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TOE OF SLOPE SHOWN <br /> ON GRADING PLAN <br /> FILL <br /> 10' TYPICAL BENCH <br /> WIDTH VARIES <br /> i <br /> / 1 COMPETENT EARTH <br /> MATERIAL <br /> /2 2% MIN -� <br /> TYPICAL BENCH <br /> MINIMUM <br /> 15' MINIMUM BASE KEY WIDTH HEIGHT <br /> DOWNSLOPE <br /> KEY DEPTH PROVIDE BACKDRAIN AS REQUIRED <br /> PER RECOMMENDATIONS OF SOILS <br /> ENGINEER DURING GRADING <br /> WHERE NATURAL SLOPE GRADIENT IS 5:1 OR LESS, <br /> BENCHING IS NOT NECESSARY. FILL IS NOT TO BE <br /> PLACED ON COMPRESSIBLE OR UNSUITABLE MATERIAL. <br /> NOT TO SCALE <br /> FILL SLOPE ABOVE NATURAL GROUND DETAIL <br /> STANDARD SPECIFICATIONS FOR GRADING <br /> Page 12 of 26 <br />