North Vancouver By-law 8885, s. 3.1(a) — Noise Control Bylaw, 2021
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a +5 Decibel correction if the sound under consideration is Tonal Sound (i.e., contains one or more pure tone components);
- (b) in order for the tonality correction to apply if measurement is required to determine the presence of tonality, the level in the one-third octave band contains the tone, or the arithmetic average of the levels in a pair of bands containing the tone, must exceed the arithmetic average of the two adjacent bands:
- (i) by 3 Decibel or more for tones in the 500 Hz. To 16 kHz. bands,
- (ii) by 5 Decibel or more for tones in the 160 Hz. to 400 Hz. bands, and,
- (iii) by 10 Decibel or more for tones in the 31.5 Hz.to 125 Hz. bands.
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Related sections
- 3.4 Correction Factors for Sound Levels For all purposes under this Bylaw, when assessing a Sound relative to the limits set out in
- 3.1 , 3.2 and 3.3, the following correction factors must be applied to the measured The Corporation of the City of North Vancouver Page 5 Bylaw No. 8885 CONSOLIDATED equivalent Sound Level whenever the Sound has, as a defining characteristic, a Tonal Sound
- 3.5 Non-Continuous Sound Levels A Person may make, cause or permit to be made, Non-continuous Sound with a Sound Level during the Daytime of 80 Decibels or less, and during the Nighttime 75 Decibels or less when received at the Point of Reception in the Municipality
- 3.6 Vehicle Sound Levels Notwithstanding the provisions of Section 3.1, 3.2, 3.3 and 3.5 hereof, a Person may make, cause or permit to be made, a Sound by a Vehicle while on the Highway not in excess of the Sound Levels in the following table
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