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PN: 50663GE <br />November 20, 2006 <br />1.0 REPORT INTRODUCTION ....................................... ......................................................... 2 <br />1.1 Scope of Project .......................................................... .........................................................3 <br />2.0 GEOTECHNICAL ENGINIEERING STUDY ......... ......................................................... 3 <br />2.1 Geotechnical Engineering Study Scope of Service ..... ......................................................... 3 <br />3.0 FIELD STUDY .............................................................. ......................................................... 5 <br />3.1 Project location ........................................................... ......................................................... 5 <br />3.2 Site Description ........................................................... ......................................................... 6 <br />3.3 Subsurface Soil and Water Conditions ....................... ......................................................... 6 <br />4.0 LABORATORY STUDY ............................................. ......................................................... 6 <br />5.0 SLOPE STABILITY ANALYSIS ........................ ...........................................6 <br />6.0 RETAINING STRUCTURES ...................................... ....................................................... 14 <br />6.1 Mechanically Stabilized Earth (MSE) Structures ........ ....................................................... 16 <br />7.0 SUBSURFACE DRAIN SYSTEM ............................... ....................................................... 17 <br />8.0 CONSTRUCTION CONSIDERATIONS ................... ....................................................... 18 <br />8.1 Fill Placement Recommendations ................................ ....................................................... 19 <br />8.1.1 Embankment Fill on Slopes .................................. ....................................................... 19 <br />8.1.2 Natural Soil Fill ................................................... ....................................................... 20 <br />8.1.3 Granular Compacted Structural Fill .................... ....................................................... 21 <br />8.2 Excavation Considerations .......................................... ....................................................... 21 <br />8.2.1 Excavation Cut Slopes .......................................... ....................................................... 22 <br />8.3 Utility Considerations .................................................. ....................................................... 22 <br />9.0 CONCLUSION ............................................................. ....................................................... 23 <br />Plate 1 ............................................................... ..........................................24 <br />FIELD STUDY RESULTS <br />Test Boring Location Sketch <br />Key to Log of Test Borings <br />Test Borings <br />LABORTORY TEST RESULTS <br />Sieve Analysis and Atterberg Limits Determination Test Results <br />Swell-Consolidation Test Result <br />Direct Shear Test Result <br />1 TRAUTNER~Ze~~~i-~i :I <br />A DIVISION OF TRIGONNiZa <br />