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� <br /> EXISTING GROUND SURFACE <br /> NON- AR AS URAL H pq R AS O� <br /> /���/�/�/\\�� (95) \� V+I ES --- <br /> � � <br /> , <br /> �//� . ���� <br /> \��j90 ; , 95 \/ <br /> \ C� � 2 FEET <br /> �\ � �� <br /> � �\ <br /> �� <br /> \\� <br /> r <br /> � <br /> ;/. ,./ �i i/ <br /> �� ' 90 VARIES <br /> (SEE NOTE 1) <br /> ;�i/ <br /> , , \/ <br /> � <br /> + \�' <br /> ���� <br /> � . i <br /> \�� VARIES <br /> � <br /> \/�i <br /> �--P I P E\/�\\/���j\//�, <br /> NOT TO SCALE <br /> LEGEND: <br /> RECOMMENDED COMPACTION AS A PERCENTAGE OF <br /> 95 MAXIMUM DRY DENSITY, BY TEST METHOD ASTM D1557 <br /> (MODIFIED PROCTOR) <br /> CONCRETE OR ASPHALT PAVEMENT <br /> BASE COURSE <br /> TRENCH BACKFILL Compaction Criteria <br /> for Trench Backfill <br /> PIPE BEDDING <br /> Beverly Park Substation <br /> Everett, Washington <br /> NOTES: <br /> 1.All backfill under building areas should be compacted to G EO E NG I N E E R� Fig ure 3 <br /> at least 95 percent per ASTM D1557. <br />