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2010-12-08_PERMIT FILE - C1981008A (54)
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2010-12-08_PERMIT FILE - C1981008A (54)
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Last modified
11/30/2016 12:33:14 PM
Creation date
1/21/2011 3:58:07 PM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981008A
IBM Index Class Name
Permit File
Doc Date
12/8/2010
Doc Name
Pond 011 As-Built SedCad & SurvCad Hydrology Calculation for 10yr-24hr & 25yr-24Hr Events
Section_Exhibit Name
Section 2.05.3(3) Attachment 2.05.3(3)-14
Media Type
D
Archive
Yes
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Runoff Curve Number: ............. CN = 74 <br />Time of Concentration: ........... Tc = 0.85 <br />Storm Type: ....................... =11 <br />Pond and swamp areas spread <br />throughout watershed ............... = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................yr = 25 <br />3. Rainfall ,P(24 - hour) .............. in = 2.40 <br />4. Initial abstraction, la............ = 0.7027 <br />5. Compute la /P ....................... = 0.2928 <br />6. Unit peak discharge, qu ...... csm/in = 328.94 <br />7. Runoff. Q .........................in = 0.5529 <br />8. Pond & swap adjustment factor .... Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs = 38.4026 <br />Pond Volume Calculation based on Universal Soil Loss Equationl2 /3/2007 16:10 <br />Input Data <br />Landuse Area Rainfall Erod- Length Slope Ls Cf Pf <br />(ft ^2) Factor ability (ft) ( %) <br />RECLAMAT 5525586.0 50.0 0.37 2802.3 2.9 0.74 0.50 1.00 <br />Runoff = 0.553 inch. <br />Sediment Density = 94.000 <br />Time = 3.0 years <br />Drainage Ratio = 0.37 <br />Total Area = 126.850 acres <br />Gross Erosion = 873.414 tons /yr. <br />Total Yield = 323.163 tons /yr. <br />Runoff Volume = 5.845 acre -ft <br />Sediment Volume = 0.474 acre -ft <br />Total Volume = 6.318 acre -ft <br />Ri VWGO"EitntliDW04aoBR@.6)ed PortioAt._tscll'E umia 'R10503jp)) li4iMD 011 AS -BUILT 28JANIO FINAL.wpd <br />
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