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a. The property owner and operator must notify all residents within a half -mile <br />radius of the parcel, including any affiliated homeowners' association operating <br />within the half -mile radius, that the property owner and operator intends to build <br />and operate a Data Center on the property. The notice required in this section <br />must be mailed to all postal addresses and homeowners' association addresses <br />contained within a half -mile radius extending from the property line where the <br />proposed Data Center will be built. Proof of notification shall be filed with the <br />city clerk's office within 30 days of providing notice. The property owner and <br />operator must notify the mayor that the property owner and operator intends to <br />build and operate a Data Center. The notification must include the location for the <br />proposed data center. <br />2. Noise Study Requirements <br />a. The property owner of the lands upon which the Data Center is to be located shall <br />conduct a sound study performed by a third -party acoustic engineer to document <br />baseline sound levels in the area of the proposed Data Center, including noise <br />levels measured at the property line in eight locations (north, south, east, west, <br />northeast, northwest, southeast, southwest.) The report of the study must include <br />sound mitigation recommendations based on the results of the sound study. The <br />property owner must provide a copy of the report of the study to the mayor and <br />file with the city clerk within 30 days of completion of the report. <br />3. Noise Attenuation Plan Requirements <br />a. The property owner must consult with a third- party architectural or design firm to <br />develop a building plan that includes necessary noise attenuation measures in <br />order to prevent the external sound level emanating from the Data Center from <br />exceeding the sound level limitations below which will be considered a noise <br />disturbance. The building plan is not required to adopt any or all of the noise <br />attenuation recommendations so long as the plan includes noise attenuation <br />measures that the architectural or design firm deems adequate to be in compliance <br />with this Ordinance. Noise attenuation measures may include but not limited to: <br />i. Soundproofing walls, screens, panels, fences, or enclosures <br />ii. Buffer yards <br />iii. Other noise attenuation measures recommended by the third -party acoustic <br />engineer <br />b. Mechanical equipment must be shown on any proposed plan and must be fully <br />screened on all sides. Mechanical equipment not screened by a facade of the <br />building must be screened by a visually solid fence, screen wall or panel, or <br />parapet wall and constructed with a design, materials, details, and treatment <br />compatible with those used on the nearest facade of the building. <br />3 <br />