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Excess material from the construction of the sediment pond will be placed in the <br />LJ <br />I~ <br />coverfill pile. The refuse pile will be constructed in at least three phases. <br />Approximately one third of the area will be cleared of all vegetative or organic material. <br />The surface soil horizon within the Rivra unit and the Torriorthent unit (rock outcrops <br />excepted) will be salvaged for topsoil and stockpiled. Alluvial material will be salvaged <br />from the foundation of the pile and placed in stockpile. The goal is to salvage <br />approximately 5,000 cubic yards of clluvial material to provide final cover for <br />approximately one third of the refuse pile. . <br />A berm will be constructed around the topsoil stockpile to contain any topsoil that <br />may erode prior to the establishment of stabilizing vegetation. A straw-bale or short silt <br />fence will be installed at the low point(s) in the berm to relieve accumulated run-off. <br />The areas disturbed by the each phase of construction, including the topsoil <br />stockpile, cover soil stockpile, rock stockpiles, road fill, berms, pond slopes and <br />diversion ditches that are not riprapped, will be promptly seeded with the stabilization <br />seed mix. <br />As the first phase of the refuse pile is nearing completion, the next section of the <br />foundation will be cleared of all vegetative or organic material. Topsoil will be salvaged <br />and temporarily stockpiled. Alluvial material will be excavated and placed at a <br />thickness of 42-inches on the completed portion of the refuse pile with excess material <br />placed in the coverflll pile. Topsoil will be obtained from the temporary stockpile and <br />placed on the completed portion of the refuse pile to provide the required 4 feet of non- <br />toxic cover. The subgrade surface will be ripped prior to topsoil placement. <br />The top of the pile will be sloped back to the south to ensure run-off from the fill <br />surface flows to the collection ditches and is not allowed to flow over the outslope of the <br />fill. As the pile increases in size, a refuse slope will be constructed above the reclaimed <br />lower slopes. A silt fence will be installed immediately above the reclaimed slopes to <br />assure it is not contaminated with refuse. The design of the sift fence is presented in <br />Appendix M(vii) at page 44. <br />M R-22 <br />2-17 <br />04/05 <br />