Maximum sound levels.
During the times in the zoning
districts set forth below, activities that create a sound pressure
level on the complainant's bounding real property line that exceed
the maximum allowable sound level (dBA) are presumed to be public
nuisances:
Within or directly adjacent to a zoning district zoned (A) agricultural,
SFE single-family residential estate, SF16 single-family dwelling
district 16, SF10 single-family dwelling district 10, SF7 single-family
dwelling district 7, SFA single-family attached dwelling district,
2F two-family dwelling district, MF1 multi-family 1 dwelling district,
MF2 multi-family 2 dwelling district, MH manufactured housing dwelling
district, or MHP manufactured housing park district:
Daytime: 7:00 a.m. to 10:00 p.m. equal to or less than 70 dBA
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Nighttime: 10:00 p.m. to 7:00 a.m., equal to or less than 60
dBA
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All commercial zoning districts, including the NS neighborhood
service district, GR general retail district and C commercial district:
Daytime: 7:00 a.m. to 10:00 p.m. equal to or less than 80 dBA
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Nighttime: 10:00 p.m. to 7:00 a.m. equal to or less than 70
dBA
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The industrial zoning district:
Daytime: 7:00 a.m. to 10:00 p.m. equal to or less than 85 dBA
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Nighttime: 10:00 p.m. to 7:00 a.m. equal to or less than 75
dBA
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Site plan or planned development districts (SP or PD)
shall be analyzed to determine the majority percentage of land use
within that unique zoning district. The sound decibel levels applicable
to the base land use category that constitutes the largest percentage
of land area within that special district shall be the controlling
decibel limit.
In the Old Town (OT) overlay district the area zoned C.C. (central
commercial):
Sunday—Thursday
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Daytime: 7:00 a.m. to 10:00 p.m. = 80 dBA
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Nighttime: 10:00 p.m. to 7:00 a.m. = 70 dBA
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Friday—Saturday
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Daytime: 7:00 a.m. to 2:00 a.m. the following day = 85 dBA
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Nighttime and Sunday: 2:00 a.m. to 7:00 a.m. = 70 dBA
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All zoning where ambient noise level exceeds the prescribed
maximum level:
7:00 a.m. to 10:00 p.m. = Existing Ambient (dBA) + 3 dBA
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10:00 p.m. to 7:00 a.m. = Existing Ambient (dBA)
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