(a) In addition to all other standards provided for in this chapter, no person shall make, continue or cause to make any unnecessary, excessive or offensive noises or sounds which are above the prevailing background sound level during the hours from sunset to 8:00 a.m. from the following sources:
(1) Loudspeakers.
(2) The operation or use of any motorized vehicle or equipment in a manner inconsistent with its normal operation.
(3) Off-road vehicles, and construction equipment (except in an emergency).
(4) Excessive industrial noise as provided for in this chapter.
(5) The operation of a musical instrument or sound producing equipment from vehicles or structures louder than required for the comfortable listening by the inhabitants of such vehicle or structure or in such a manner as to disturb the peace and comfort of the neighboring inhabitants.
(6) Barking, howling or other audible sounds by animals harbored by any resident in a continuous or repetitious manner.
(7) Any activity that results in noise or sounds that may jeopardize the health, safety or welfare of the citizens of Richfield or results in the denial of the peaceful use of their property, or detracts from the quality of life enjoyed by its citizens.
(b) The following are excepted from this section:
(1) Audible warning devices on emergency vehicles when responding to situations in an emergency mode in conjunction with the use of emergency warning lights;
(2) Building and vehicle alarms unless there is a history of recurrent false activation of such devices;
(3) Construction equipment involved in emergency repair or stabilization of a structure of facility after the accidental damage or failure of such structure or facility with the consent of the Mayor or his designee;
(4) Any event sponsored for the enjoyment of the community at large; and
(5) Warning devices, such as horns, whistles, etc., when used to warn of a potentially dangerous and/or hazardous condition but only for the duration of the condition.
(c) Whoever violates this section is guilty of a minor misdemeanor and shall be subject to the penalty provided in Section 501.99.
(Ord. 52-1997. Passed 9-16-97.)