Specs

TABLE OF CONTENTS
1.0 INTRODUCTION ....................................................................................................................... 1
2.0 PROJECT INFORMATION ....................................................................................................... 1
3.0 SUBSURFACE INFORMATION ............................................................................................... 2
3.1 SITE GEOLOGY AND GEOLOGIC HAZARDS.................................................................................. 2
3. 2 SUBSURFACE CONDITIONS....................................................................................................... 2
3.2.1 Subsurface Profile ........................................................................................................... 2
3.2.2 Groundwater Conditions.................................................................................................. 3
3.2.3 Laboratory Testing .......................................................................................................... 4
4.0 GEOTECHNICAL EVALUATION ............................................................................................. 4
5.0 SITE GRADING RECOMMENDATIONS.................................................................................. 4
5.1 OVEREXCAVATION AND REPLACEMENT – SWELL MITIGATION...................................................... 4
5.2 ENGINEERED FILL..................................................................................................................... 6
5.2.1 Imported Structural Fill .................................................................................................... 6
5.3 GENERAL FILL PLACEMENT AND TESTING .................................................................................. 6
6.0 GEOTECHNICAL RECOMMENDATIONS ............................................................................... 7
6.1 DRILLED PIER FOUNDATIONS .................................................................................................... 7
6.2 SEISMIC PARAMETERS.............................................................................................................. 8
6.3 SLABS ON GRADE..................................................................................................................... 9
6.4 PAVEMENT DESIGN RECOMMENDATIONS ................................................................................. 10
6.4.1 Subgrade Preparation Recommendations.................................................................... 10
6.4.2 Pavement Thickness Recommendations...................................................................... 11
6.4.3 Lime Stabilization .......................................................................................................... 12
6.4.4 Flexible Pavement......................................................................................................... 13
6.4.5 Aggregate Base Course................................................................................................ 14
6.4.6 Rigid Pavement ............................................................................................................. 14
6.4.7 Movement of Pavement Section ................................................................................... 14
7.0 LIMITATIONS.......................................................................................................................... 14
ATTACHMENTS
Site Location Map (Figure 1)
Boring Location Map (Figure 2)
Boring Logs (Figures 3 through 11)
Key to Symbols (Figure 12)
Appendix A – Laboratory Test Results