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Mr. Michael Boulay <br />July 22, 1999 <br />Page 5 <br />D. Downstream Embankment Slope <br />Vegetation is sparse on the side slopes due to the coarse <br />and rocky material present in the fill. Erosion does not <br />appear to be a problem due to the relatively short slope <br />and limited area exposed to runoff. No runoff from the <br />haul road ditches can occur down the embankment slope. No <br />cracking, bulging, or other signs of stress were noted. <br />III. Conclusion <br />There appears to have been no noticeable change in the <br />embankment structure since the last annual inspection of <br />June 23, 1998. Vegetation is growing on the side slopes. <br />The embankment is stable and the underlying rock fill is <br />functioning as expected. <br />I apologize for the delay in getting this report to you. The cause <br />for the delay was in gathering and reducing the field precipitation <br />data charts utilized in preparing Table 1. If you or any other <br />members of the Division have any questions or concerns regarding <br />this report please contact me by telephone or by writing to me at <br />this office. __.__ <br />Respec 6 -• "ri,~ <br />' •~F <br />./~/y°/~ <br />Micha o,~. Altav' , P.E. <br />Engine <br />Colorad ~ 8455 <br />Attachment JUL 2 21999 <br />