TABLE I
Maximum Permissible A-Weighted Sound Levels
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---|---|---|---|
No person shall cause, suffer, allow or permit the operation of any source of sound on any source property (listed in § 171-3A, Applicability, above) in such a manner as to create a sound level that equals or exceeds the sound levels listed below.
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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 a 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 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
|
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
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 § 171-3A, Applicability, 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 two dB in
the bands containing the principal source frequencies, discontinue
the measurements.
|
Receiving Property Category
|
Residential Property or Residential Portion
of Multiuse Property
|
Residential Property or Residential Portion
of Multiuse Property
|
Commercial Facility, Public Service Facility,
Nonresidential Portion of Multiuse Property, or Community Service
Facility
|
Commercial Facility*, or Nonresidential
Portion of Multiuse Property
| |||
Octave Band Center Fre- quency, Hz
|
Outdoors
Octave Band Sound Pressure Level, dB
|
Indoors
Octave Band Sound Pressure Level, dB
|
Outdoors
Octave Band Sound Pressure Level, dB
|
Indoors
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
| |
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.
|