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c. The property owner must provide a copy of the building plan to the mayor and <br /> file with the city clerk within 30 days of completion of the plan prior to <br /> construction. <br /> d. Any additions, changes, or expansions of the Data Center must comply with the <br /> noise attenuation requirements of this Ordinance and must be designed and <br /> submitted to the mayor and filed with the city clerk within 30 days of completion <br /> of the report. <br /> 4. Post Completion Noise Study Requirements <br /> a. Upon the Data Center's completion,the Data Center operator must conduct a <br /> post-construction noise study performed by a third-party acoustic engineer to <br /> document noise levels emanating from the Data Center when mechanical <br /> equipment is running at full capacity, including all HVAC units and generators <br /> necessary for peak operation.Noise levels are to be measured at the property line <br /> in the original eight locations used during the baseline study. The Data Center <br /> operator must provide a copy of the report to the mayor and file with the city clerk <br /> within 30 days of completion of the study. <br /> b. The Data Center shall not begin operations until the completion of the post- <br /> construction noise study and submission to the mayor and city clerk as required <br /> above. In order for the Data Center to be in compliance,the noise study results <br /> must show that its operation is in compliance with this Ordinance. If the results <br /> show that the Data Center is not in compliance with this Ordinance, the Data <br /> Center will be unable to commence operation until the required noise attenuation <br /> measures and noise limitations are met. <br /> c. Furthermore,the Data Center operator must conduct annual noise studies under <br /> the baseline and post-construction studies specifications in accordance with <br /> subsections (a) and(b) above. The Data Center operator must provide the results <br /> to the mayor and file with the city clerk within 30 days after the anniversary date <br /> of the first sound study report. <br /> ARTICLE 4: Procedure for Measurement <br /> All tests shall be conducted according to the following procedures: <br /> 1. Complaint Driven: When the measurement is the result of a complaint, measurements <br /> will be taken at the property line of the receiving property. <br /> 2. Normal Monitoring: When the measurement procedure is in the normal course of <br /> monitoring sound, the measurements will be taken at the real property line of the source <br /> of the sound. <br /> 3. Outdoor Conditions: No outdoor measurements must be taken while winds exceed <br /> (including gusts) 15 miles per hour; under conditions that will allow the sound level <br /> 4 <br />