2024-053 - Final Supplemental for The Related Bristol Specific Plan Project

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than significant with incorporation of mitigation (Draft Supplemental EIR at pp. 5.1-38 through 5.1- 39). Mitigation Measures: GPU FEIR MM AQ-1: Prior to discretionary approval by the City of Santa Ana for development projects subject to CEQA (California Environmental Quality Act) review (i.e., non-exempt projects), project applicants shall prepare and submit a technical assessment evaluating potential project construction -related air quality impacts to the City of Santa Ana for review and approval. The evaluation shall be prepared in conformance with South Coast Air Quality Management District (South Coast AQMD) methodology for assessing air quality impacts. If construction -related criteria air pollutants are determined to have the potential to exceed the South Coast AQMD's adopted thresholds of significance, the City of Santa Ana shall require that applicants for new development projects incorporate mitigation measures to reduce air pollutant emissions during construction activities. These identified measures shall be incorporated into all appropriate construction documents (e.g., construction management plans) submitted to the City and shall be verified by the City. Mitigation measures to reduce construction -related emissions could include, but are not limited to: • Require fugitive -dust control measures that exceed South Coast AQMD's Rule 403, such as: o Use of nontoxic soil stabilizers to reduce wind erosion. a Apply water every four hours to active soil -disturbing activities. o Tarp and/or maintain a minimum of 24 inches of freeboard on trucks hauling dirt, sand, soil, or other loose materials. • Use construction equipment rated by the United States Environmental Protection Agency as having Tier 3 (model year 2006 or newer) or Tier 4 (model year 2008 or newer) emission limits, applicable for engines between 50 and 750 horsepower. • Ensure that construction equipment is properly serviced and maintained to the manufacturer's standards. • Limit nonessential idling of construction equipment to no more than five consecutive minutes. • Limit onsite vehicle travel speeds on unpaved roads to 15 miles per hour. • Install wheel washers for all exiting trucks or wash off all trucks and equipment leaving the project area. Use Super -Compliant VOC paints for coating of architectural surfaces whenever possible. A list of Super- Compliant architectural coating manufactures can be found on the South Coast AQMD's website. Project Specific MM AQ-1: Construction Exhaust and Dust Control. Prior to issuance of Phase 1, Phase 2, and Phase 3 grading permits, the Project Applicant shall prepare and submit documentation to the City of Santa Ana Building and Safety Division that demonstrates the following: 0 Require fugitive -dust control measures that exceed SCAQMD Rule 403 requirements: