# City of Conway Ordinance O-23-55 — data-center external-noise-attenuation (2023) **Tier 2 — primary public record.** The full recorded text of Conway Ordinance **O-23-55**, retrieved from the City's media archive and OCR'd (image-only scan; 7 pages). Recorded in the **Faulkner County Circuit Clerk's office, Doc. L202311503, on 2023-08-23**. - **Title:** "AN EMERGENCY ORDINANCE ADOPTING CERTAIN RULES AND REGULATIONS CONCERNING EXTERNAL NOISE ATTENUATION OF DATA CENTERS AND TO PREVENT NOISE DISTURBANCE IN THE CITY OF CONWAY; TO DECLARE AN EMERGENCY; AND FOR OTHER PURPOSES." - **Passed:** "**PASSED this 25th day of July, 2023**" — Mayor Bart Castleberry; attest Michael O. Garrett, City Clerk/Treasurer (emergency clause, Article 9, effective immediately on adoption). - **Scope (Art. 2):** "**Data Center**" defined to include "**facilities used for cryptocurrency mining**," housing networked computer systems plus batteries, back-up generators, HVAC and cooling systems. - **Noise limits (Art. 5):** "**65 dBa or higher during the hours of 8 A.M. to 10 P.M. or 55 dBa or higher during the hours of 10 P.M. to 8 A.M. measured at the property line of the receiving property**" constitutes a noise disturbance. - **Pre-construction requirements (Art. 3):** (1) **notice to all residents and HOAs within a half-mile radius** + the mayor, proof filed with the city clerk within 30 days; (2) a **baseline sound study by a third-party acoustic engineer** at the property line in **eight locations** (N/S/E/W/NE/NW/SE/SW) with mitigation recommendations; (3) a **noise-attenuation building plan** by a third-party architectural/design firm with fully-screened mechanical equipment. - **Post-completion (Art. 3.4):** a **post-construction noise study** at full capacity (all HVAC + generators); "**The Data Center shall not begin operations until the completion of the post-construction noise study**" showing compliance; plus **annual** noise studies thereafter. - **Penalties (Art. 7):** misdemeanor; **$1,000 per offense** (double for repetition); **$500/day** for a continuing violation; injunction available; "the data center shall cease operations" until in compliance. This is the operative noise-control mechanism Conway staff cite for [[Project Stratus]] (see [[Conway Data Center Noise Ordinance (O-23-55)]]).