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BLACK AVENUE RESIDENTIAL <br />DEVELOPMENT <br />648-26-1 <br />Page i <br />TABLE OF CONTENTS <br />SECTION 1: INTRODUCTION..................................................................................................... 1 <br />1.1 Project Description------------------------------------------------------------------------------------------- 1 <br />1.2 Scope of Services-------------------------------------------------------------------------------------------- 1 <br />1.3 Exploration Program ---------------------------------------------------------------------------------------- 2 <br />1.4 Laboratory Testing Program------------------------------------------------------------------------------- 2 <br />1.5 Corrosion Evaluation---------------------------------------------------------------------------------------- 2 <br />1.6 Environmental Services ------------------------------------------------------------------------------------ 2 <br />SECTION 2: REGIONAL SETTING.............................................................................................. 2 <br />2.1 Regional Seismicity------------------------------------------------------------------------------------------ 2 <br />Table 1: Approximate Fault Distances...................................................................................... 3 <br />SECTION 3: SITE CONDITIONS................................................................................................. 3 <br />3.1 Site Background---------------------------------------------------------------------------------------------- 3 <br />3.2 Surface Description------------------------------------------------------------------------------------------ 3 <br />3.3 Subsurface Conditions-------------------------------------------------------------------------------------- 3 <br />3.3.1 Plasticity/Expansion Potential ................................................................................... 4 <br />3.3 Groundwater -------------------------------------------------------------------------------------------------- 4 <br />SECTION 4: GEOLOGIC HAZARDS............................................................................................ 4 <br />4.1 Fault Surface Rupture -------------------------------------------------------------------------------------- 4 <br />4.2 Estimated Ground Shaking-------------------------------------------------------------------------------- 4 <br />4.3 Liquefaction Potential--------------------------------------------------------------------------------------- 4 <br />4.3.1 Background............................................................................................................... 5 <br />4.3.2 Analysis .................................................................................................................... 5 <br />4.3.3 Summary .................................................................................................................. 5 <br />4.3.4 Ground Deformation and Surficial Cracking Potential................................................ 6 <br />4.4 Lateral Spreading-------------------------------------------------------------------------------------------- 6 <br />4.5 Seismic Settlement/Unsaturated Sand Shaking------------------------------------------------------ 6 <br />4.6 Flooding-------------------------------------------------------------------------------------------------------- 6 <br />SECTION 5: CONCLUSIONS ...................................................................................................... 7 <br />5.1 Summary------------------------------------------------------------------------------------------------------- 7 <br />5.1.1 Redevelopment Considerations ................................................................................ 7 <br />5.1.2 Undocumented Fill.................................................................................................... 7 <br />5.1.3 Soil Corrosion Potential............................................................................................. 8 <br />5.2 Design-Level Geotechnical Investigation--------------------------------------------------------------- 8 <br />SECTION 6: EARTHWORK ......................................................................................................... 8 <br />6.1 Anticipated Earthwork Measures------------------------------------------------------------------------- 8 <br />6.2 Surface Drainage -------------------------------------------------------------------------------------------- 9 <br />SECTION 7: FOUNDATIONS....................................................................................................... 9 <br />7.1 Summary of Recommendations-------------------------------------------------------------------------- 9 <br 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/>------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ <br />.............................................................................................................................................................................................................................. <br />........................................................................................................................................................................................................................................ <br />.................................................................................................................................................................................................................................... <br />Ground Deformation and Surficial Cracking PotentialGround Deformation and Surficial Cracking Potential <br />Lateral SpreadingLateral Spreading ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br />Seismic Settlement/Unsaturated Sand ShakingSeismic Settlement/Unsaturated Sand Shaking <br />---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- <br />SECTION 5: CONCLUSIONSSECTION 5: CONCLUSIONS ............................................................................................................................................................................................................