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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
Fields
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 /> Pond 1 Hyd. No. 14 <br /> Hydrograph Type = Pond Route Peak Flow = 12.97 cfs <br /> Storm Frequency = 10-yr Time to Peak = 0.28 hrs <br /> Time Interval = 1 min Hydrograph Volume = 23,398 cuft <br /> Inflow Hydrograph = 12 - Channel C Max. Elevation = 6276.74 ft <br /> Pond Name = Pond 1 Max. Storage = 12,641 cuft <br /> Pond Routing by Storage Indication Method Center of mass detention time= 18 min <br /> Qp = 12.97 cfs <br /> 60 <br /> 58 <br /> 56 <br /> 54 <br /> 52 <br /> 50 <br /> 48 <br /> 46 <br /> 44 <br /> 42 <br /> 40 <br /> 38 <br /> 36 <br /> 34 <br /> -32 <br /> =30 <br /> CY 28 <br /> 26 <br /> 24 <br /> 22 <br /> 20 <br /> 18 <br /> 16 <br /> 14 <br /> 12 .11 IN <br /> 10 <br /> 8 <br /> 6 illy it -31 <br /> 4 <br /> 2 <br /> 0 i <br /> 0 1 2 3 4 <br /> Time (hrs) <br /> —Req'd Stor— Channel C— Pond 1 <br /> B17 <br />
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