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Table of Contents <br /> 1.0 INTRODUCTION.....................................................................................................................................1 <br /> 1.1. Project Description............................................................................................................................1 <br /> 1.2. Purpose and Scope.........................................................................•----.........................................----1 <br /> 2.0 FIELD EXPLORATIONS AND LABORATORY TESTING..........................................................................1 <br /> 2.1. Field Explorations..............................................................................................................................1 <br /> 2.2. Laboratory Testing............................................................................................................................2 <br /> 2.3. Previous Studies................................................................................................................................2 <br /> 3.0 SITE CONDITIONS..................................................................................................................................2 <br /> 3.1. Surface Conditions....................•................................;:::::: .. ................................................------.....2 <br /> 3.2. Geology................................................................... :..:::...........: ::.....................................................2 <br /> 3.3. Subsurface Conditions.................................................................:::..................................................3 <br /> 3.3.1. Soil Conditions............................................................................................................................3 <br /> 3.3.2. Groundwater Conditions...................... ......................................................................................3 <br /> 4.0 CONCLUSIONS AND RECOMMENDATIONS.........................................................................................3 <br /> 4.1. Earthquake Engineering...................................................................................................................4 <br /> 4.1.1. Seismicity..................................... .........................•-•••-...............................................................4 <br /> 4.1.2. Seismic Hazards................................::....------...............:: ...........................................---------•......5 <br /> 4.1.3. 2015 IBC Seismic Design Information ................ .......................5 <br /> 4.2. Foundations.... ... ................ ...... .. ......... ......... ....................................•--..............................5 <br /> 4.2.1. Allowable Bearing Pressures........................................ ..........................................................6 <br /> 4.2.2. Settlement ......... ........`..........•. ...... . ......... ......... ...............................-- ........................6 <br /> 4.2.3. Lateral Resistance ......... ......... ......... ..........................................------...................................6 <br /> 4.2.4. Construction Considerations.....................::.........---------•--..........................................................7 <br /> 4.3. Footing Drains......................................................... <br /> 4.4. Slab-on-Grade Floors .....---•----•..........................................................••--------......................................7 <br /> 4.4.1. Subgrade Preparation.......................................•--------.................................................................7 <br /> 4.4.2. Design Parameters.................... <br /> 4.5. Below-Grade Walls and Retaining Walls..............................................•--.........................................8 <br /> 4.5.1. Design Parameters...................................•.............................................................................----8 <br /> 4.5.2. Wall Drainage.........................•....................................................................................................9 <br /> 4.6. Earthwork........................::...........................•--.....................................................................------------..9 <br /> 4.6.1. Excavation Considerations.........................................................................................................9 <br /> 4.6.2. Clearing and Site Preparation................................................................................................. 10 <br /> 4.6.3. Earthwork Subgrade Preparation............................ .................. 10 <br /> 4.6.4. Structural Fill............................................................................................................................ 11 <br /> 4.6.5. Fill Placement and Compaction Criteria................................................................................. 12 <br /> 4.6.6. Weather Considerations.......................................................................................................... 13 <br /> 4.6.7. Utility Trenches..............................................................................•.......................................... 14 <br /> 4.6.8. Pavement Subgrade Preparation......................................................................................•..... 14 <br /> 4.6.9. Excavations.......................................... .. 14 <br /> 4.6.10. Permanent Slopes ................................................................................................................... 15 <br /> GEOENGINEERS Juiy22,2019 Page! <br /> • Re No.W6-Qf -00 <br />