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Draft Environmental Impact Report Westside Purple Line Rodeo Station North Portal Draft Environmental Impact Report August 2020 Westside Purple Line Rodeo Station North Portal EIR Draft Environmental Impact Report Westside Purple Line Wilshire/ Rodeo Station North Portal Project State Clearinghouse No.: 2019090104 Prepared for: City of Beverly Hills 455 North Rexford Drive Beverly Hills, California 90210 Prepared by: 300 South Grand Avenue, 8th Floor Los Angeles, California 90071 August 2020 Westside Purple Line Rodeo Station North Portal EIR Table of Contents EXECUTIVE SUMMARY ...................................................................................................................ES-1 1. INTRODUCTION ..................................................................................................................... 1-1 1.1 Purpose and Legal Authority .............................................................................. 1-2 1.2 Scope and Content ............................................................................................. 1-2 1.2.1 CEQA Updates ....................................................................................... 1-3 1.3 Lead, Responsible, and Trustee Agencies ......................................................... 1-4 1.4 Environmental Review Process .......................................................................... 1-4 1.5 Environmental Impact Report Background ......................................................... 1-5 2. PROJECT DESCRIPTION ...................................................................................................... 2-1 2.1 Background Overview ........................................................................................ 2-1 2.1.1 Purple Line Extension Project Background ............................................ 2-1 2.1.2 Wilshire/Rodeo Station North Portal Project Background ....................... 2-2 2.2 Purpose and Need ............................................................................................. 2-3 2.3 Project Objectives .............................................................................................. 2-3 2.4 Project Setting and Location .............................................................................. 2-3 2.4.1 The Project (Beverly Drive) ..................................................................... 2-8 2.4.2 Cañon Drive-Half Portal Alternative ........................................................ 2-8 2.4.3 Cañon Drive Staging Yard Alternative .................................................... 2-8 2.4.4 Surrounding Land Uses .......................................................................... 2-9 2.5 Project Alternatives ............................................................................................ 2-9 2.5.1 No Project Alternative ............................................................................. 2-9 2.5.2 The Project (Beverly Drive) ..................................................................... 2-9 2.5.3 Cañon Drive-Half Portal Alternative ...................................................... 2-11 2.5.4 Cañon Drive Staging Yard Alternative .................................................. 2-17 2.6 Construction Scenario ...................................................................................... 2-22 2.6.1 Site Establishment ................................................................................ 2-22 2.6.2 Laydown and Staging ........................................................................... 2-23 2.6.3 Utilities .................................................................................................. 2-25 2.6.4 Piling and Excavation ........................................................................... 2-26 2.6.5 Construction of the North Portal Entrance/Exit ..................................... 2-27 2.6.6 Connection to Existing Station .............................................................. 2-27 2.6.7 Architectural Finishes and Commissioning ........................................... 2-28 2.6.8 Haul Routes .......................................................................................... 2-28 2.6.9 Road Closures and Traffic Control ....................................................... 2-30 2.6.10 Work Hours ........................................................................................... 2-32 2.6.11 Construction Best Management Practices ............................................ 2-32 2.7 Activities to be Completed by Metro ................................................................. 2-33 2.7.1 Knockout Panel Connection ................................................................. 2-33 2.7.2 Identification and Removal of Existing Piles ......................................... 2-34 2.7.3 Wilshire/Rodeo Station Catwalk Walkway ............................................ 2-34 2.7.4 Changes to the UPE Room to Facilitate Entrance ................................ 2-34 2.7.5 Changes to Purple Line Section 2 Systems ......................................... 2-34 2.8 Intended Uses of This EIR ............................................................................... 2-34 2.9 Required Permits and Approvals ...................................................................... 2-35 2.10 Related Projects ............................................................................................... 2-35 Page i | Table of Contents August 2020 Westside Purple Line Rodeo Station North Portal EIR 3. ENVIRONMENTAL IMPACT ANALYSIS .............................................................................. 3-1 3.1 Aesthetics & Visual Quality.............................................................................. 3.1-1 3.1.1 Regulatory Setting ............................................................................... 3.1-1 3.1.2 Methodology and CEQA Thresholds ................................................... 3.1-3 3.1.3 Existing Conditions .............................................................................. 3.1-5 3.1.4 Impact Evaluation ................................................................................ 3.1-7 3.1.5 Mitigation Measures ........................................................................... 3.1-30 3.1.6 Impacts After Mitigation ..................................................................... 3.1-31 3.1.7 Cumulative Impacts ........................................................................... 3.1-31 3.2 Air Quality ........................................................................................................ 3.2-1 3.2.1 Regulatory Setting ............................................................................... 3.2-1 3.2.2 Methodology and CEQA Thresholds ................................................... 3.2-9 3.2.3 Existing Conditions ............................................................................ 3.2-15 3.2.4 Impact Evaluation .............................................................................. 3.2-17 3.2.5 Mitigation Measures ........................................................................... 3.2-28 3.2.6 Impacts after Mitigation...................................................................... 3.2-29 3.2.7 Cumulative Impacts ........................................................................... 3.2-29 3.3 Biological Resources ....................................................................................... 3.3-1 3.3.1 Regulatory Setting ............................................................................... 3.3-1 3.3.2 Methodology and CEQA Thresholds ................................................... 3.3-7 3.3.3 Existing Conditions .............................................................................. 3.3-8 3.3.4 Impact Evaluation .............................................................................. 3.3-11 3.3.5 Mitigation Measures ........................................................................... 3.3-17 3.3.6 Impacts after Mitigation...................................................................... 3.3-17 3.3.7 Cumulative Impacts ........................................................................... 3.3-17 3.4 Cultural Resources .......................................................................................... 3.4-1 3.4.1 Regulatory Setting ............................................................................... 3.4-1 3.4.2 Methodology and CEQA Thresholds ................................................... 3.4-5 3.4.3 Existing Conditions .............................................................................. 3.4-8 3.4.4 Impact Evaluation .............................................................................. 3.4-14 3.4.5 Mitigation Measures ........................................................................... 3.4-18 3.4.6 Impacts after Mitigation...................................................................... 3.4-19 3.4.7 Cumulative Impacts ........................................................................... 3.4-19 3.5 Energy ............................................................................................................. 3.5-1 3.5.1 Regulatory Setting ............................................................................... 3.5-1 3.5.2 Methodology and CEQA Thresholds ................................................... 3.5-4 3.5.3 Existing Conditions .............................................................................. 3.5-5
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