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880 <br />890 <br />900 <br />870 <br />860 <br />850ELEVATION, FEET (MSL)OLD HIGHWAY 8 <br />EXISTING GRADE PROPOSED EXCAVTION <br />APPROXIMATE LOCATION <br />OF MCES 24" DIA. SANITARY <br />SEWER <br />BLOCK F PARK/POND RING ROAD BLOCK B <br />880 <br />890 <br />900 <br />870 <br />860 <br />850 <br />WESTWEST EAST <br />EXISTING BOTTOM OF WASTE <br />GROUNDWATER TABLE (APPROX. 875 FT, MSL) <br />880 <br />890 <br />900 <br />910 <br />870 <br />860 <br />850ELEVATION, FEET (MSL)OLD HIGHWAY 8 <br />PROPOSED FINISHED GRADE <br />BLOCK F PARK/POND RING ROAD BLOCK B <br />880 <br />890 <br />900 <br />910 <br />870 <br />860 <br />850 <br />WESTWEST EAST <br />EXISTING BOTTOM OF WASTE <br />GROUNDWATER TABLE (APPROX. 875 FT, MSL) <br />APPROXIMATE LOCATION <br />OF MCES 24" DIA. SANITARY <br />SEWER <br />AREA-WIDE LANDFILL GAS COLLECTION <br />SYSTEM WILL BE COMPLETED IN THE <br />CENTRAL PORTION OF BLOCK B WITH <br />FUTURE DEVELOPMENT BY OTHERS <br />FUTURE EMBANKMENT FOR <br />RING ROAD (APPROX.) <br />EXISTING GRADE <br />EXISTING WASTE <br />EXISTING WASTE <br />PROPOSED DUMP <br />CONSOLIDATION AREA <br />EXISTING TOP OF WASTE <br />0 1000 <br />SCALE IN FEET <br />0 1000 <br />SCALE IN FEET <br />Proposed Finished Grade <br />Will be Vegetated Pending <br />Future Development <br />4' Min. <br />Clean <br />Soil <br />Cover <br />Low Permeable <br />Geomembrane <br />Geocomposite (Area <br />Wide Vent Layer) <br />Coarse Pea Gravel 6" Dia. Perforated PE <br />Gas Collection Piping <br />1' Sand <br />Drainage <br />Layer <br />Light Pole <br />Potential Future Solid Header Piping <br />would be Installed and Tied into Vent <br />Riser Locations if System Converted to <br />Active Venting 10' Min. <br />Vent Riser <br />(When possible, vent risers to be placed <br /> near light poles and other development <br /> features) <br />Min. 2'P:\Mpls\23 MN\62\2362489\WorkFiles\Figures\Dump Removal Cross Sections.CDR RLG 03-24-08CONCEPTUAL SECTION - PIPING AND VENT RISERS <br />Header Pipes Would Connect to a <br />Blower for Mechanical Ventilation <br />Vent Riser will be Blocked if System <br />is Converted to Active Venting <br />6" Topsoil in Areas Where Future <br />Development Will Not Involve Buildings <br />or Pavement <br />NOT TO SCALE <br />EXISTING CROSS SECTION <br />PROPOSED CROSS SECTION <br />ESTIMATED DUMP <br />REMOVAL AREA <br />ESTIMATED DUMP <br />REMOVAL AREA <br />Existing <br />Waste <br />Existing <br />Waste