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6 - GPA19-01; AA19-01_651 W SUNFLOWER AVENUE
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6 - GPA19-01; AA19-01_651 W SUNFLOWER AVENUE
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<br />Legacy Sunflower Apartments Page 53 <br />Mitigated Negative Declaration – March 14, 2019 <br /> <br />VIII. GREENHOUSE GAS EMISSIONS: Would the project: <br /> <br />a) Generate greenhouse gas emissions, either directly or indirectly, that may have a significant <br />impact on the environment? Less Than Significant Impact. “Greenhouse gases” (so called because <br />of their role in trapping heat near the surface of the earth) emitted by human activity are implicated in <br />global climate change, commonly referred to as “global warming.” Greenhouse gases contribute to an <br />increase in the temperature of the earth’s atmosphere by transparency to short wavelength visible <br />sunlight, but near opacity to outgoing terrestrial long wavelength heat radiation in some parts of the <br />infrared spectrum. The principal greenhouse gases (GHGs) are carbon dioxide, methane, nitrous <br />oxide, ozone, and water vapor. For purposes of planning and regulation, section 15364.5 of the <br />California Code of Regulations defines GHGs to include carbon dioxide, methane, nitrous oxide, <br />hydrofluorocarbons, perfluorocarbons and sulfur hexafluoride. <br /> <br />Transportation is responsible for 41 percent of the State’s greenhouse gas emissions, followed by <br />electricity generation. Emissions of CO2 and nitrous oxide (NOx) are byproducts of fossil fuel <br />combustion. Methane, a potent greenhouse gas, results from off-gassing associated with agricultural <br />practices and landfills. Sinks of CO2, where CO2 is stored outside of the atmosphere, include uptake by <br />vegetation and dissolution into the ocean. <br /> <br />City of Santa Ana <br /> <br />The City of City of Santa Ana adopted the Santa Ana Climate Action Plan (CAP) in December 2015. <br />The CAP demonstrates the City’s commitment to improving quality of life by reducing carbon pollution <br />and energy use. As stated in the CAP, the City adopted emissions reduction goals of 15 percent below <br />the baseline year 2008 by 2020 and 30 percent below the baseline year 2008 by 2035 for community- <br />wide emissions. The CAP includes measures to reduce energy consumption, vehicle miles, water use <br />or waste; or to substitute renewable energy for fossil fuels. <br /> <br />Thresholds of Significance <br /> <br />Neither the City of Santa Ana, the SCAQMD, nor the State CEQA Guidelines Amendments has <br />adopted quantitative thresholds of significance for addressing a project’s GHG emissions. To <br />determine whether the GHG emissions of the project are significant, this analysis uses the SCAQMD <br />draft screening threshold of 3,000 MTCO2e per year for all land uses. <br /> <br />The project would be subject to the requirements of the California Green Building Code and 2016 Title <br />24 Building Energy Efficiency Standards to reduce project-related greenhouse gas emissions. <br /> <br />Methodology <br /> <br />The CalEEMod Version 2016.3.2 software model was used to calculate the GHG emissions from all <br />phases of the project for the year 2022, which is the scheduled date of project completion. The <br />project's emissions were compared to the tier 3 SCAQMD draft screening threshold of 3,000 metric <br />tons CO2e per year for all land uses. <br /> <br />Area Sources <br /> <br />Area sources include emissions from consumer products, landscape equipment and architectural <br />coatings. <br /> <br />6-75
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