Any noise which measures ninety (90) decibels: (i) at the property line of private property or farther, or (ii) fifteen (15) feet or farther from any vehicle or other machine, person, animal or thing making a noise if located on public ways, public property or airspace, shall, during the hours between 7:00 a.m. and 10:30 p.m. each day, be presumed to cause material distress, discomfort or injury to persons of ordinary sensibilities.
(2000 Code, sec. 16-44)