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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 <br />O.:ePipe Bedding <br />N otes: <br />1. All backfill under buildingareas should be compacted to at <br />least 95 percent per ASTM D1557. <br />Compaction Criteria <br />for Trench Backfill <br />7800 Evergreen Way <br />Everett, Washington <br />GWENGINEERS� Figure4 <br />