COYOTE VALLEY OPEN SPACE PRESERVE USE AND MANAGEMENT PLAN Draft Initial Study Prepared by: July 25, 2013 ICF International Prepared for: Santa Clara Open Space Authority Coyote Valley Open Space Preserve Use and Management Plan Draft Initial Study Prepared for: Prepared by: ICF International in collaboration with: July 25, 2013 C ONTENTS PAGE CHAPTER 1 INTRODUCTION 1.1. P T DOCUMENT ......................................................................................................................1-1 1.2. SURPOSE OFT HISDOCUMENT ........................................................................................................................... 1-2 1.3. I COPE OFT ERMINOLOGYHIS ................................................................................................................................... 1-2 1.4. OMPACT T DOCUMENT ........................................................................................................... 1-3 1.5. MRGANIZATIONM OF HIS R PLAN...................................................................................1-4 ITIGATION ONITORING AND EPORTING CHAPTER 2 PROJECT DESCRIPTION 2.1. VISION................................................................................................................................................................ 2-1 2.2. G OBJECTIVES ................................................................................................................................. 2-1 2.3. FOALS AND R REPLACED................................................................................................ 2-5 2.4. PACILITIES FTOACILITIES BE EMOVED, U A ORREAS , USES ..........................................................................................2-5 2.5. PROPOSED MANAGEMENT SE........................................................................................................................... AND 2-14 2.6. ERESERVE MEASURES..................................................................................................................... 2-18 2.7. RNVIRONMENTALA PERMITS ...................................................................................................... 2-21 2.8. PEQUIREDINVOLVEMENT PPROVALS................................................................................................................................ AND . 2-22 UBLIC CHAPTER 3 ENVIRONMENTAL CHECKLIST 3.1. AESTHETICS...................................................................................................................................................... 3-4 3.2. AGRICULTURE...................................................................................................................................................3-9 3.3. A QUALITY ................................................................................................................................................. 3-16 3.4. BIR RESOURCES ............................................................................................................................. 3-30 3.5. CULTURALIOLOGICAL/H ISTORICAL/A RESOURCES .................................................................... 3-61 3.6. ENERGY ..........................................................................................................................................................RCHAEOLOGICAL 3-71 3.7. GEOLOGY ........................................................................................................................................................ 3-75 3.8. G G EMISSIONS.................................................................................................................... 3-85 3.9. HREENHOUSE HAS MATERIALS.................................................................................................. 3-92 3.10. HAZARDS AND AZARDOUSW Q UALITY ......................................................................................................3-104 3.11. L YDROLOGYUSE ANDPLANNING ATER ......................................................................................................................3-120 3.12. MAND R ANDESOURCES ..............................................................................................................................3-128 INERAL July 25, 2013 Page i Coyote Valley Open Space Preserve Use and Management Plan Draft Initial Study 3.13. NOISE..........................................................................................................................................................3-130 3.14. P HOUSING....................................................................................................................3-140 3.15. POPULATIONSERVICES AND...................................................................................................................................... 3-142 3.16. RUBLICECREATION ..............................................................................................................................................3-151 3.17. TRANSPORTATION/TRAFFIC ..................................................................................................................3-160 3.18. UTILITIES ...................................................................................................................................................3-170 3.19. M F SIGNIFICANCE............................................................................................ 3-175 CHAPTER 4 ANDATORYREFERENCES INDINGS OF 4.1 PRINTED DOCUMENTS.................................................................................................................................... 4-1 4.2 P COMMUNICATIONS ...................................................................................................................... 4-7 ERSONAL APPENDIX A TRAIL TYPICAL CROSS SECTIONS APPENDIX B AIR QUALITY MODEL DATA APPENDIX C TRAFFIC AND PARKING STUDY APPENDIX D GRAZING MANAGEMENT RECOMMENDATIONS July 25, 2013 Page ii Coyote Valley Open Space Preserve Use and Management Plan Draft Initial Study L IST OF T ABLES PAGE 1-1 ............................................................................................................... 1-5 Mitigation Monitoring and Reporting Plan for Coyote Valley Open Space Preserve 2-1 ........................................................................................................................... 2-2 Use and Management Plan 2-2 ................................................................................................................................... 2-7 Goals and Objectives 2-3 Program ................................................................................................... 2-9 Facility Program 2-4 ............................................................................2-13 Resource Management 2-5 .................................................................................................2-21 Potential Hedgerow Demonstration Plants 3.3-1 ................................................................3-17 Permitting and Review Agencies 3.3-2 .........................................................................................3-19 Federal and State Ambient Air Quality Standards 3.3-3 ..............................................................3-22 BAAQMD Thresholds of Significance 3.3-4 - issions.......................................3-24 Anticipated Construction Phasing and Equipment 3.3-5 - .........................................3-26 Estimated Construction Related Criteria Pollutant Em 3.4-1 ....................................................................3-32 Estimated Operational Related Criteria Pollutant Emissions 3.4-2 Special- Habitats in Coyote Valley Open Space Preserve ....................................................................................................................................3-39 Status Plants Known to Occur or that May Occur in the Coyote Valley Open 3.4-3 Special- Wildlife Space Preserve ....................................................................................................................................3-50 Status Known to Occur or that May Occur in the Coyote Valley Open 3.7-1 ............................................................................................................................3-78 Space Preserve 3.8-1 ............................................................3-86 Soil Characteristics 3.8-2 - s .........................................3-88 Key Characteristics of Principle Greenhouse Gases 3.8-3 - ............................................3-90 Estimated Construction Related Greenhouse Gas Emission 3.13-1 .....................................3-132 Estimated Operational Related Greenhouse Gas Emissions 3.13-2 3-133 County of Santa Clara Noise Ordinance Exterior Noise Limits 3.13-3 .....................3-134 County of Santa Clara Interior Noise Limits for Multifamily Residential Dwellings 3.13-4 .............3-134 County of Santa Clara Construction Standards for Mobile Equipment 3.13-5 ...............................................................3-136 County of Santa Clara Construction Standards for Stationary Equipment 3.13-6 .................................................................................................3-137 Construction Equipment Noise Emission Levels 3.17-1 .......................................................................................3-164 Construction Noise Calculation 3.17-2 .....................................................................................................................3-165