A. It shall be unlawful for any person to operate or permit the operation of any motor vehicle or combination of motor vehicles at any time or place when such operation exceeds the following noise sound pressure levels for the category of motor vehicle and for the designated time period as specified in table B of this section. The standards in table B of this section shall apply to all noise emitted from motor vehicles including any and all equipment thereon, under any condition of acceleration, deceleration, idle, grade or load and whether or not in motion.
TABLE B Maximum Allowable Noise Sound Pressure Levels For Motor Vehicles | |||
Type Of Vehicle | Time Period | Maximum Allowable Sound Pressure Level | Measurement Distance From Motor Vehicle |
Motor vehicle weighing less than 10,000 pounds, manufacturer's gross vehicle weight | At any time | 80 dBA | 25 feet |
Motor vehicle weighing more than 10,000 pounds, manufacturer's gross vehicle weight | 7:00 A.M. to 10:00 P.M. | 88 dBA | 25 feet |
Motor vehicle weighing more than 10,000 pounds, manufacturer's gross vehicle weight | 10:00 P.M. to 7:00 A.M. | 80 dBA | 25 feet |
B. Motor vehicles equipped with engine brakes shall not be permitted to employ the use of said brakes.
C. The provisions of this section shall not be construed as limiting or precluding the enforcement of any other provisions of this code relating to motor vehicle mufflers. (Ord. 2022-09, 7-12-2022)