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Area 4 drainage will be the same as shown in the permit application <br />• until it reaches Pond lll, where iC will be culverted into Pond If 1. A <br />10" C[•L° with a slope of 2% and an n of 0.014 will carry 2.9 CFS, more <br />than enough to handle the peak flow from area 4 of 1.75 CFS (page 6 of <br />10, Appendix C), and the south end of the bench drain, up to 8.92 CFS. <br />Another 10" CMP will be installed near the north end on the bench <br />toe to carry mine water (0.25 CFS) and areas 2, 5, and 7 water (1.27 CFS, <br />page 4 of 10, Appendix C). <br />• <br />• -5- <br />