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i <br /> Iappearance and be piaced to minimize erosion of ihe bockfill material. The <br /> larger rocks shall be placed at the bose of ihe rockery so thut ihe wall will <br /> ( be stable and have a stable appearance. The rocks shall be placed in a <br /> I manner s�ch that ihe longitudinal axis of ihe rock shall be at right angles or <br /> perpendicular to ihe rockery face. The rocks shall have all inclining fac�s <br /> sloping to The back of ihe rockery. Each course of rocks shall be seated as <br /> itightly and evenly as pouible on ihe course beneath. After setting each <br /> cuurse of rock, all voids between ihe rocks shall be chinked on the back with <br /> smaller rocks or filizr material to eliminate any void sufficient to pass a 2- <br /> Iinch square probe. <br /> D. The wall backfill shall consist of gravel filter 'ulanket material. �nis <br /> I material shall be placed to a iwelve (12) inch minimurn ihickness betµ•een <br /> ihe entire wall and the cut or fill material. The backfill materiol shall be <br /> placed in lifts to an elevation approximately six (6) inches below ihe top of <br /> I each course of rocks as ihey are placed, until ihe uppermosS course is <br /> placed. Any filter binnket material on the bearing surface of one ;ock <br /> course shall be removed before setting ihe next course. <br /> ' E. The perforated ADS drain pipe shall discharge at ihe low point of ihe toe of <br /> i the rockery or through ihe face of the curb nearest ihe rocl<ery. <br /> I ■ . « . . <br /> 02276-2 <br /> I s3o i 46 <br />