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Existing and Future Conditions Report EXISTING AND FUTURE CONDITIONS REPORT ALBANY BEACH RESTORATION AND PUBLIC ACCESS FEASIBILITY STUDY EASTSHORE STATE PARK, CALIFORNIA January 12, 2011 EXISTING AND FUTURE CONDITIONS REPORT ALBANY BEACH RESTORATION AND PUBLIC ACCESS FEASIBILITY STUDY Eastshore State Park, California Submitted to the: East Bay Regional Park District 2950 Peralta Oaks Court Oakland, California 94605-0381 510.544.2627 Prepared by: LSA ASSOCIATES, INC. 157 Park Place Point Richmond, California 94801 510.236.6810 Kathy Boyer, Ph.D. Romberg Tiburon Center for Environmental Studies Philip Williams & Associates, Ltd. San Francisco State University Environmental Hydrology 3152 Paradise Drive 550 Kearny Street, Suite 900 Tiburon, California 94920 San Francisco, California 94108 415.338.3751 415.262.2300 Baseline Environmental Consulting Vallier Design Associates, Inc. 5900 Hollis Street, Suite D 210 Washington Avenue, Suite G Emeryville, California 94608 Point Richmond, California 94801 510.420.8686 510.237.7745 January 12, 2011 TABLE OF CONTENTS 1.0 INTRODUCTION.....................................................................................................................1 1.1 BACKGROUND...............................................................................................................1 1.2 PURPOSE..........................................................................................................................1 1.3 REPORT PREPARATION ...............................................................................................2 1.4 PROJECT AND STUDY AREA DESCRIPTION............................................................3 2.0 GENERAL INFORMATION ...................................................................................................7 2.1 HISTORICAL AND CURRENT LAND USE..................................................................7 2.2 REGIONAL, STATE AND FEDERAL GOVERNMENT PROGRAMS........................7 2.3 GENERAL PLAN GUIDELINES, GOALS AND POLICIES.......................................11 2.4 MUNICIPAL CODES, ZONING AND OTHER LOCAL PLANS AND STUDIES ...................................................................................................................................12 3.0 INFRASTRUCTURE..............................................................................................................14 3.1 INTRODUCTION...........................................................................................................14 3.2 ROADS AND TRAILS...................................................................................................17 3.3 STRUCTURES AND FACILITIES................................................................................17 3.4 WATER SUPPLY...........................................................................................................18 3.5 WASTEWATER/SANITARY SEWER SERVICE........................................................18 3.6 STORM WATER ............................................................................................................19 3.7 ELECTRICAL/GAS........................................................................................................19 3.8 TELECOMMUNICATIONS ..........................................................................................19 3.9 SOLID WASTE MANAGEMENT.................................................................................19 4.0 TRAFFIC AND CIRCULATION...........................................................................................21 4.1 INTRODUCTION...........................................................................................................21 4.2 EXISTING TRANSPORTATION SYSTEM .................................................................23 4.3 EXISTING TRAFFIC CONDITIONS............................................................................24 4.4 FUTURE TRAFFIC CONDITIONS...............................................................................25 4.5 ALTERNATIVE TRANSIT............................................................................................26 4.6 CONCLUSIONS .............................................................................................................26 5.0 HAZARDOUS MATERIALS AND SITE REMEDIATION.................................................28 5.1 INTRODUCTION...........................................................................................................28 5.2 SITE HISTORY ..............................................................................................................28 5.3 PREVIOUS ENVIRONMENTAL INVESTIGATIONS ................................................29 5.4 RWQCB ORDER 98-072................................................................................................29 5.5 DISCUSSION.................................................................................................................. 33 6.0 OTHER SAFETY CONSIDERATIONS ................................................................................34 6.1 INTRODUCTION...........................................................................................................34 6.2 EXISTING SAFETY CONSIDERATIONS ...................................................................34 7.0 PHYSICAL PROCESSES ......................................................................................................36 7.1 INTRODUCTION...........................................................................................................36 7.2 ALBANY SHORELINE EVOLUTION .........................................................................37 7.3 GEOLOGY AND SOILS ................................................................................................41 7.4 HYDROLOGY................................................................................................................42 7.5 TIDES..............................................................................................................................42 7.6 RELATIVE SEA LEVEL RISE AND SUBSIDENCE...................................................43 7.7 WAVES...........................................................................................................................44 P:\EBR1001\Task 2 Existing Conditions\Final Draft JAN 2011\Conditions_Report_Final.doc (01/10/11) i 7.8 SEISMIC HAZARDS .....................................................................................................54 7.9 CONCLUSIONS AND FUTURE CONDITIONS..........................................................57 8.0 BIOLOGICAL RESOURCES ................................................................................................61 8.1 INTRODUCTION...........................................................................................................61 8.2 REGULATORY CONTEXT ..........................................................................................61 8.3 EXISTING VEGETATION AND SPECIAL-STATUS PLANT SPECIES...................66 8.4 EXISTING WILDLIFE AND SPECIAL-STATUS ANIMALS.....................................73 8.5 EXISTING WETLANDS AND OTHER IMPORTANT HABITATS...........................82 8.6 FUTURE CONDITIONS ................................................................................................86 9.0 HISTORIC AND CULTURAL RESOURCES.......................................................................89 9.1 INTRODUCTION...........................................................................................................89 9.2 METHODS......................................................................................................................89 9.3 REGULATORY CONTEXT ..........................................................................................90 9.4 PALEONTOLOGICAL AND CULTURAL RESOURCES SETTING.........................94 9.5 RESOURCE INVENTORY............................................................................................96 10.0 AESTHETICS.........................................................................................................................98 10.1 INTRODUCTION...........................................................................................................98 10.2 EXISTING AND FUTURE VISUAL RESOURCES.....................................................98 11.0 PARK MAINTENANCE......................................................................................................100 11.1 INTRODUCTION.........................................................................................................100 11.2 EXISTING MAINTENANCE ACTIVITIES ...............................................................100 11.3 FUTURE MAINTENANCE REQUIREMENTS .........................................................101 12.0 REFERENCES......................................................................................................................102 APPENDICES A: Master Plan Policies and Goals Relevant to the Albany Beach Study Area B: Traffic and Circulation Level of Service Output Report C: Traffic Count Data D: Phase II Site Assessment, Fleming Point Property E: Comparison of Sea Level Rise Projections F: WAVE98 Documentation G: Animal Species Observed by LSA March 26, 2010 H: Delineation of Potential Waters of the United States in the Albany Beach Study Area P:\EBR1001\Task 2 Existing Conditions\Final Draft JAN 2011\Conditions_Report_Final.doc (01/10/11) ii FIGURES AND TABLES FIGURES Figure 1: Regional Location...................................................................................................................4
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