1209 MADRONA AVE 2016-10-05 - Laserfiche WebLink

TABLE OF CONTENTS INTRODUCTION......................................................................................................................... 1 SCOPE............................................................................................................................................3 SITECONDITIONS.....................................................................................................................3 SURFACECONDITIONS.................................................................................................................. 3 SUBSURFACECONDITIONS............................................................................................................ 4 HYDROLOGIC(CONDITIONS........................................................................................................... 5 SENSITIVE AREA EVALUATION...........................................................................................6 SEISMICHAZARD.......................................................................................................................... 6 EROSIONHAZARD ..............................._........................................................................................ 6 LANDSLIDEHAZARD .................................................................................................................... 7 CONCLUSIONS AND RECOMMENDATIONS......................................................................7 GENERAL...................................................................................................................................... 7 EROSION CONTROL AND SLOPE PROTECTION MEASURES........................................................... 10 RETAINING WALL DESIGN AND CONSTRUCTION........................................................................ 1 I TIEBACKS............................................................................................... ................................ 12 WALL BACKFILL AND SLOPE IMPROVEMENTS............................................................................ 13 FAILING WALL REPAIRS............................................................................................................. 14 USEOF THIS REPORT............................................................................................................ 14 LIST OF FIGURES Figure 1 —Vicinity Map Figure 2—Existing Conditions Site Plan Figure 3 —Cross-section A-A' Figure 4—Soil Classification Chart Figure 5—Hand Agger Logs Figure 6—Proposed Improvement Site Plan NELSON GEOTECHNICAL ASSOCIATES, INC.