Bay Trail Extension To The Berkeley Marina DESIGN PLAN AND FINAL INITIAL STUDY/MITIGATED NEGATIVE DECLARATION City of Berkeley Department of Parks, Recreation and Waterfront In association with: Association of Bay Area Governments - Bay Trail Project California Coastal Conservancy November 2003 Prepared by: 2M Associates Amphion Environmental, Inc. EndresWare, Architects Engineers LSA Associates, Inc. MHA Environmental Consulting, Inc. Wilbur Smith Associates, Inc. Bay Trail Extension To The Berkeley Marina DESIGN PLAN AND FINAL INITIAL STUDY/MITIGATED NEGATIVE DECLARATION City of Berkeley Department of Parks, Recreation and Waterfront November 2003 Prepared by: 2M Associates Amphion Environmental, Inc. EndresWare, Architects Engineers LSA Associates, Inc. MHA Environmental Consulting, Inc. Wilbur Smith Associates, Inc. In association with: Association of Bay Area Governments - Bay Trail Project California Coastal Conservancy TABLE OF CONTENTS Table of Contents PREFACE 1.0 INTRODUCTION ................................................................................................................... 1-1 1.1 Thematic Vision................................................................................................................ 1-1 1.2 Goals ............................................................................................................................... 1-1 1.3 Relationship to Other Potential Projects............................................................................ 1-2 1.4 Jurisdictional Setting ........................................................................................................ 1-3 1.4.1 Draft Marina Master Plan...................................................................................... 1-3 1.4.2 Eastshore State Park General Plan and Environmental Impact Report.................. 1-4 1.5 Regulatory Framework ..................................................................................................... 1-5 2.0 PROPOSED TRAIL ALIGNMENT AND DESIGN PLAN......................................................... 2-1 2.1 General Alignment ........................................................................................................... 2-1 2.2 Specific Trail Alignment and Design Program ................................................................... 2-2 2.2.1 Introduction ........................................................................................................... 2-2 2.2.2 Segment Descriptions ........................................................................................... 2-4 2.2.3 Other Design Considerations................................................................................. 2-8 2.2.4 Construction Methods and Schedule ................................................................... 2-10 2.3 References .................................................................................................................... 2-11 3.0 MITIGATED NEGATIVE DECLARATION .............................................................................. 3-1 3.1 Introduction ...................................................................................................................... 3-1 3.2 Environmental Determination............................................................................................ 3-1 3.3 Determination................................................................................................................. 3-12 4.0 INITIAL STUDY ..................................................................................................................... 4-1 4.1 Introduction ...................................................................................................................... 4-1 4.1.1 Intended Use of the Initial Study ............................................................................ 4-1 4.1.2 Methods................................................................................................................ 4-2 4.1.3 Other Projects in the Berkeley Marina.................................................................... 4-5 4.1.4 Summary of Environmental Effects........................................................................ 4-5 4.2 Project Environmental Setting........................................................................................... 4-9 4.2.1 Existing Facilities................................................................................................... 4-9 4.2.2 Local Setting ....................................................................................................... 4-13 4.3 Checklist and Impact Discussion .................................................................................... 4-29 4.3.1 Aesthetics ........................................................................................................... 4-29 Bay Trail Extension to the Berkeley Marina MHA Inc. TOC-1 Design Plan and Final Initial Study/Mitigated Negative Declaration November 2003 TABLE OF CONTENTS 4.3.2 Agricultural Resources......................................................................................... 4-32 4.3.3 Air Quality............................................................................................................4-33 4.3.4 Biological Resources ........................................................................................... 4-35 4.3.5 Cultural Resources .............................................................................................. 4-38 4.3.6 Geology and Soils ...............................................................................................4-40 4.3.7 Hazards and Hazardous Materials ....................................................................... 4-42 4.3.8 Hydrology and Water Quality ............................................................................... 4-45 4.3.9 Land Use and Planning........................................................................................ 4-48 4.3.10 Mineral Resources............................................................................................. 4-51 4.3.11 Noise.................................................................................................................4-52 4.3.12 Population and Housing..................................................................................... 4-54 4.3.13 Public Services ..................................................................................................4-55 4.3.14 Recreation.........................................................................................................4-56 4.3.15 Transportation/Traffic......................................................................................... 4-58 4.3.16 Utility and Sevice Systems................................................................................. 4-60 4.3.17 Mandatory Findings of Significance.................................................................... 4-62 4.4 References.....................................................................................................................4-63 5.0 RESPONSE TO COMMENTS ................................................................................................5-1 5.1 Introduction .....................................................................................................................5-1 5.2 Comments Received ........................................................................................................5-1 5.3 Comments and Responses...............................................................................................5-2 APPENDIX A: ALIGNMENT PLANS, SECTIONS, AND SKETCHES APPENDIX B: MASTER PLANT LIST APPENDIX C: MITIGATION MONITORING PROGRAM LIST OF FIGURES Figure 1: Bay Trail Extension Route Alignment ......................................................................1-2 Figure 2: Eastshore State Park General Plan.........................................................................1-5 Figure 3: Drawing Key and All Drawings ................................................................................2-3 Figure 4: Proposed Trail Location ..........................................................................................4-2 Figure 5: Layout of Berkeley Marina..................................................................................... 4-11 Figure 6: Berkeley Waterfront Land Divisions....................................................................... 4-12 MHA Inc. TOC-2 Bay Trail Extension to the Berkeley Marina Design Plan and Final Initial Study/Mitigated Negative Declaration November 2003 TABLE OF CONTENTS Figure 7: Berkeley Public Facilities and Emergency Access Routes..................................... 4-25 LIST OF TABLES Table 1: Permitting and Review Agencies .............................................................................. 1-6 Table 2: Trail Segments......................................................................................................... 2-2 Table 3: Alignment and Trail Segments.................................................................................. 2-3 Table 5: Noise Levels Along Interstates 80 and 580............................................................. 4-24 Table 6: Parking Lot Capacities and Locations in the Marina................................................ 4-28 Table 7: Noise Levels (in dBA) for Typical Types of Construction Equipment........................ 4-52 Bay Trail Extension to the Berkeley Marina