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1 <br />' September 28, 1998 <br />At all times, the fill shall be placed so that the surface slopes and water does not <br />' pond. <br />D. Erosion Protection <br /> Should portions of the work or the existing embankment be deemed to be <br />' susceptible to erosion by the engineer, course excavation material or course mine <br /> waste will be used to provide an erosion protection cover. <br />' The erosion protection shall be uniformly spread to the thickness shown on the <br /> drawings or as directed by the engineer. The surface of the erosion protection shall <br />' be "walked in" by one complete coverage of the tracks of a bulldozer or otherwise <br />carefully compacted in place to the satisfaction of the Engineer <br /> . <br />' E. Wearing Course <br /> The wearing course, if required, will consist of course mine waste or construction <br /> excavation materials. <br />1 Th <br /> e wearing course shall be placed in 6-inch lifts and compacted. <br />' F. Berms <br /> The berms shall consist of construction excavation or borrow material. The berms <br />' shall be placed as shown in the drawings or to the satisfaction of the Engineer. <br /> 2.2 GRADING AND GENERAL FILL <br />' A. Use locally available, approved native backfill material for grading as required. <br /> B. Use granular, silty to sandy gravel material from onsite or offsite borrow sources for <br />' constructing access ramps at the site, as necessary. <br /> C. Use a locally available sandy to silty gravel alluvial material, with no rocks larger <br />' than 2-inches, for backfill around CMP or HDPE culverts. <br /> <br />' 2.3 COMPACTED STRUCTURAL FILL AND RANDOM TAILINGS EMBANKMENT FILL <br />' A. For compacted backfill around structures, use alocally-available, approved material <br />with no organic material, sticks, rocks larger than 2-inches in diameter, or frozen or <br />deleterious materials. <br />Earthwork <br />J:\5461\$PECSFNL WPD t122t)~-4 <br />