Laserfiche WebLink
Appendix M <br />PROTECTION OF THE HYDROLOGIC BALANCE -RECLAIMED <br />MCCLANE CANYON MINE <br />COAL MINE WASTE DISPOSAL SITE <br />Notes for Calculations: <br />1. Design points are shown on Figure 3.1-1. <br />2. Ditches were sized using SEDCAD4 and Manning's equation in Excel. Ditches were <br />sized using the 10 year and 100 year event as appropriate. Ditches R7-1,2, 3, R-8-1,2, <br />R-9-1,2 and R-14 were sized with the 100-year event. Ditches R-1 through 6 and R-10 <br />through 13 were sized with the 10 year event. <br />ENGINEER'S CERTIFICATION <br />The calculations and information presented on pages 74-110 with a date of 05/08 <br />were prepared under my direct supervision during the months of April and May 2008, <br />and the information presented is true and correct to the best of my knowledge and <br />belief. ~~p0 REGf~~ <br />~o~~~Oa~~C C0~99 ~ '~ <br />~~ 6 ~ v OG, ~~ ~ ~, <br />ZI <br />r ~ s E.Stover,® Date <br />RegisoProfessi~ ngineer <br />State ~,rad~s19230 <br />~,~ ~, a <br />TR-16 74 <br />05/08 <br />