Berm and method of construction thereof
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United States of America Patent
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Apr 30, 2013
Grant Date -
Jun 9, 2011
app pub date -
Apr 9, 2010
filing date -
Dec 8, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A berm to increase capacity of an existing landfill comprises fill material and a covering portion. The landfill comprises a waste-receiving recess having an outer perimeter, an edge surface peripherally adjacent at least a portion of the outer perimeter, and an existing accumulation of waste within the recess. The fill material has a base, an inner sloped surface adjacent a future accumulation of waste, and an outer sloped surface opposite the inner sloped surface. The fill material comprises contaminated fill material fully encapsulated by an impermeable membrane. The covering portion comprises structural fill material and at least partially covers the fill material. At least a portion of the berm sits on at least a portion of the edge surface of the landfill, and portions of the berm are substantially parallel to corresponding portions of the outer perimeter.
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