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Chapter II <br /> Dust Suppression <br /> When necessary, principally during the summer months, the operator waters the <br /> roads, or applies a dust fixative to the roads to control fugitive dust. <br /> Berms <br /> Berms have been installed and are retained on a site-specific basis to prevent flows <br /> going over the outside road embankment. Summer maintenance of the roads will be <br /> done so as not to damage berms; if damaged, berms will be restored. Berm material <br /> will not be pushed over the outslope. Berms will not be used in areas where winter <br /> snowplowing could knock berm material over the outslope. <br /> c. Access Road - Sutey. <br /> An access road extends from the area of the preparation plant to the area of the Sutey <br /> Refuse pile. Construction of the road was approved by Technical Revision, dated Aug. <br /> 23, 1984. <br /> As designed by Geo-Hydro, the road was constructed along an existing abandoned <br /> roadbed, and the roadbed was widened to 30 feet and surfaced with gravel. <br /> As specified, no cut slope exceeds 1.5(h):1(v); no curve of the roadway has a radius of <br /> less than 50 feet at the centerline; road surface is sloped 2% away from centerline of <br /> the road along portions ridge crests; ditches are constructed for all cut and fill portions. <br /> According to construction specifications, road fills were constructed in horizontal layers <br /> not exceeding 12 inches in loose thickness. Each layer of fill was leveled and <br /> compacted evenly by routing the hauling and leveling equipment over the width of the <br /> embankment until no significant movement of the embankment material was apparent, <br /> and embankment layers were compacted as necessary to ensure the embankment <br /> would be adequate to support the anticipated traffic. <br /> See App. II-B-5 for the road design, and Exhibit II-B-6 for road location. <br /> 20 <br /> Revised 6/92 <br />