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5_ —SLOPE VEGETATION <br /> 1' MIN TOPSOIL LAYER <br /> r a rr ai n arm` a� arm�\ w� \/a GEOTEXTILE _ <br /> 1' MIN SOIL BARRIER LAYER <br /> (MAX PERMEABILITY 1x10-6CM/SEC) <br /> — 2' MIN COMPACTED SOIL <br /> FOUNDATION LAYER <br /> — (MAY INCLUDE INTERMEDIATE COVER) <br /> REFUSE SUBGRADE' <br /> SOIL TYPE FINAL COVER PROFILE <br /> FOR EXISTING LANDFILL PRIOR TO <br /> VERTICAL EXPANSION (TYP) <br /> 5% _ 25% SLOPE VEGETATION <br /> 1'-6" SOIL LAYER OVER GEOMEMBRANE <br /> GEOMEMBRANE <br /> —' V-6" MIN COMPACTED FOUNDATION LAYER <br /> _ — (MAXIMUM PERMEABILITY 1X10'°CM/SEC) <br /> Z INTERMEDIATE COVER (EXISTING AT TIME OF CLOSURE) <br /> i <br /> REFUSE SUBGRADE <br /> GEOMEMBRANE TYPE FINAL COVER PROFILE <br /> FOR VERTICAL AND HORIZONTAL EXPANSION <br /> PROVIDE MIN 18" PROTECTION <br /> DEPTH TO GEOMEMBRANE LINER <br /> 5% _ 25% SLOPE <br /> 000 V-6" MIN OPERATION/ <br /> off$ cP ° <br /> p op o0 00$0°op DRAINAGE LAYER <br /> 0000 %0 0C°p g°000g o00000000o�oo�d'000 GEOMEMBRANE(HDPE) <br /> o$°op°°° 0 /$ 2' CLAY LINER <br /> 00000$ / // // (MAX PERMEABILITY 1x10-7 CM/SEC) <br /> I // SUBGRADE (TOPSOIL LAYER FOR EXISTING <br /> COVER, DETAIL 1 THIS DRAWING, OR <br /> -I PREPARED SUBGRADE ON HORIZONTAL <br /> EXPANSION) <br /> COMPOSITE LINER (TYPICAL) <br /> NOTE: REMOVE VEGETATION AND COMPACT <br /> UPPER 6" OF TOPSOIL LAYER ON EXISTING <br /> LANDFILL PRIOR TO PLACEMENT OF CLAY TO <br /> 90% STANDARD PROCTOR. <br /> 0 2 <br /> Feet <br /> Austin Rand Landfdl/900495 ■ <br /> SOURCE:R.W.Bak and Aaaaauss <br /> Figure II.4 <br /> Schematic Configuration of the <br /> Proposed Landfill Liner Design and Final Cover <br />