Table I | ||||
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Maximum Permissible A-weighted Sound Levels | ||||
No person shall cause, suffer, allow, or permit the operation of any source of sound on any source property listed in § 147-3A above in such a manner as to create a sound level that equals or exceeds the sound levels listed below. | ||||
A. | Outdoors. | |||
Receiving Property Category | Residential Property or Residential Portion of a Multiuse Property | Commercial Facility, Public Service Facility, Nonresidential Portion of a Multiuse Property, or Community Service Facility | ||
Time | 7:00 a.m.-10:00 p.m. | 10:00 p.m.-7:00 a.m. | 24 hours | |
Maximum A-weighted Sound Level Standard, dB | 65 | 50 | 65 | |
B. | Indoors. | |||
Receiving Property Category | Residential Property or Residential Portion of a Multiuse Property | Commercial Facility* or Nonresidential Portion of a Multiuse Property | ||
Time | 7:00 a.m.-10:00 p.m. | 10:00 p.m.-7:00 a.m. | 24 hours | |
Maximum A-weighted Sound Level Standard, dB | 55 | 40 | 55 |
*In those instances when a commercial facility shares a common wall/ceiling/floor with another commercial facility that is producing the sound. |
Table II | |||||||
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Maximum Permissible Octave Band Sound Pressure Levels in Decibels | |||||||
A. | No person shall cause, suffer, allow, or permit the operation of any source of sound on any source property listed in § 147-3A above in such a manner as to create a sound pressure level that equals or exceeds the sound levels listed below in one or more octave bands. | ||||||
B. | When octave measurements are made, the sound from the source must be constant in level and character. If octave band sound pressure level variations exceed plus or minus 2 dB in the bands containing the principal source frequencies, discontinue the measurement. | ||||||
Receiving Property Category | Residential Property or Residential Portion of a Multiuse Property | Residential Property or Residential Portion of a Multiuse Property | Commercial Facility, Public Service Facility, Nonresidential Portion of a Multiuse Property, or Community Service Facility | Commercial facility* or Nonresidential Portion of a Multiuse Property | |||
OUTDOORS | INDOORS | OUTDOORS | INDOORS | ||||
Octave Band Center Frequency, Hz. | Octave Band Sound Pressure Level, dB | Octave Band Sound Pressure Level, dB | Octave Band Sound Pressure Level, dB | Octave Band Sound Pressure Level, dB | |||
Time | 7:00 a.m.-10:00 p.m. | 10:00 p.m.-7:00 a.m. | 7:00 a.m.-10:00 p.m. | 10:00 p.m.-7:00 a.m. | 24 hours | 24 hours | |
31.5 | 96 | 86 | 86 | 76 | 96 | 86 | |
63 | 82 | 71 | 72 | 61 | 82 | 72 | |
125 | 74 | 61 | 64 | 51 | 74 | 64 | |
250 | 67 | 53 | 57 | 43 | 67 | 57 | |
500 | 63 | 48 | 53 | 38 | 63 | 53 | |
1,000 | 60 | 45 | 50 | 35 | 60 | 50 | |
2.000 | 57 | 42 | 47 | 32 | 57 | 47 | |
4,000 | 55 | 40 | 45 | 30 | 55 | 45 | |
8,000 | 53 | 38 | 43 | 28 | 53 | 43 |
*In those instances when a commercial facility shares a common wall/ceiling/floor with another commercial facility that is producing the sound. |
TABLE III Maximum Permissible Increase in Total Sound Levels Within a Residential Property | |
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Weeknights, 10:00 p.m. to 7:00 a.m. Weekend Nights, 11:00 p.m. to 9:00 a.m. | All other items |
3 dB(C) | 6 dB(C) |