NYC Noise Code §24-220 limits construction equipment to 80 dB(A) at 50 ft (75 dB(A) near residences). Permanent/emergency generators must meet §24-227 and §24-232. Construction sites need a Noise Mitigation Plan per 15 RCNY Ch. 28.
Generator and construction equipment noise in Brooklyn is regulated under several Noise Code sections. Construction equipment (§24-220): limits vary by device, but general limit is 80 dB(A) measured 50 ft from the source, reduced to 75 dB(A) on sites within 200 ft of residences. All NYC construction sites must maintain a Construction Noise Mitigation Plan filed under 15 RCNY Chapter 28. Permanent emergency generators and commercial generators must meet the circulation device limits under §24-227 (42 dB(A) in neighboring dwellings) and motor-vehicle standards under §24-232. Film and event generators need a DEP Noise Variance for after-hours operation. Idling non-emergency generators violate §24-163 (3-minute idle limit where applicable). NYC's Clean Air Tractor program and Local Law 97 push toward low-emission, quieter electric generators.
Exceeding construction limits: $875–$17,500 per DEP summons. Missing noise mitigation plan: $8,000. Generator idling violation: $350.
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