5-1-3-2: DEFINITIONS:
The following words, terms and phrases, when used in this section 5-1-3, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
A-WEIGHTING: The electronic filtering in sound level meters that models human hearing frequency sensitivity.
C-WEIGHTING: The electronic filtering in sound level meters that models a flat response (output equals input) over the range of maximum human hearing frequency sensitivity.
COMMERCIAL PROPERTY: Any premises, property, or facility involving traffic in goods or furnishing of services for sale or profit.
COMPRESSION RELEASE ENGINE BRAKING DEVICE (Commonly Referred To As JACOBS BRAKES): A device used primarily on trucks for the conversion of the engine from an internal combustion engine to an air compressor for the purpose of braking without the use of wheel brakes.
CONSTRUCTION: Any site preparation, assembly, erection, repair, alteration or similar action, or demolition of buildings or structures.
dBA: An A-weighted unit of sound level.
dBC: A C-weighted unit of sound level.
DAYTIME HOURS: The hours between six o'clock (6:00) A.M. and ten o'clock (10:00) P.M. on Sunday through Saturday.
DECIBEL (dB): The unit of measurement for a sound pressure level and is equal to ten (10) times the common logarithm of the ratio of two (2) like quantities (see "sound pressure level").
EMERGENCY WORK: Any work or action necessary to deliver essential services including, but not limited to, repairing water, gas, electric, telephone, sewer facilities, or public transportation facilities, removing fallen trees on public rights of way, or abating life threatening conditions.
INDUSTRIAL FACILITY OR PROPERTY: Any activity and its related premises, property, facilities, or equipment involving the fabrication, manufacture, or production of durable or nondurable goods. A property's zoning does not have to be industrial as defined under city zoning ordinances for a facility or property to be considered an industrial facility or property for purposes of this section 5-1-3.
LASeq: An A-weighted unit of sound level averaged over a set time.
LCSeq: A C-weighted unit of sound level averaged over a set time.
MAXIMUM SOUND LEVEL (Lmax): The maximum root mean square sound level measured or not to be exceeded by time varying sounds.
MOTOR VEHICLE: Any vehicle that is propelled or drawn on land by an engine or motor.
MUFFLER: A sound dissipative device or system for lessening the sound of the exhaust of an internal combustion engine.
MULTI-DWELLING UNIT BUILDING: Any building wherein there are two (2) or more dwelling units.
MUNICIPALITY: The city of Mesquite, Nevada.
NIGHTTIME HOURS: The hours between ten o'clock (10:00) P.M. and six o'clock (6:00) A.M. of the following day on Sunday through Saturday.
NOISE: Any sound of such level and duration as to be or tend to be injurious to human health or welfare, or which would unreasonably interfere with the enjoyment of life or property throughout the city or in any portions thereof, but excludes all aspects of the employer-employee relationship concerning health and safety hazard within the confines of a place of employment.
NOISE CONTROL ADMINISTRATOR (NCA): The individual designated by the chief of police as the official liaison with all municipal departments, who is charged with the administration of this section 5-1-3, maintaining records showing that noise control officers are properly trained and maintaining records of the SLMs, and who shall be empowered to grant permits for temporary variances. The NCA shall not be permitted to issue citations under this section 5-1-3.
NOISE CONTROL OFFICER (NCO): Any police officer or officially designated employee of the municipality who has received training required by this section 5-1-3 for the measurement of sound and is authorized to issue a citation for violations of this section 5-1-3 based on readings taken with an SLM.
NOISE DISTURBANCE: Any sound, that due to the sound exceeding the limits set forth in this section 5-1-3, endangers the health, safety or welfare of any person, and therefore is detrimental to the peaceful enjoyment of private property and the use and enjoyment of public spaces including public rights of way.
NOISE SOURCE: The point of origin of any noise.
PERSON: Any individual, corporation, company, association, society, firm, partnership, joint stock company, or the municipality.
PLAINLY AUDIBLE: Any sound produced by a noise source, which can be heard by any person at prescribed distances. Measurement standards shall be the auditory senses. Words or phrases need not be discernible and low frequency sound reverberations are included.
PUBLIC PROPERTY: Any real property or structures thereon that is owned, leased, or controlled by a governmental entity.
PUBLIC RIGHT OF WAY: Any street, avenue, boulevard, road, highway, sidewalk, or alley that is leased, owned, or controlled by a governmental entity.
PURE TONE: A sound dominated by energy in a single frequency.
REAL PROPERTY LINE: The imaginary line, including vertical extension, that separates one parcel of real property from another.
RESIDENTIAL PROPERTY: Property used for human habitation, including, but not limited to: a) private property used for human habitation; b) commercial living accommodations and commercial property used for human habitation including mixed use properties; and c) recreational and entertainment property used for human habitation.
SOUND AMPLIFICATION DEVICE: Any radio, tape player, compact disk player, loudspeaker or other electronic or digital device used for the amplification of the human voice, music or other sounds.
SOUND LEVEL (Per American Society For Testing And Materials [ASTM] C 634): A sound pressure level obtained using a signal to which standard weighting has been applied.
SOUND LEVEL METER (SLM): An instrument used to measure sound pressure levels. (Ord. 469, 2-12-2013, eff. 3-8-2013)