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TABLE OF CONTENTS <br />1.0 <br />INTRODUCTION.......................................................................................................................1 <br />LiGENERAL <br />....................................................................................................................................1 <br />1.2 <br />PROJECT DESCRIPTION ............................................................... .......................................... <br />1 <br />2.0 <br />PURPOSE AND SCOPE............................................................................................................1 <br />3.0 <br />SITE DESCRIPTION................................................................................................................. <br />2 <br />4.0 <br />GEOLOGIC AND SEISNIIC SETTING..................................................................................2 <br />4.1 <br />REGIONAL GEOLOGY.............................................................................................................. <br />2 <br />4.2 <br />LOCAL GEOLOGY..................................................................................................................... <br />3 <br />4.3 <br />FAULTING AND SEISMICITY.................................................................................................. <br />3 <br />5.0 <br />SUBSURFACE CONDITIONS................................................................................................. <br />4 <br />5.1 <br />EARTH MATERIALS................................................................................................................. <br />5 <br />5.2 <br />LOCAL GROUNDWATER CONDITIONS................................................................................ <br />5 <br />5.3 <br />GEOLOGIC HAZARDS.............................................................................................................. <br />6 <br />5.3.1 <br />Faulting..................................................................................................................................... <br />6 <br />5.3.2 <br />Clays and Cyclic Softening....................................................................................................... <br />6 <br />5.3.3 <br />Corrosive or Reactive Geocheinistry........................................................................................ <br />6 <br />5.3.4 <br />Hazardous Materials................................................................................................................. <br />6 <br />5.3.5 <br />Volcanic Eruption..................................................................................................................... 6 <br />5.3.6 <br />Flooding.................................................................................................................................... <br />6 <br />5.3.7 <br />Slope Stability........................................................................................................................... <br />6 <br />5.3.8 <br />Radon- Bearing Soil................................................................................. <br />5.3.9 <br />Asbestos Bearing Rock............................................................................................................. <br />7 <br />5.3.10 <br />Regional Subsidence and Hydrocollapse.................................................................................. <br />7 <br />6.0 <br />SEISMIC CONSIDERATIONS................................................................................................ 7 <br />6.1 <br />GROUND SHAKING.................................................................................................................. <br />7 <br />6. 1.11 <br />Design Parameters for Seismic Shaking................................................................................... <br />8 <br />6.2 <br />LIQUEFACTION, SEISMIC SETTLEMENT POTENTIAL...................................................... <br />8 <br />6.2.1 <br />Potential Seismically Lateral Spreading................................................................................... <br />9 <br />6.2.2 <br />Seismic Design Considerations............................................................................................... <br />9 <br />7.0 <br />CONCLUSIONS AND RECOMMENDATIONS.................................................................... <br />9 <br />7.1 <br />GENERAL....................................................................................................................................9 <br />7.2 <br />GRADING AND EARTHWORK RECOMMENDATIONS.................................................... <br />10 <br />7.2.1 <br />Site Preparation....................................................................................................................... <br />10 <br />7.2.2 <br />Overexcavation.................................................................................................:. ..... <br />10 <br />7.2.3 <br />Subgrade Preparation.............................................................................................................. <br />10 <br />7.2.4 <br />Engineered Fill Materials........................................................................................................ <br />11 <br />7.2.5 <br />Engineered Fill Placement...................................................................................................... <br />11 <br />7.2.6 <br />Excavations............................................................................................................................. <br />11 <br />7.3 <br />UNDERGROUND UTILITY TRENCHES...............................................................................12 <br />7.4 <br />SURFACE DRAINAGE CONTROL......................................................................................... <br />i2 <br />8.0 <br />FOUNDATION RECOM.'VIENDATIONS.............................................................................12 <br />8.1 <br />GENERAL FOUNDATION RECOMMENDATIONS.............................................................12 <br />ii <br />CONDOR <br />