Notwithstanding Section 9.12.090, the following exceptions from this article are permitted when conditions are met:
A. Sounds caused by organized athletic or other group activities, when such activities are conducted on property generally used for such purposes, including stadiums, parks, schools, churches, athletic fields, race tracks, airports and waterways; provided, however, that this exception shall not impair the council’s power to declare such event or activities otherwise to violate other laws, ordinances or regulations;
B. Sound caused by emergency work, or by the ordinary and accepted use of emergency equipment, vehicles and apparatus, whether or not such work is performed by a public or private agency, upon public or private property;
C. Sounds caused by sources regulated as to sound production by federal law, including, but not limited to, sounds caused by railroad, aircraft or commercially licensed watercraft operations;
D. Sound caused by bona fide use of emergency warning devices and alarm systems;
E. Sounds caused by industrial, agricultural or construction activities during normal operations. (Prior code § 5.420)