“A-weighted scale” means the total sound level of all noise as measured with a sound level meter using the A-weighting network. The unit is the dB(A).

“Commercial area” means an area located within a commercial zoning district (CO), lodging district (L), mixed-use office district (M2), mixed-use activity center district (M3), or community facilities district (CF) pursuant to the city Land Development Code or public right-of-way.

“Community noise standards” means the noise standards set forth in SCC 8.25.030(C).

“Decibel (dB)” means a sound pressure that is 20 times the logarithm to the base 10 of the ratio of the pressure of the sound measured to the reference pressure, two times 10^-5 newton/meter².

“Emergency work” means any work performed to prevent or alleviate physical trauma or property damage threatened or caused by an emergency which has resulted or may result in a disruption of service and which is necessary to restore property to a safe condition following a public calamity or work required to protect the health, safety or welfare of persons or property or work by private or public utilities when restoring utility service.

“Frequency” of a function periodic in time shall mean the reciprocal of the primitive period. The unit is the hertz and shall be specified.

“Impulse noise” means a noise of short duration, usually less than one second, with an abrupt onset and rapid decay.

“Industrial area” means an area located within a light industrial zoning district (IN) pursuant to the city Land Development Code.

“Motor vehicles” means any self-propelled device in, upon, or by which any person or property is, or may be, transported within the city, including, but not limited to, licensed or unlicensed vehicles, automobiles, off-highway vehicles, minibikes, go-carts, motorized skateboards, and motorcycles.

“Nonresidential area” shall include any area located within a commercial area, industrial area or other area not zoned as a single-family residential zoning district or multifamily residential zoning district pursuant to the city Land Development Code.

“Period” of a periodic quantity shall mean the smallest increment of time for which the function repeats itself.

“Periodic quantity” means oscillating quantity, the values of which recur for equal increments of time.

“Person” means an individual, firm, association, partnership, joint venture or corporation. For the purpose of SCC 8.25.060, person shall also include an owner of property, tenant, lessee, manager, agent, or other person entitled to lawfully possess (or who claims lawful possession of) such property at the time of the offense.

“Pure tone noise” means any noise that is distinctly audible as a single pitch (frequency) or set of pitches as determined by the enforcement officer.

“Residential area” means an area located within a single-family residential or multifamily residential zoning district pursuant to the city Land Development Code.

“Sound level meter” means an instrument including a microphone, an amplifier, an output meter, and frequency weighting networks used to measure sound levels which satisfies the pertinent requirements in American National Standard Specifications for Sound Level Meters S1.4-1983 or the most recent revision thereof.

“Sound level (noise level)” in decibels (dB) is the sound measured with the A-weighting and slow response by a sound level meter. [Ord. 2021-08 § 1, 11-9-2021; Res. 2021-28 Exh. A, 11-9-2021].