1020 N BROADWAY EVCC STUDENT HOUSING - WHOLE SITE 2022-05-23

TABLE OF CONTENTS Section Page 1.0 GENERAL.................................................................................................................1 2.0 SITE AND PROJECT DESCRIPTION.....................................................................1 3.0 SUBSURFACE EXPLORATIONS...........................................................................3 3.1 SITE GEOLOGY................................................................................................3 3.2 SUBSURFACE EXPLORATION...........................................................................3 3.3 SOIL CONDITIONS............................................................................................3 3.4 GROUNDWATER..............................................................................................4 4.0 GEOTECHNICAL RECOMMENDATIONS...........................................................5 4.1 SEISMIC DESIGN PARAMETERS........................................................................5 4.2 BUILDING FOUNDATIONS................................................................................6 4.2.1 Lateral Resistance...........................................................................6 4.2.2 Perimeter Footing Drains...............................................................7 4.2.3 Footing Subgrade Preparation.......................................................7 4.3 FLOORS SLABS................................................................................................7 4.4 RETAINING AND BASEMENT WALL DESIGN PARAMETERS ..............................8 4.4.1 Lateral Earth Pressures..................................................................8 4.4.2 Surcharge........................................................................................8 4.4.3 Lateral Resistance...........................................................................9 4.4.4 Wall Drainage.................................................................................9 4.4.5 Wall Backfill....................................................................................9 4.5 PERMANENT CUT AND FILL SLOPES................................................................10 5.0 EARTHWORK CONSIDERATIONS.......................................................................10 5.1 TEMPORARY EXCAVATIONS AND SHORING.....................................................10 5. L I Ultrablock Shoring..........................................................................11 5.1.2 Cantilevered Soldier Piles with Timber Lagging Shoring..............12 5.2 MATERIAL REUSE...........................................................................................13 5.3 STRUCTURAL FILL AND COMPACTION.............................................................13 5.4 WET WEATHER CONSTRUCTION.....................................................................13 5.5 EROSION CONSIDERATIONS.............................................................................14 6.0 ADDITIONAL SERVICES.......................................................................................15 7.0 CLOSURE.................................................................................................................15 8.0 REFERENCES...........................................................................................................17 ATTACHMENTS: Figure 1 Vicinity Map Figure 2 Site and Exploration Plan Figure 3 Design Lateral Earth Pressures: Cantilevered Soldier Pile Shoring Appendix A Boring Logs Figure A-1 Terms and Symbols for Boring and Test Pit Logs Figures A-2 to A-4 Logs of Test Borings PG-1, PG-2 and PG-3 17-233 1020 North Broadway Page 1 PanGEO, Inc.