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DETAI LS <br />N.T.S. <br />12"lilli, <br />2 ///Native Backfill <br />1%/ <br />Provide Surface Drainage -Slope or Level <br />V <br />+12" -4* £*-EE@-E ® Rock <br />Native Backfill <br />-==.DE*QI <br />/*r-- @ Filter Fabric <br />*Waterproofing <br />Membrane (option- .- -*@34/ <br />11, A <br />/Il <br />La <br />/ 1 or Flatter <br />@ Weep Hc <br />1:=E:EEE=EEE=EEEE Native Backfill <br />C <br />L.-------------- <br />L.-------------I <br />KE,3,E<E<E)f <br />&3383385 <br />Finished Surfac€ <br /> WATERPROOFING MEMBRANE (optional): <br />Liquid boot or approved equivalent. <br />® ROCK: <br />3/4 to 1-1/2" (inches) rock. <br /> FILTER FABRIC: <br />Mirafi 140N or approved equivalent; place fabric flap behind core. <br />@ PIPE: <br />4" (inches) diameter perforated PVC. schedule 40 or approved alternative with minimum of <br />1% gradient to proper outlet point (Perforations down). <br /> WEEP HOLE: <br />Minimum 2" (inches) diameter placed at 20' (feet) on centers along the wall, and 3" (inches) <br />above finished surface (No weep holes for basement walls.). <br />ah ,-#.9-,/*ch/••va <br />TYPICAL RETAINING WALL BACKFILL <br />AND DRAINAGE DETAIL <br />DETAIL 1 <br />Geotechnical • Coastal . Geologic. Environmental