Geotechnical Investigation <br />Capital Hill PUD <br />Eugene, Oregon <br />TABLE OF CONTENTS <br />1.0 INTRODUCTION .................................................................................................................................3 <br />1.1 Project and Site Description 3 <br />1.2 Scope of Work 4 <br />1.3 Site Information Resources 4 <br />2.0 SITE SUBSURFACE CONDITIONS .................................................................................................5 <br />2.1 Ground Water and Water Features 5 <br />3.0 GEOLOGIC SETTING ........................................................................................................................5 <br />3.1 Regional Geology 5 <br />3.2 Site Geology 6 <br />3.3 Slope Stability and Geologic Hazards 6 <br />4.0 CONCLUSIONS ....................................................................................................................................7 <br />5.0 <br />RECOMMENDATIONS <br />8 <br />5.1 <br />Site Preparation, and Foundation Subgrade Requirements <br />8 <br />5.2 <br />Excavations <br />10 <br />5.3 <br />Cut and Fill Slopes <br />10 <br />5.4 <br />Drainage <br />10 <br />5.5 <br />Retaining Walls <br />10 <br />5.6 <br />Pavement Design Recommendations <br />11 <br />5.7 <br />Wet Weather/Dry Weather Construction Practices <br />11 <br />5.8 <br />Seismic Site Classification <br />11 <br />6.0 REPORT LIMITATIONS ..................................................................................................................12 <br />FIGURE 1- Site Exploration Map <br />FIGURE 2 - Preliminary Site Plan <br />FIGURE-3 - Nearby Mapped Landslides <br />APPENDIX A - Test Pit Log Summaries, Well Logs, Soil Survey, and Site Specific Seismic Information <br />APPENDIX B - Geotechnical Specifications, Fill Slope and Benching Typical Detail <br />Branch Engineering, Inc. <br />2 <br />