Item 22 - Public Hearing Regarding Bristol Project

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Related Bristol Mixed -Use Project CEQA Findings of Fact • During the entire active construction period and to the extent feasible, the use of noise - producing signals, including horns, whistles, alarms, and bells, shall be for safety warning purposes only. The construction manager shall use smart back-up alarms, which automatically adjust the alarm level based on the background noise level, or switch off back-up alarms and replace with human spotters in compliance with all safety requirements and laws. • Erect temporary noise barriers (at least as high as the exhaust of equipment and breaking line -of -sight between noise sources and sensitive receptors), as necessary and feasible, to maintain construction noise levels at or below the performance standard of 80 dBA Leq. Barriers shall be constructed with a solid material that has a density of at least 4 pounds per square foot with no gaps from the ground to the top of the barrier. Mitigation Measure N0I-1: Prior to the issuance of construction/grading permits, the Project Applicant shall obtain a permit from the City's Building and Safety Division to complete work outside the standard construction hours outlined in Santa Ana Municipal Code Section 18-314(e). In addition, the Project Applicant and/or contractor(s) shall develop a nighttime construction noise control plan that requires the following: Stationary equipment such as generators and air compressors shall adhere to the following: • Stationary equipment (e.g., generators, air compressors, etc.) shall be located 300 feet or more away from residences. • Stationary equipment shall be surrounded with noise barriers to achieve a minimum 10 dBA reduction. Alternatively, a temporary noise barrier may be used along the property line. Mobile equipment such as concrete mixer trucks, pump trucks shall adhere to the following: • The nighttime noise control plan shall prohibit mobile equipment and trucks from operating within the following distances to offsite sensitive receptors: ■ Phase 1: Trucks and equipment shall be 140 feet or more away from the Versailles residences along Plaza Drive. ■ Phase 2: No minimum distance required (Phase 2 is 410 feet from sensitive receptors and would not exceed thresholds). ■ Phase 3: Trucks and equipment shall be 150 feet or more away from the Versailles residences along Plaza Drive. • The nighttime noise control plan shall prohibit mobile equipment and trucks from operating within the following distances to onsite sensitive receptors: ■ Phase 1: No minimum distance is required because no onsite receptors would be constructed prior to Phase 1. ■ Phase 2: Trucks and equipment shall be 150 feet or more away from Phase 1 onsite residences. City of Santa Ana 70 CEQA Findings of Fact September 2024