Laserfiche WebLink
iiiiiiiiiiiuiiihi <br />999 <br />9) Sediment Pond Slope Stability <br />Slope Stability Analysis <br />of the <br />Sediment Pond Embankments in the PR-05 Amendment Area <br />New Horizon 2 Mine <br />by: Greg Lewicki, P.E. <br />January 12, 2000 <br />1.General Pond Information <br />The purpose of this report is to demonstrate that all the sediment ponds at the New Horizon 2 <br />Mine will be permanently stable and the embankments will have minimum long-term safety <br />factor of 1.3. <br />As of the PR-05 Amendment, the New Horizon 2 Mine will have 7 sediment ponds, numbered <br />from Ponds 007 through 013. Ponds 007 and 008 are within the original permit area and ponds <br />009 through 013 are within the year 2000 amendment area. All of the existing and future ponds <br />have embankments have the following characteristics: <br />- that are no higher than 10.0 feet measured from the original ground at the center of the <br />embankment to the top. Some ponds have some incised storage volume. <br />(Revised zroo~ Attachment 2.05.3(3) -10-86 <br />