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Page 10 <br /> <br /> <br />7.1.3 Structural Backfill <br />The onsite soils may be used as compacted fill provided they are free of organic materials <br />and debris. Fills should be placed in relatively thin lifts; brought to near optimum moisture <br />content, then compacted to obtain at least 90 percent relative compaction based on <br />laboratory standard ASTM D-1557-07. <br />7.1.4 Site Drainage <br />Foundation and slab performance depend greatly on how well runoff waters drain from the <br />site. This is true both during construction and over the entire life of the structure. The ground <br />surface around structures should be graded so that water flows rapidly away from structure. <br />Roof gutters and downspouts should be properly provided and maintained. <br />In the future, sources of uncontrolled water, such as leaky sewer, water (domestic, irrigation) <br />or drain pipes should be repaired if identified. <br />The requirements of the governmental agency and the current CBC should be followed, as <br />needed. <br />522 S Raitt St & #2 - <br />101118250-518/19/2024