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Table of Contents <br /> EXECUTIVE SUMMARY ES-1 <br /> INTRODUCTION 1 <br /> Project Description 1 <br /> Purpose and Scope 1. <br /> FIELD EXPLORATIONS AND LABORATORY TESTING 1 <br /> Field Explorations 1 <br /> Laboratory Testing 1 <br /> SITE CONDITIONS 2 <br /> Surface Conditions 2 <br /> Past Site Activities 2 <br /> Site Geology 2 <br /> Subsurface Conditions 2 <br /> Soil Conditions 2 <br /> Groundwater Conditions 3 <br /> CONCLUSIONS AND RECOMMENDATIONS 4 <br /> Earthquake Engineering • 4 <br /> Earthwork 4 <br /> Clearing and Site Preparation 5 <br /> Subgrade Preparation 5 <br /> Subgrade Protection 6 <br /> Structural Fill 6 <br /> Permanent Cut and Fill Slopes 9 <br /> Utility Trenches 9 <br /> Sedimentation and Erosion Control 9 <br /> Excavations 10 <br /> Potentially Contaminated Soil 10 <br /> Temporary Cut Slopes 10 <br /> Foundation Support 11 <br /> Shallow Foundations 11 <br /> Shallow Foundation Design 11 <br /> Foundation Design - Zone I 12 <br /> Partial Overexcavation and Replacement-Zones II through IV 12 <br /> Ground Improvement-Drilled Aggregate Piers 13 <br /> Foundation Settlement 14 <br /> Lateral Resistance 14 <br /> Construction Considerations 15 <br /> Deep Foundations 15 <br /> Driven Steel Pipe Piles 15 <br /> Footing Drains 16 <br /> Slab-on-Grade Floor 16 <br /> Subgrade Preparation 16 <br /> GEOENGINEERS June 10,2010 I Page i <br /> File No.5836.010.00 <br />