City of Los Angeles ANDORA AVENUE TTM PROJECT ENV-1986-0062-EIR 9503 Andora Avenue/Tentative Tract Map 53426 APCNV-2004-7308-ZC SCH No. 86052110 Volume I Prepared for: City of Los Angeles Department of City Planning Environmental Review Section 200 N. Spring Street, Room 750 Los Angeles, California 90012 Prepared by: I M PA C T S C I E N C E S, I N C. 234 E. Colorado Boulevard, Suite 205 Pasadena, California 91101 (626) 564-1500 FAX (626) 564-1501
ANDORA AVENUE TTM PROJECT ENV-1986-0062-EIR 9503 Andora Avenue/Tentative Tract Map 53426 APCNV-2004-7308-ZC SCH No. 86052110 Volume I Prepared for: City of Los Angeles Department of City Planning Environmental Review Section 200 N. Spring Street, Room 750 Los Angeles, California 90012 Prepared by: Impact Sciences, Inc. 234 East Colorado Boulevard, Suite 205 Pasadena, California 91101
TABLE OF CONTENTS Volume I Section Page I INTRODUCTION... I-1 II III IV V VI VII VIII SUMMARY...II-1 PROJECT DESCRIPTION... III-1 ENVIRONMENTAL IMPACT ANALYSIS... IV-1 IV.A Aesthetics and Views... IV.A-1 IV.B Biological Resources...IV.B-1 IV.C Air Quality... IV.C-1 IV.D Cultural Resources...IV.D-1 IV.E Geology...IV.E-1 IV.F Water Resources...IV.F-1 IV.G Land Use... IV.G-1 IV.H Noise... IV.H-1 IV.I Public Services... IV.I-1 IV.I.1 Police Protection...IV.I.1-1 IV.I.2 Fire Protection and Emergency Medical Services...IV.I.2-1 IV.I.3 Public Schools...IV.I.3-1 IV.J Transportation... IV.J-1 IV.K Public Utilities... IV.K-1 IV.K.1 Water... IV.K.1-1 IV.K.2 Wastewater... IV.K.2-1 GROWTH INDUCEMENT...V-1 PROJECT ALTERNATIVES... VI-1 EFFECTS FOUND NOT TO BE SIGNIFICANT...VII-1 ORGANIZATIONS AND PERSONS CONTACTED, REFERENCES...VIII-1 Los Angeles Department of City Planning i Andora Avenue Subdivision Tentative Tract No. 53426
Volume II Appendices I IV.B IV.C IV.E IV.G IV.H IV.I IV.J EIR Summary Table Summary Tree Report Emissions Calculations Construction Emissions Localized Significance Threshold Analysis Operational Emissions CO Hotspots Greenhouse Gas Emissions Geotechnical Reports Reconnaissance Geotechnical Investigation Supplemental Geotechnical Report Geolabs Response to Review Letters Slope Analysis Noise Calculations Construction Noise Calculations Off-Site CNEL for Existing and Future Conditions Correspondence with Los Angeles Fire Department Traffic Documentation Traffic Impact Evaluation, updated August 2009 Los Angeles Department of Transportation Letter of Approval, January 21, 2010 Los Angeles Department of City Planning ii Andora Avenue Subdivision Tentative Tract No. 53426
Figure LIST OF FIGURES III-1 Site Vicinity... III-3 III-2 Regional Location... III-4 III-3 Aerial Photo... III-5 III-4 Tentative Tract Map... III-6 III-5 Related Projects... III-10 IV.A-1 Photo Location Map...IV.A-3 IV.A-2 Site Photos 1 and 2... IV.A-4 IV.A-3 Site Photos 3 and 4... IV.A-5 IV.A-4 Site Photos 5 and 6... IV.A-6 IV.A-5 Site Photos 7 and 8... IV.A-7 IV.A-6 Topographic Section Location Map... IV.A-16 IV.A-7 Topographic Sections...IV.A-17 IV.B-1 Vegetation Map...IV.B-3 IV.B-2 Fuel Modification and Grading Impacts...IV.B-46 IV.C-1 South Coast Air Basin... IV.C-5 IV.G-1 Equestrian Trails... IV.G-5 IV.G-2 Conservation Element... IV.G-6 IV.H-1 Noise Attenuation by Barriers and Elevation Differences... IV.H-3 IV.H-2 Land Use Compatibility Guidelines... IV.H-10 IV.H-3 Noise Levels of Typical Construction Equipment... IV.H-17 IV.J-1 Existing Traffic Volumes AM Peak Hour... IV.J-5 IV.J-2 Existing Traffic Volumes PM Peak Hour...IV.J-6 IV.J-3 Project Distribution... IV.J-13 IV.J-4 Project Traffic Assignment Percentages... IV.J-14 IV.J-5 Project Traffic Volumes AM/PM Peak Hour...IV.J-15 IV.J-6 Future (2010) Traffic Volumes Without Project AM Peak Hour...IV.J-16 IV.J-7 Future (2010) Traffic Volumes Without Project PM Peak Hour... IV.J-17 IV.J-8 Future (2010) Traffic Volumes With Project AM Peak Hour...IV.J-18 IV.J-9 Future (2010) Traffic Volumes With Project PM Peak Hour...IV.J-19 VII-1 Areas of Potential Exposure to Santa Susana Field Laboratory Contamination...VII-5 Page Los Angeles Department of City Planning iii Andora Avenue Subdivision Tentative Tract No. 53426
Table LIST OF TABLES III-1 Related Projects... III-8 IV.B-1 Special-Status Plant Species Reported in the Region of the Project...IV.B-8 IV.B-2 Special-Status Animal Species Reported in the Region of the Andora Site...IV.B-16 IV.B-3 Summary of Impacts to Vegetation...IV.B-45 IV.B-4 Related Projects... IV.B-59 IV.C-1 Ambient Pollutant Concentrations Registered for SRA 6... IV.C-2 IV.C-2 Top Five GHG Producer Countries and the European Union... IV.C-9 IV.C-3 GHG Emissions in California... IV.C-10 IV.C-4 Comparison of Global Pre-Industrial and Current GHG Concentrations... IV.C-12 IV.C-5 National Ambient Air Quality Standards and Designations South Coast Air Basin (Los Angeles County)... IV.C-14 IV.C-6 California Ambient Air Quality Standards and Designations South Coast Air Basin (Los Angeles County)... IV.C-15 IV.C-7 AB 32 Scoping Plan Measures... IV.C-28 IV.C-8 SCAQMD Daily Construction Emission Thresholds... IV.C-35 IV.C-9 SCAQMD Localized Significance Thresholds for SRA 6... IV.C-36 IV.C-10 SCAQMD Daily Operation Emission Thresholds... IV.C-37 IV.C-11 Estimated Unmitigated Construction Emissions... IV.C-41 IV.C-12 Modeling Results Maximum Impacts at Residential Receptors... IV.C-43 IV.C-13 Estimated Unmitigated Operational Emissions... IV.C-44 IV.C-14 Maximum Future Carbon Monoxide Concentrations With Project... IV.C-47 IV.C-15 One-Time Estimated Greenhouse Gas Emissions... IV.C-53 IV.C-16 Annualized Estimated Greenhouse Gas Emissions... IV.C-53 IV.H-1 Outside to Inside Noise Attenuation... IV.H-2 IV.H-2 Existing Weekday Modeled Roadway Noise Levels... IV.H-7 IV.H-3 Presumed Ambient Noise Levels... IV.H-9 IV.H-4 City of Los Angeles Land Use Compatibility for Community Noise... IV.H-12 IV.H-5 Construction Equipment Noise Levels... IV.H-15 IV.H-6 Weekday Modeled Roadway Noise Levels with Project... IV.H-18 IV.H-7 Weekday Modeled Roadway Noise Levels with Cumulative Projects... IV.H-20 IV.I.2-1 LAFD Fire Code Standards Applicable to the Proposed Project...IV.I.2-3 IV.I.3-1 Los Angeles Unified School District Local District 1 Number of School Types...IV.I.3-1 IV.I.3-2 Project Attendance Boundary School s Operating Capacity for the 2007 2008 School Year...IV.I.3-2 IV.I.3-3 Los Angeles Unified School District Student Generation Ratio by Dwelling Type and Grade Level...IV.I.3-5 IV.J-1 Level of Service as a Function of CMA Values...IV.J-4 IV.J-2 Critical Movement Analysis Summary Existing 2008 Conditions...IV.J-7 IV.J-3 Project Traffic Generation... IV.J-11 IV.K.2-1 Project Wastewater Generation... IV.K.2-5 VI-1 Alternative 2 Lower Intensity Alternative Impacts... VI-4 VII-1 Solid Waste Generation...VII-10 Page Los Angeles Department of City Planning iv Andora Avenue Subdivision Tentative Tract No. 53426