J_2024 05 09_West Orange Stormwater Management Plan

DESIGN FOUNDATION SUBORADE LEVEL SUITABLE BEARING STRATUM / w /I VERTICAL I ALTERNATE MIN. UMITS OF BOHOM OF FOUNDATION EXCAVATIONS DETERMINED BY TYPE OF BACKFILL MATERIAL LEAN CONCRETE OR FLOWABLE nil -B+DSTONE BACKFILL •8+20 STRUCTURAL FILL BACKHLL SUGGESTED FOUNDATION OVEREXCAVATION DETAIL NOT TO SCALE NOTES: 1. B s width or foundation. 2. D - Depth of overexcavailon of unsuitable materials bolow bottom of foundation subgrado to surface of suitable boaring stratum. 3. Loan Concrslo or Flowable Fill: Minimum 300 psl. 4. Stono Backfill: Clean 3/4 Inch crushed stone. 5. Structural Fill Backfill: Approved granular soils spread In lifts and compacted to at least 95 percent of maximum dry density as determined by the ASTM DI557 test procedure. 6. Stone and Structural Backfill alternates are not acceptable where excavations extend below adjacent foundations. m PLATE lO