(A) No person shall operate the engine providing motive power, or an auxiliary engine, of a motor vehicle with a manufacturer's gross vehicle weight rating of 10,000 pounds or more for a consecutive period longer than 20 minutes while such vehicle is standing and located within 150 feet of property zoned and used for residential purposes except where such vehicle is standing within a completely enclosed structure. This section shall not apply to delivery or pickup vehicles that require the operation of the engine to unload or load their vending loads.
(B) It shall be unlawful for any person to operate or for the owner to cause or permit to be operated within the public right-of-way in this city, any motor vehicle which emits a noise in excess of the dBA level established in this section.
(1) The maximum allowable noise levels for motor vehicles shall be 75 dBA measured at a distance of 25 feet.
(2) This section applies to the total noise from a motor vehicle and shall not be construed as limiting or precluding the enforcement of any other provisions of this chapter.
(3) No person shall modify the exhaust system of a motor vehicle or any other noise abatement devise of a motor vehicle or operate any such vehicle or devise in this city in a manner that the noise emitted by the motor vehicle is above that emitted by the vehicles as originally manufactured. Muffler cutouts, bypasses, or other devices which increase sound emitted shall be unlawful.
(4) The sound shall be measured on a sound level meter of standard design and quality operated on the "A" slow response weighting scale.
(Ord. 14999, passed 7-13-2020)