. 0, <br /> BASIN ID: 46 .. BASIN C()tOT: SU38ASIH (0- 46 <br />-STOO'tHO. .. .- am III RffiIlN PERllll'IooyE.4R <br /> INCREHEHT TOT.. STeAt . INCREHEHT TOT.. STIRI . <br />TlHE RAiNfAlL EXCESS HYDROGRAPH TlHE RAiNfAll EXCESS HYDROGRAPH <br />(HIN,l (IN) PREC!P (CfS) . (HIN,l ON) PRECIP (CFS) . <br /> . <br />O. ,00 ,000 0, 65. ,11 .076 35. <br />5. ,OJ .000 o. 70, ,os .023 25, . <br />10. .08 .OOJ 0, 75. .os .023 17. . <br />15 ,12 .047 .. 80. .OJ .012 12, . <br />10. ,1Z .081 11. 85. .OJ .012 9, <br />15. .38 ,1\3 1Z. 90. ,OJ .012 7, <br />30. .68 ,621 70. 95. ,OJ .012 .. <br />35. ,38 .335 94. 100. ,OJ .012' 5. . <br />40. .1Z .178 85. IOS. ,OJ .012 4. <br />45. .17 .132 71. 110. ,OJ .012 4. <br />5<), .14 .101 60. 115. .OJ .012' 4, <br />55. .11 .075 49, 120. .OJ .012' 4. . <br />'0. ,11 .075 '1. 12'5. .00 .000 J, <br /> TOT,fL PRECIP. .. 3.12' <1-tO..R RAIN .. 2.70) EXECESSPRECIP. .. 2'.036 IHO(S <br /> va.LK Cf EXCESS PRt:CIP" 4. ACRE>FEET <br /> PEAK Q . 94.CFS TIME (F PEAK .. 35.HIN. <br /> INfllT.-4.SOIN/IfI. DECAV-.OOIBO FNtNf- 60lN/fII. <br /> HAX.PERV.RET.-.40IN. HAX.ltfl.RET....lOIN. <br /> <br />RATIlJrW.. FCFJUA C .. .65 <br />I - 5.6 INCK:S/!-O.R <br />A" 26.2 ACRES <br />0- 96.CFS <br />U.D.F,C O. lltF RUt<<JFF AlW.YSIS EXECUTED ()rt DATE <br /> <br />ClHPE/PC VERSt~ It:(HFlED IN JANlJ..OAY 1985 <br /> <br />PRINT OPTI~ Il.fmR SELECTED Fill THIS BASIN IS <br /> <br />BC.LU-f:PD GllOi; 100.YR; FEl'IA F1S; 8/25/97 (BH100fI3.OiIladdH&AGC/pond3 <br /> <br />ATTlME <br /> <br />BASINlD' 47 <br /> <br />BASIN CCtttENT SUBBASIN II). 47 <br /> <br />MEA Of BASIN LENGTH Of BASIN OIST TO CENTROID IHPERVlOOS MEA SLOPE llHT CUlATHJI <br />(S()1lJ (HIl (HIl (PCT) (FTlFT) (HIN) <br /> <br />13 <br /> <br />.67 <br /> <br />31 <br /> <br />31.43 <br /> <br />.0190 <br /> <br />5.00 <br /> <br />COEFFICIENT COEFFICIENT <br />(REFLECTING TIME TO p[AA) (RELATED TO PE-<< RATE (F RlJ()f'F) <br /> <br />.094 <br /> <br />.358 <br /> <br />CAlCLl.ATEDlJHTHY~ <br /> <br />TIME TO PEAK TIME Of CCWCENTAATICfI PEAA RATE Of RUNOFF lJrtIT HYOflCGlAPH?EM Vll.lJ€ (F RlKfF <br />(/olIN) (HIi'O (CFS,S()1J) (CFS) (N) <br /> <br />10.94 <br /> <br />30.00 <br /> <br />1629,11 <br /> <br />213.41 <br /> <br />'.99 <br /> <br />- ~TE T"HE TIlt: TO PEAl:. IS CM.ClLATED BASED CW THE Tll'lE Of CCJlCENTRATI()rt PROVIDED 'SY TIE 1..&11. <br />REPlACIt(l THE (JIE Cll'PUTED 8Y ClJiPO <TP- 9.39) <br /> <br />37 <br />
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