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Table of Contents <br /> ES-7829.01 <br /> PAGE <br /> INTRODUCTION ................................................................................. 1 <br /> General..................................................................................... 1 <br /> Project Description ................................................................. 2 <br /> SITE CONDITIONS ............................................................................. 2 <br /> Surface..................................................................................... 2 <br /> Subsurface .............................................................................. 2 <br /> Topsoil and Fill............................................................. 3 <br /> NativeSoil..................................................................... 3 <br /> Geologic Setting........................................................... 3 <br /> Groundwater................................................................. 3 <br /> Geologic Hazard Areas Assessment..................................... 4 <br /> Erosion Hazard Areas........................................... 4 <br /> Landslide Hazard Areas........................................ 4 <br /> Slope Stability Analysis........................................ 5 <br /> Seismic/Liquefaction Hazard Areas........................ 5 <br /> DISCUSSION AND RECOMMENDATIONS ....................................... 6 <br /> General..................................................................................... 6 <br /> Site Preparation and Earthwork............................................. 6 <br /> Temporary Erosion Control......................................... 7 <br /> Excavations and Slopes .............................................. 7 <br /> Structural Fill ................................................................ 8 <br /> In-situ and Imported Soil ............................................. 8 <br /> Wet-Season Grading .................................................... 9 <br /> Void Space Restoration ............................................... 9 <br /> Foundations ............................................................................ 9 <br /> RetainingWalls ....................................................................... 10 <br /> Slab-on-Grade Floors ............................................................. 11 <br /> Utility Support and Trench Backfill ....................................... 11 <br /> Preliminary Pavement Sections............................................. 11 <br /> Drainage................................................................................... 12 <br /> Infiltration Evaluation................................................... 13 <br /> Stormwater Vault Design............................................. 13 <br /> SeismicDesign ....................................................................... 14 <br /> LIMITATIONS...................................................................................... 15 <br /> Additional Services................................................................. 15 <br /> Earth Solutions NW, LLC <br />