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Tapestry Project Tapestry Project Greenhouse Gas Emissions Technical Report November 2014 Prepared for: Prepared by: Hesperia Venture 1, LLC HELIX Environmental Planning, Inc. 10410 Roberts Road 7578 El Cajon Boulevard, Suite 200 Calimesa, CA 92320 La Mesa, CA 91942 TAPESTRY PROJECT GREENHOUSE GAS EMISSIONS TECHNICAL REPORT Prepared for: Hesperia Venture 1, LLC 10410 Roberts Road Calimesa, CA 92320 Prepared by: HELIX Environmental Planning, Inc. 7578 El Cajon Boulevard, Suite 200 La Mesa, CA 91942 November 2014 INFORMATION FOR THE READER Subsequent to preparation of this technical study for the Tapestry Specific Plan, there have been changes to the Project description that have resulted in a reduction of the number of units proposed. The northern portions of the Specific Plan area within Phase 1 were relotted to increase the minimum density, changing the overall number of units proposed from 19,398 to 19,311. The reduction in units would not result in a new or increased significant effect on the environment relative to the analysis contained in this technical study, nor would it change the conclusions with regard to the level of significance of impacts. Therefore, the original analysis of 19,398 units is considered a conservative analysis and has not been updated to reflect the current Project description which proposes a reduction to 19,311 units. TABLE OF CONTENTS Section Title Page ES EXECUTIVE SUMMARY ...............................................................................ES-1 1.0 INTRODUCTION ...................................................................................................1 1.1 Purpose of Report ........................................................................................1 1.2 Site Location and Setting .............................................................................1 1.3 Background Information ..............................................................................1 1.4 Proposed Project Development ....................................................................2 1.4.1 Specific Plan ....................................................................................2 1.4.2 Phase 1 .............................................................................................2 1.5 Project Design Features ...............................................................................3 1.6 Specific Plan Phasing ...................................................................................5 2.0 EXISTING CONDITIONS ......................................................................................5 2.1 Mojave Desert Air Basin .............................................................................5 2.2 Climate and Meteorology ............................................................................6 2.3 Greenhouse Gases ........................................................................................6 2.3.1 Climate Change Overview ...............................................................6 2.3.2 Types of Greenhouse Gases .............................................................7 2.3.3 Existing Greenhouse Gas Emissions ...............................................8 2.4 Regulatory Background ...............................................................................9 2.4.1 Federal Regulations .........................................................................9 2.4.2 State Regulations ...........................................................................10 2.4.3 Mojave Desert Air Quality Management District Regulations ......13 2.4.4 City of Hesperia Regulations .........................................................13 3.0 SIGNIFICANCE THRESHOLDS AND METHODOLOGY ...............................14 3.1 Significance Thresholds .............................................................................14 3.2 Methodology and Assumptions .................................................................15 3.2.1 Construction GHG Emissions ........................................................15 3.2.2 Operational GHG Emissions ..........................................................18 4.0 IMPACT ANALYSIS ............................................................................................19 4.1 Emissions of Greenhouse Gases ................................................................19 4.1.1 Phase 1 ...........................................................................................20 4.1.2 Specific Plan ..................................................................................22 4.2 Consistency with Local Plans Adopted for the Purpose of Reducing Greenhouse Gas Emissions ........................................................................25 4.2.1 City of Hesperia Climate Action Plan ...........................................25 4.2.2 City of Hesperia General Plan .......................................................26 i TABLE OF CONTENTS (cont.) Section Title Page 5.0 CUMULATIVE IMPACTS ...................................................................................28 6.0 MITIGATION MEASURES .................................................................................28 7.0 CONCLUSION ......................................................................................................28 8.0 REFERENCES ......................................................................................................29 9.0 LIST OF PREPARERS..........................................................................................31 LIST OF APPENDICES A CalEEMod Emission Calculations LIST OF FIGURES No. Title Follows Page 1 Regional Location Map ........................................................................................................2 2 Project Location Map ...........................................................................................................2 3 Proposed Land Uses and Phasing ........................................................................................6 ii TABLE OF CONTENTS (cont.) LIST OF TABLES No. Title Page 2-1 City of Hesperia Greenhouse Gas Emissions Inventory ......................................................9 3-1 Equipment List Assumed for Phase 1 Construction ..........................................................16 3-2 Acreages per Specific Plan Phase ......................................................................................17 4-1 Worst-case Daily Construction Emissions – Winter and Summer ....................................20 4-2 Annual Construction Emissions .........................................................................................20 4-3 Phase 1 Annual Operational GHG Emissions with Statewide Reductions........................21 4-4 Phase 1 Annual Operational GHG Emissions with Project Design Features ....................21 4-5 Phase 1 Annual Operational GHG Percent Reduction with Project Design Features .......22 4-6 Worst-case Daily Construction Emissions – Winter and Summer ....................................23 4-7 2017 Construction GHG Emissions ...................................................................................23 4-8 Specific Plan Annual Operational GHG Emissions with Statewide Reductions ...............24 4-9 Specific Plan Annual Operational GHG Emissions with Design Features ........................24 4-10 Specific Plan Annual Operational GHG Percent Reduction with Project Design Features ..................................................................................................................25 4-11 City of Hesperia Climate Action Plan Implementation Strategies ....................................25 4-12 Project Consistency with Applicable General Plan Measures ...........................................26 iii LIST OF ACRONYMS AND ABBREVIATIONS AB Assembly Bill AEP Association of Environmental Professionals ANFO ammonium nitrate/fuel oil BAU business as usual CAA Clean Air Act CAFE corporate average fuel economy CalEPA California Environmental Protection Agency CalEEMod California Emission Estimator Model CalGreen California Green Building Standards Code CAP Climate Action Plan CARB California Air Resources Board CAT Climate Action Team CBC California Building Code CCA Clean Air Act CCAT California Climate Action Team CEC California Energy Commission CEQA California Environmental Quality Act CH4 methane City City of Hesperia CO carbon monoxide CO2 carbon dioxide CO2e carbon dioxide equivalent County San Bernardino County DPF diesel particulate filter du dwelling units EIR Environmental Impact Report EO Executive Order F Fahrenheit FHWA Federal Highway Administration GHG greenhouse gas GWPs Global Warming Potentials HFCs hydrofluorocarbons HVAC heating, ventilation, and air conditioning IPCC Intergovernmental Panel on Climate Change iv LIST OF ACRONYMS AND ABBREVIATIONS (cont.) lb pounds lb/day pounds per day LCFS Low Carbon Fuel Standard LEED Leadership in Energy and Environmental Design MDAB Mojave Desert Air Basin MDAQMD Mojave Desert Air Quality Management District MMT million metric tons MMTCO2e million metric tons of CO2 equivalent mpg miles per gallon mph miles per hour MPOs Metropolitan Planning Organizations MTCO2e metric tons of CO2 equivalent MT/yr metric tons per year N2O nitrous oxide NHTSA National Highway Traffic Safety Administration NOX oxides of nitrogen Panel United Nations Intergovernmental Panel on Climate Change PFCs perfluorocarbons ppm parts per million RTP Regional Transportation Plan SANBAG San Bernardino Association of Governments SB Senate Bill SCS Sustainable
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