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2001-12-11_PERMIT FILE - C1981028A (2)
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2001-12-11_PERMIT FILE - C1981028A (2)
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Last modified
10/20/2017 6:51:49 AM
Creation date
11/26/2007 3:54:05 AM
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Template:
DRMS Permit Index
Permit No
C1981028A
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
APPENDIX K SURFACE WATER/SEDIMENT CONTROL
Media Type
D
Archive
Yes
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9 <br />SI'UIPIEN'I' S'1'DI(AGIi PONU 2 <br />A) From direct runoff (171 tons) <br />Detention Storage <br />A) From direct runoff (on 25.98 Ac) <br />SEDIMENT STORAGE POND 3 <br />A) From direct runoff (246 tons) <br />B) From pit (delivery ratio = 0.5, 6900 tons) <br />Detention Storace <br />A) From direct runoff (on 34.66 Ac) <br />SEDLPIGNT STORAGE POND 4 <br />A) From direct runoff (251 tons) <br /> <br />Detention Stor <br />OB Ac-Ft. <br />71 Ac-Ft. <br />12 Ac-Ft. <br />3.38 Ac-Ft. <br />95 Ac-Ft. <br />12 Ac-Ft. <br />A) From direct runoff (on 35.48 Ac) <br />98 Ac-Ft. <br />The above computed storage requirements apply to each of the four <br />sediment ponds. These values will provide sediment storage for 3 years <br />and a detention time of 24 hours. Diversion channels should be designed <br />to handle approximately 7 cfs. <br />The applicant will conduct rainfall-runoff studies to document the <br />nature of the surface water hydrology at the minesite. Such studies will <br />include both undisturbed and reclaimed areas. The nature and scope of <br />these studies will be determined in consultation with the Division of <br />Natural Resources. <br />~• <br />
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