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2022-02-09_PERMIT FILE - M2021046 (2)
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2022-02-09_PERMIT FILE - M2021046 (2)
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Last modified
2/9/2022 4:05:07 PM
Creation date
2/9/2022 2:49:34 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M2021046
IBM Index Class Name
Permit File
Doc Date
2/9/2022
Doc Name Note
Appendix N JESIK Surface Water Management
Doc Name
Adequacy Review Response
From
Zephyr Gold USA Ltd
To
DRMS
Email Name
TC1
MAC
Media Type
D
Archive
No
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Hydrograph Report Project Name:Dawson Mine <br /> Hydrology Studio v 3.0.0.20 12-15-2021 <br /> Basin D1 Hyd. No. 5 <br /> Hydrograph Type = Rational Peak Flow = 25.73 cfs <br /> Storm Frequency = 10-yr Time to Peak = 0.10 hrs <br /> Time Interval = 1 min Runoff Volume = 9,263 cuft <br /> Drainage Area = 8.83 ac Runoff Coeff. = 0.38 <br /> Tc Method = TR55 Time of Conc. (Tc) = 6.0 min <br /> OF Curve = Canon City.idf Intensity = 7.67 in/hr <br /> Freq. Corr. Factor = 1.00 Asc/Rec Limb Factors = 1/1 <br /> Qp = 25.73 cfs <br /> 28 <br /> 26 <br /> 24 <br /> 22 <br /> OF <br /> 20 <br /> 18 <br /> 16 <br /> o14 <br /> 12 <br /> 10 <br /> All IL <br /> 8- <br /> 6- <br /> 4- <br /> 2 <br /> 0 <br /> 0 1 2 3 4 5 6 7 8 9 10 11 12 <br /> Time(min) <br /> B8 <br />
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