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603284-001 <br />TABLE OF CONTENTS <br />Section Paae <br />5.1 Earthwork and Grading 19 <br />5.1.1 Site Preparation 19 <br />5.1.2 General Grading Recommendations 20 <br />5.1.3 Pipe Bedding 20 <br />5.1.4 Trench Backfill 21 <br />5.1.5 Corrosion Protection Measures 21 <br />5.2 Shallow Foundations 22 <br />5.2.1 Minimum Embedment and Width 22 <br />5.2.2 Bearing Value 22 <br />5.2.3 Settlement 22 <br />5.2.4 Lateral Resistance ...23 <br />5.3 Slabs-on-Grade 23 <br />5.4 Lateral Earth Pressures 24 <br />5.5 Seismic Design Parameters 25 <br />5.6 Field Percolation Test Results 27 <br />5.7 Pavement. 28 <br />5.7.1 Aggregate Base Course 28 <br />5.7.2 Hot Mix Asphalt (HMA) 28 <br />5.7.3 Rigid Pavement 29 <br />5.7.4 Interlocking Pavers 30 <br />5.8 Temporary Excavation and Shoring Design..31 <br />5.9 Additional Geotechnical Services 31 <br />6.0 LIMITATIONS 33 <br />ATTACHMENTS <br />Tables <br />Table 1 - Groundwater Measurements <br />Table 2 - Seismic Parameters for Nearby Active Faults <br />Table 3 - Corrosivity Test Results <br />Table 4 - Lateral Earth Pressures <br />Table 5A - 2010 CBC Seismic Design Parameters <br />(Mapped Values for Upper Envelope of Site Class D and E) <br />Table 5B - 2010 CBC Seismic Design Parameters <br />(Site-Specific Procedure) <br />Page 8 <br />Page 10 <br />Page 21 <br />Page 24 <br />Page 26 <br />Page 27 <br />-11- <br />Leighton <br />SL Rvcd 2019.01.21