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DRAFT THE PLATINUM TRIANGLE SUBSEQUENT ENVIRONMENTAL IMPACT REPORT NO. 332 (SCH NO. [PHONE REDACTED]) VOLUME I OF II SUBSEQUENT EIR prepared for: CITY OF ANAHEIM Contact: Linda Johnson, Principal Planner prepared by: THE PLANNING CENTER Contact: William Halligan, Esq., Director of Environmental Services MAY 2005 ---PAGE BREAK--- DRAFT THE PLATINUM TRIANGLE SUBSEQUENT ENVIRONMENTAL IMPACT REPORT NO. 332 (SCH NO. [PHONE REDACTED]) VOLUME I OF II SUBSEQUENT EIR prepared for: CITY OF ANAHEIM 200 S. Anaheim Boulevard Anaheim, CA 92805 Contact: Linda Johnson, Principal Planner prepared by: THE PLANNING CENTER 1580 Metro Drive Costa Mesa, CA 92626 Tel: [PHONE REDACTED] • Fax: [PHONE REDACTED] E-mail: [EMAIL REDACTED] Website: www.planningcenter.com Contact: William Halligan, Esq., Director of Environmental Services COA-23E MAY 2005 ---PAGE BREAK--- Table of Contents The Platinum Triangle Subsequent EIR City of Anaheim • Page i 1. EXECUTIVE 1.1 INTRODUCTION 1.2 ENVIRONMENTAL 1.2.1 DSEIR Format 1.2.2 Type and Purpose of This DSEIR 1.3 PROJECT 1.4 PROJECT SUMMARY 1.5 SUMMARY OF PROJECT 1.5.1 No-Project/Existing Master Land Use Plan 1.5.2 Reduced Intensity Alternative 1.5.3 Increased Residential Intensity Alternative 1.6 ISSUES TO BE 1.7 AREAS OF 1.8 SUMMARY OF ENVIRONMENTAL IMPACTS, MITIGATION MEASURES, AND LEVELS OF SIGNIFICANCE AFTER 2. 2.1 PURPOSE OF THE ENVIRONMENTAL IMPACT 2.2 NOTICE OF PREPARATION AND INITIAL STUDY 2.3 SCOPE OF THIS 2.3.1 Impacts Considered Less Than Significant 2.3.2 Potentially Significant Adverse 2.3.3 Unavoidable Significant Adverse Impacts 2.4 INCORPORATION BY 2.5 FINAL EIR CERTIFICATION 2.6 MITIGATION 3. PROJECT DESCRIPTION 3.1 PROJECT 3.2 STATEMENT OF 3.3 PROJECT CHARACTERISTICS 3.3.1 Project Background 3.3.2 Description of the Project 3-10 3.4 INTENDED USES OF THE SUBSEQUENT 3-22 4. ENVIRONMENTAL 4.1 INTRODUCTION 4.2 REGIONAL ENVIRONMENTAL 4.2.1 Regional Location 4.2.2 Regional Planning Considerations 4.3 LOCAL ENVIRONMENTAL 4.3.1 Location and Land 4.3.2 Biological Resources 4.3.3 Climate and Air Quality 4.3.4 Geology and 4.3.5 Hydrology 4.3.6 4.3.7 Scenic Features 4.3.8 Public Services and 4.3.9 General Plan and ---PAGE BREAK--- Table of Contents Section Page Page ii • The Planning Center May 2005 4.4 ASSUMPTIONS REGARDING CUMULATIVE 4-11 5. ENVIRONMENTAL 5.1 AESTHETICS 5.1.1 Environmental 5.1.2 Thresholds of Significance 5.1.3 Environmental Impacts 5.1.4 Cumulative Impacts 5-21 5.1.5 Existing Regulations and Standard 5-21 5.1.6 Level of Significance Before 5-22 5.1.7 Mitigation 5-22 5.1.8 Level of Significance After 5-22 5.2 AIR 5-23 5.2.1 Environmental 5-23 5.2.2 Thresholds of Significance 5-33 5.2.3 Environmental Impacts 5-34 5.2.4 Cumulative Impacts 5-39 5.2.5 Existing Regulations and Standard 5-39 5.2.6 Level of Significance Before 5-39 5.2.7 Mitigation 5-39 5.2.8 Level of Significance After 5-42 5.3 GEOLOGY AND 5-43 5.3.1 Environmental 5-43 5.3.2 Thresholds of Significance 5-47 5.3.3 Environmental Impacts 5-53 5.3.4 Cumulative Impacts 5-55 5.3.5 Existing Regulations and Standard 5-55 5.3.6 Level of Significance Before 5-55 5.3.7 Mitigation 5-56 5.3.8 Level of Significance After 5-56 5.4 HAZARDS AND HAZARDOUS MATERIALS 5-57 5.4.1 Environmental 5-57 5.4.2 Thresholds of Significance 5-64 5.4.3 Environmental Impacts 5-65 5.4.4 Cumulative Impacts 5-70 5.4.5 Existing Regulations and Standard 5-70 5.4.6 Level of Significance Before 5-70 5.4.7 Mitigation 5-70 5.4.8 Level of Significance After 5-72 5.5 HYDROLOGY AND WATER QUALITY 5-73 5.5.1 Environmental 5-73 5.5.2 Thresholds of Significance 5-83 5.5.3 Environmental Impacts 5-84 5.5.4 Cumulative Impacts 5-100 5.5.5 Existing Regulations and Standard 5-100 5.5.6 Level of Significance Before 5-101 5.5.7 Mitigation 5-101 5.5.8 Level of Significance After 5-102 5.6 LAND USE AND PLANNING 5-103 ---PAGE BREAK--- Table of Contents The Platinum Triangle Subsequent EIR City of Anaheim • Page iii 5.6.1 Environmental 5-103 5.6.2 Thresholds of Significance 5-107 5.6.3 Environmental Impacts 5-107 5.6.4 Cumulative Impacts 5-115 5.6.5 Existing Regulations and Standard 5-116 5.6.6 Level of Significance Before 5-116 5.6.7 Mitigation 5-116 5.6.8 Level of Significance After 5-116 5.7 NOISE 5.7.1 Environmental 5-120 5.7.2 Thresholds of Significance 5-132 5.7.3 Environmental Impacts 5-133 5.7.4 Cumulative Impacts 5-140 5.7.5 Existing Regulations and Standard 5-140 5.7.6 Level of Significance Before 5-140 5.7.7 Mitigation 5-140 5.7.8 Level of Significance After 5-141 5.8 POPULATION AND 5-143 5.8.1 Environmental 5-143 5.8.2 Thresholds of Significance 5-145 5.8.3 Environmental Impacts 5-145 5.8.4 Cumulative Impacts 5-147 5.8.5 Existing Regulations and Standard 5-147 5.8.6 Level of Significance Before 5-147 5.8.7 Mitigation 5-147 5.8.8 Level of Significance After 5-147 5.9 PUBLIC SERVICES 5-149 5.9.1 Fire Protection and Emergency Services 5-149 5.9.2 Police 5-155 5.9.3 School Services 5-158 5.9.4 Library Services 5-168 5.9.5 Parks 5-170 5.10 TRAFFIC AND 5-181 5.10.1 Environmental 5-181 5.10.2 Thresholds of Significance 5-191 5.10.3 Environmental Impacts 5-192 5.10.4 Cumulative Impacts 5-209 5.10.5 Existing Regulations and Standard 5-209 5.10.6 Level of Significance Before 5-210 5.10.7 Mitigation 5-210 5.10.8 Level of Significance After 5-213 5.11 UTILITIES AND SERVICE SYSTEMS 5-215 5.11.1 Water Supply and Distribution 5-215 5.11.2 Wastewater Treatment and 5-225 5.11.3 Solid 5-234 5.11.4 5-239 5.11.5 Natural Gas 5-242 5.11.6 Telephone 5-244 5.11.7 5-245 6. SIGNIFICANT UNAVOIDABLE ADVERSE IMPACTS ---PAGE BREAK--- Table of Contents Section Page Page iv • The Planning Center May 2005 7. ALTERNATIVES TO THE PROPOSED PROJECT 7.1 INTRODUCTION 7.1.1 Purpose and 7.1.2 Project 7.2 ALTERNATIVES CONSIDERED AND REJECTED DURING THE SCOPING/PROJECT PLANNING 7.2.1 Alternative Sites 7.2.2 Modified PTMU Overlay 7.3 ALTERNATIVES SELECTED FOR FURTHER ANALYSIS 7.3.1 No-Project/Existing MLUP 7.3.2 Reduced Density 7.3.3 Increased Residential Intensity Alternative 7-10 7.4 ALTERNATIVES SUMMARY 7-12 7.5 ENVIRONMENTALLY SUPERIOR 7-12 8. IMPACTS FOUND NOT TO BE 9. SIGNIFICANT IRREVERSIBLE CHANGES DUE TO THE PROPOSED 10. GROWTH-INDUCING IMPACTS OF THE 11. ORGANIZATIONS AND PERSONS 12. QUALIFICATIONS OF PERSONS PREPARING EIR 13. ---PAGE BREAK--- Table of Contents The Platinum Triangle Subsequent EIR City of Anaheim • Page v APPENDICES A NOTICE OF PREPARATION AND INITIAL STUDY B COMMENTS ON NOTICE OF PREPARATION C PROPOSED GENERAL PLAN AMENDMENT, ZONING RECLASSIFICATION, ZONING CODE AMENDMENT, AND AN AMENDMENT TO THE PLATINUM TRIANGLE MASTER LAND USE PLAN D AIR QUALITY MODELING OUTPUT E HAZARDOUS MATERIALS REPORT F DRAINAGE STUDY G WATER QUALITY ANALYSIS H NOISE MODELING OUTPUT I PUBLIC SERVICES CORRESPONDENCE J TRAFFIC STUDY K WATER SUPPLY ASSESSMENT L SEWER STUDY ---PAGE BREAK--- List of Figures Figure Page Page vi • The Planning Center May 2005 Figure 3-1 Regional Location Figure 3-2 Local Vicinity Figure 3-3 Aerial Photograph Figure 3-4 Revised Mixed-Use Districts 3-13 Figure 3-5 Adopted PTMU Overlay Zone 3-17 Figure 3-6 Adopted Urban Design 3-19 Figure 4-1 Existing General Plan Figure 4-2 Existing Zoning Figure 4-3 Additional Existing Zoning Provisions Figure 5.1-1 Site Figure 5.1-2 Site Figure 5.1-3 Site Figure 5.1-4 Urban Design 5-11 Figure 5.1-5 Conceptual View Simulation 5-15 Figure 5.1-6 Conceptual View Simulation 5-17 Figure 5.1-7 Conceptual View Simulation C 5-19 Figure 5.3-1 Generalized Geologic Map 5-45 Figure 5.3-2 Regional Fault Location 5-49 Figure 5.3-3 Seismic and Geologic Hazards 5-51 Figure 5.4-1 EDR Listed Sites 5-59 Figure 5.4-2 Heliports in The Platinum Triangle Vicinity 5-67 Figure 5.5-1 Flood Hazard Zones 5-75 Figure 5.5-2 Proposed Drainage Improvements and Benefit Zones 5-85 Figure 5.6-1 Surrounding Land 5-105 Figure 5.7-1 Noise Monitoring 5-123 Figure 5.7-2 Land Use Compatibility for Community Noise Environments 5-129 Figure 5.9-1 Fire and Police Facilities 5-151 Figure 5.9-2 Anaheim City School District – School 5-161 Figure 5.9-3 Junior High and High Schools and Libraries Adjacent to The Platinum Triangle 5-163 Figure 5.9-4 Location of Parks within the City of Anaheim 5-171 Figure 5.10-1 Traffic Analysis Zones in The Platinum 5-183 Figure 5.10-2 Existing Mid-Block Number of Lanes on Streets in the Project Area 5-185 Figure 5.10-3 Average Daily Traffic in Existing Conditions (in 5-189 Figure 5.10-4 Future Average Daily Traffic for Adopted 5-195 Figure 5.10-5 Planned Circulation Improvements Future Mid-Block Number of Lanes on Streets in Project Area 5-201 Figure 5.10-6 Future Mid-Block Number of Lanes on Streets in Study 5-203 Figure 5.11-1 City of Anaheim Major Water Facilities 5-217 Figure 5.11-2 Proposed Sewer Improvements 5-229 ---PAGE BREAK--- List of Tables Table Page The Platinum Triangle Subsequent EIR City of Anaheim • Page vii Table 1-1 The Platinum Triangle PTMU Overlay Zone Proposed Development Intensities* Table 1-2 Reduced Intensity Alternative Development Table 1-3 Summary of Environmental Impacts, Mitigation Measures and Levels of Significance After Mitigation Table 2-1 The Platinum Triangle NOP Responses Table 3-1 The Platinum Triangle Proposed Development 3-11 Table 3-2 Intended Uses of the Subsequent 3-22 Table 4-1 General Plan Buildout Potential for Purposes of Cumulative Impact 4-12 Table 5.1-1 PTMU Overlay Zone Maximum Structural 5-13 Table 5.2-1 Ambient Air Quality 5-24 Table 5.2-2 Summary of Health Effects of the Major Criteria Air Pollutants 5-26 Table 5.2-3 Attainment Status of Criteria Pollutants in the South Coast Air 5-28 Table 5.2-4 Ambient Air Quality Monitoring Summary 5-32 Table 5.2-5 SCAQMD Significance 5-33 Table 5.2-6 Project Related Construction Phase Emissions (In Pounds Per 5-35 Table 5.2-7 Project Related Operational Phase Emissions (In Pounds Per Day) 5-35 Table 5.2-8 Monoxide Dispersion Analysis for 2025 with Project (In Parts Per Million) 5-37 Table 5.5-1 Comparison of General Land Use Changes1 5-93 Table 5.5-2 Constituents Generated by Existing and Proposed Land Uses 5-95 Table 5.5-3 EMCs Based on Land Table 5.5-4 Expected Existing Pollutant 5-97 Table 5.5-5 Estimated Dissolved Metals Concentrations Existing Conditions Compared to CTR Criteria 5-97 Table 5.5-6 Expected Changes in Pollutant Concentrations Proposed Condition – Mitigated and 5-99 Table 5.5-7 Removal Efficiencies for Selected 5-99 Table 5.6-1 Consistency with City of Anaheim Relevant General Plan 5-108 Table 5.6-2 Consistency with SCAG Regional Policies 5-112 Table 5.7-1 Human Reaction to Typical Vibration 5-119 Table 5.7-2 FHWA Design Noise Levels 5-125 Table 5.7-3 Normally Compatible Community Sound 5-127 Table 5.7-4 State of California Interior and Exterior Noise Standards 5-131 Table 5.7-5 Noise Levels Generated by Typical Construction 5-134 Table 5.7-6 Build-out Traffic Volumes and Resultant Noise Levels Along Major Roadways Subject to Potentially Significant 5-135 Table 5.8-1 Composition of Housing 5-143 Table 5.8-2 Build-out Statistical 5-146 Table 5.9-1 Projected Student Population The Platinum 5-166 Table 5.9-2 Mini-park Facilities in the City of 5-173 Table 5.9-3 Neighborhood Parks Located Within the City of 5-173 Table 5.9-4 Community 5-174 Table 5.9-5 Special Use Park Facilities in the City of Anaheim 5-175 Table 5.10-1 Mixed-Use Trip Reduction Plan by District 5-182 Table 5.10-2 Existing Intersection Lane 5-187 Table 5.10-3 Daily Trip Generation for Existing 5-188 Table 5.10-4 Existing Level of Service at Study Intersections 5-191 Table 5.10-5 Adopted Master Land Use Plan in Study Area 5-193 ---PAGE BREAK--- List of Tables Table Page Page viii • The Planning Center May 2005 Table 5.10-6 Daily Trip Generation for the Adopted MLUP 5-194 Table 5.10-7 Level-of-Service for Adopted Master Land Use Plan with Existing Lane 5-197 Table 5.10-8 Proposed Master Land Use Plan in Study Area 5-199 Table 5.10-9 Planned Circulation Improvements Intersection Lane 5-200 Table 5.10-10 Daily Trip Generation for Proposed Master Land Use 5-205 Table 5.10-11 Level-of-Service for Proposed Master Land Use Plan with Existing Lane 5-206 Table 5.10-12 Level-of-Service for Proposed Master Land Use Plan with Future Planned Circulation Improvements Lane 5-207 Table 5.11-1 Summary of Water Demands for The Platinum Triangle 5-221 Table 5.11-2 Historic Water Production by Source 5-221 Table 5.11-3 Projected Water Supply and 5-222 Table 5.11-4 District Overall Mixed-Use Flow 5-231 Table 5.11-5 Proposed Sewer Improvements 5-232 Table 5.11-6 Orange County Landfills 5-235 Table 7-1 Summary of Development Alternatives Table 7-2 Reduced Intensity Alternative Development Table 8-1 Impacts Found Not To Be