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Chapter II <br />• <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 asite-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 /> <br />20 <br />Revised 6/92 <br />