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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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Pond Report Project Name:Dawson Mine <br /> Hydrology Studio v 3.0.0.20 12-15-2021 <br /> Pond 1 Stage-Discharge <br /> Orifices <br /> Culvert/Orifices culvert Perforated Riser <br /> 1 2 3 <br /> Rise, in 24 Hole Diameter, in <br /> Span, in 24 No. holes <br /> No. Barrels 1 Invert Elevation, ft <br /> Invert Elevation, ft 6275.00 Height, ft <br /> Orifice Coefficient, Co 0.60 Orifice Coefficient, Co <br /> Length, ft 40 <br /> Barrel Slope, % 2 <br /> N-Value, n 0.024 <br /> Weirs <br /> Weirs Riser* 1 2 3 Ancillary <br /> Shape/Type Exfiltration, in/hr <br /> Crest Elevation, ft <br /> Crest Length, ft <br /> Angle, deg <br /> Weir Coefficient, Cw <br /> 'Routes through Culvert. <br /> Stage-Discharge <br /> 6278 � 3 <br /> i <br /> _,6277 2 h <br /> > rD <br /> a� <br /> w h <br /> v <br /> 6276 1 <br /> 6275 0 <br /> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 <br /> Discharge (cfs) <br /> — Top of Pond — Culvert —Total Q <br /> B19 <br />
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