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NATIVE BACKFILL COMPACTED <br />TO MINIMUM 90% RELATIVE <br />COMPACTION PER ASTM1557-D <br />IY��II�II�I�I�I <br />WATER PROOFING PER CIVIL ENGINEER <br />FREE DRAINING SAND BACKFILL <br />SE 30 OR GREATER <br />BACKCUT PER OSHA <br />FENCE <br />EXTENT OF FREE DRAINING SAND BACKFILL, MINIM <br />HEEL WIDTH OR H/2 WHICH EVER IS GREATER <br />II <br />= <br />r <br />LD <br />1I <br />I w <br />MINIMUM 1 CUBIC FOOT PER LINEAR FOOT <br />BURRITO TYPE SUBDRAIN, CONSISTING OF <br />3/4 INCH CRUSHED ROCK WRAPPED IN7-7 - �-M-- <br />MIRAFI 140N OR APPROVED EQUIVALENT I. <br />4 INCH DIAMETER, SCHEDULE 40 PERFORATED I I. <br />PVC PIPE TO FLOW TO DRAINAGE DEVICE <br />d <br />FOOTING/WALL DESIGN PER CIVIL ENGINEER ° a <br />d <br />d <br />I I <br />Figure 3 <br />Retaining Wall <br />Project Name FF / Santa Ana <br />Project No. 213031-01 <br />Eng. BIH/MW <br />Backfill 1 s - <br />Date I 1 <br />