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<br /> <br />BERLOGAR STEVENS & ASSOCIATES <br /> <br />UPDATED DESIGN LEVEL GEOTECHNICAL INVESTIGATION <br />MERRITT PROPERTY <br />PLEASANTON, CALIFORNIA <br />Table of Contents <br />1. PROJECT UNDERSTANDING ......................................................................................... 1 <br />2. PURPOSE AND SCOPE OF SERVICES ........................................................................... 1 <br />3. GEOLOGY ............................................................................................................................ 2 <br /> GEOLOGIC SETTING ....................................................................................2 <br />4. SITE INVESTIGATION ..................................................................................................... 2 <br /> FIELD EXPLORATION ..................................................................................2 <br />5. SITE CONDITIONS ............................................................................................................ 3 <br /> SURFACE CONDITIONS ................................................................................3 <br /> SUBSURFACE CONDITIONS ..........................................................................3 <br /> LABORATORY TESTING ...............................................................................4 <br />6. GEOLOGIC HAZARDS ....................................................................................................... 4 <br /> SURFACE FAULT GROUND RUPTURE ..........................................................4 <br /> SEISMICITY AND SEISMIC GROUND SHAKING ...........................................4 <br /> SEISMIC HAZARDS.......................................................................................5 <br />6.3.1. LIQUEFACTION ............................................................................................5 <br />6.3.2. LANDSLIDING ..............................................................................................5 <br />7. CONCLUSIONS AND PRELIMINARY RECOMMENDATIONS ................................. 5 <br /> GENERAL .....................................................................................................5 <br /> EXISTING FILL -SOUTHEASTERN KNOB .....................................................5 <br /> CUT SLOPES .................................................................................................5 <br /> FILL SLOPES ................................................................................................6 <br /> SITE PREPARATION AND GRADING .............................................................6 <br /> SELECTIVE GRADING ..................................................................................7 <br /> EARTHWORK BALANCE DURING GRADING ...............................................7 <br /> EXCAVATION CHARACTERISTICS ...............................................................7 <br /> POST-TENSIONED SLAB FOUNDATIONS ......................................................8 <br /> SEISMIC DESIGN PARAMETERS ..................................................................8 <br /> RETAINING WALLS ...............................................................................9 <br />7.11.1. Lateral Earth pressures ...............................................................9 <br />7.11.2. Retaining Wall Foundations ........................................................9 <br />7.11.3. Retaining Wall Drainage ...........................................................10 <br /> PAVEMENT RECOMMENDATIONS .............................................................10 <br />7.12.1. Flexible Pavement Section – Asphalt Concrete .......................10 <br />7.12.2. SUBGRADE AND AGGREGATE BASE ..........................................................11 <br />7.12.3. PAVEMENT EDGE DRAINS .........................................................................11 <br /> CORROSION TESTING ................................................................................11 <br />8. ADDITIONAL GEOTECHNICAL ENGINEERING SERVICES ................................. 11 <br />9. LIMITATIONS ................................................................................................................. 12 <br /> <br /> <br />