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Srctioa -?.US.G <br />~~'aste pile design and construction incorporates upgradient diversions to intercept and divert normal <br />flows around the pile; grading of pile foundation areas, active pile benches, and bench vutslopes to <br />effectively control drainage and minimize erosion; construction of a sedimentation pond <br />downgradient of the pile disturbance; installation of an underdrsun to intercept and route an}~ ground <br />water ar infiltration to the sedimentation pond; and progressive reclamation of pile benches and <br />outslopcs as the}~ arc completed. <br />Diversion of normal flaws will prevent an}~ significant redaction in flow contributions to the receiving <br />drainage. faor perspective, it should be noted that moniarring of most of the ephemeral drainaf,;cs in <br />the area over a period of several }-cars has not resulted in detection of an}' measurable flows. "1'hc <br />'hR-GO 2.t)5-93b Rev. Nov. 2008 <br />