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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 />August 25, 1997 BH100FI3.CHO <br /> <br /> <br />I PRINT CFTlCW JrUtlER SELECTED F(Jl: THIS &\SIN IS 7 <br />8lI.LtVO IllGl; lOO.YR; F[P\A FIS: 8/25/97 (BHI00FIJ.CHl)a~/pond3 <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 />BASIN 10' 42 <br /> <br />BASINC[)t(HT' SlIl8ASlNl1}o42 <br /> <br />AA[A ~ BASIN LENGTH ~ BASIN om ro CENTROID IHPERVIOJS AREA SLOPE !..NIT Dl.RATltw <br />($()l1J (HI> (Hll (pen (FT/FT) (HIN) <br /> <br />.08 .48 <br /> <br />28 <br /> <br />2.00 <br /> <br />.0090 <br /> <br />5.00 <br /> <br />(UFFICIENT <br />(R[FlECTIJ<<i mE TO P[AA) <br /> <br />CCEFFICIENT <br />{RELATED TO PeAA RATE (F Rt.IO"F) <br /> <br />.lS6 .229 <br /> <br />CAlCllAT[O ~IT HYDRl:XjP.ApH <br /> <br />WI: TO fIOI. mE: {F ClKENTRATltw PEAK RATE {F RlNlFF tlm HYMCGRAPtl PEAl( YO.lJ( CF IlI..tCFF <br />(HIN) (HIN) fCFS/$(Jill (CFS) (AF) <br /> <br />7.01 <br /> <br />24.00 <br /> <br />1954.67 <br /> <br />160.28 <br /> <br />4.37 <br /> <br />*** frIJTE : l1f rut: TO PEM. IS CALQUTED BASED (J( nt: mE (F CCN:ENTRATItw PROVIDED BY Tlf USER. <br />REPlACING M CM aJIlUTED BY 0JfI0 np- 13. SJ) <br /> <br />WIDTH AT SO" IS. MIN. WIDTM AT 75" 8. 'UN. K50.. .27 K75" .37 <br /> <br />RAI/rFAll lOSSES UFUf 'WI BASIN OATA <br /> <br />*I. PERVIWS RET. .. .40 tN. I'W. UFERVIOJS REr. .10 IN. <br />1Jrf"llTRATHW .. 4.50 IN. II<<. [)(CAY" .OOlSO/SECCNJ FNIHFl".6O IN./tfI.. <br /> <br />TII< !JUT TII< "'IT TII< "'IT <br /> .............. HYlJllG!APH HYlJllG!APH <br />D. D. 25, 53. so. lZ. <br />5. 143. 30. J<J. 55, " <br />10. IJ<J. 35. 29. 60. D. <br />IS. 101. 40, 22, D. D. <br />10. 71. '5. 16. D. D. <br /> BASINro: " .. BASIN CCJt(HT: SlBBASIN 1000 42 <br />-. STCItl NO." [}ATE !ll. RETl.P.N PERIOO .. lOOVEAR <br /> INCREI'ENT TOTAl. STJRt INCREl'ENT TOTAl STJRt <br />TII< RAiNfAlL EXCESS HYlJllG!APH TII< RAINF.o'LL EXCESS HYIlAOOlAPH . <br />("'IN.) (1M) PRfCIP (CfS) {"'IN.} <IN) PRfCIP (CFS) <br />D 00 .000 D. 55. .11 .058 85. <br />5. .03 .OOD D. 60. .11 058 73, <br />10. .08 .000 D. 65 ,11 .05' ". <br />15. 11 .002 D. 70 05 .005 49. <br />20. 21 .00<1 1. 75. 05 .005 3T. <br />15. .38 .023 4. 80, .03 001 27 . <br />30. 58 .609 91 85. .03 001 16, <br />J5 J8 319 133 90. .03 .001 10 . <br />... 21 .161 131. 95. .03 .001 7. . <br />45. 17 115 116. 100. 03 .001 4. <br />50 14 084 101 105. .03 001 3. <br /> <br />TOT.o'L ?RECIP." 3.12 (l-to..R RAIN - 2,70) EXEeESS MECI? - 1.508 IHCtES <br />'I'O..LK (J ExCESS PRfCIP . 7 ACRE.FEET <br />PEAK 'J.. 133. CFs TIME OF PEAK. 35. "'IH. <br />lhf"rLT.. 4.50 IN/If( DECAY - .00180 FN!NF. .60 IN/If( <br />""-X.pt:Il.Y.RET.- .40 IH. ~.I"".RET.- .10 IH. <br /> <br />RATICJrW. FOOtU C - 48 <br />1- 4.8IHCI-€Sil-O.R <br />A- 525 ACRES <br />Q" 12l. CFS <br />'j,J F ':.J. 'J..HP RtKfF ..lHAlysrs EXECUTED ~ DATE AT TIME <br /> <br />"..1.H'f,P(JEIl.SICJrl'1OOIFIEDINJNfJAA.Yl985 <br /> <br />~INT (lJT!()I 'UtlER 3ELECTED F~ TH(S !!ASlN IS <br />I BLlUOD 5ll0i: IOQ-Ylt FEHA FIS: 8/25/97 f.BHIOOFl3.CHU03ddH&AGC/pond3 <br /> <br />I <br /> <br />aASIH :0: .tJ <br /> <br />!!ASIH CCHl:NT. Sl.6IlASIH [0- 43 <br /> <br />33 <br />
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