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TABLE 1 <br />Subsoil and Topsoil Materials Balance Per Refuse Pile Construction Phase <br />Construction <br />Phase Topsoil <br />Stockpile <br />(cy) Subsoil <br />Stockpile <br />(cy). Topsoil <br />Replaced Subsoil <br />Replaced <br />I 60,306 60,306 0 0 <br />II 87,350 87,350 25,000 25,000 <br />VI 0 0 185,210 185,210 <br />3.0 TOPSOIL STORAGE <br />Topsoil storage for construction of the URP shall be located at the <br />northeastern corner of the refuse pile, adjacent to the ridgeline along the <br />eastern edge of the bench. The stockpile shall have a maximum storage <br />capacity of approximately 115,000 cubic yazds over an area of 2.98 acres. The <br />maximum slope and height of the topsoil stockpile shall not exceed 2H:1V and <br />50 feet, respectively. F4gure 4.0 shows the location and across-section of the <br />topsoil stockpile. A 10-foot buffer zone will be maintained between the toe of <br />the topsoil pile and the edge of the bench. Visual inspection of the topsoil pile <br />shall be performed on at least a quarterly basis for erosional, structural, and <br />general compliance. <br />4 <br />