Weehawken Township City Zoning Code
§ 23-8.2
Noise.
[Ord. No. 2-1979, § 17-8.1]
a.
General. No noise shall be conveyed across lot lines so as to interfere unreasonably with the comfortable enjoyment of life and property anywhere in the Township. All provisions of the State of New Jersey's "Noise Control Act of 1971" as amended and augmented and the following provisions stated, whichever shall be more stringent, shall be complied with. Conformance with said provisions shall not be deemed conclusive proof of the nonexistence of either a nuisance or the more subjective state of annoyance.
b.
The sound pressure levels emanating from any source of acoustic noise, excepting those sources enumerated in paragraph c of this regulation, shall not exceed, at any time, the maximum values of Table 1 as modified by Table 1a when measured in the designated octave bands and in accordance with the referenced American National Standards, at any point on the lot line of the lot containing the noise source, or at 100 feet from the noise source, whichever shall be less.
Table 1 | |
|---|---|
Octave Bank Center Frequency, Hz | Maximum S.P.L. (db) (rms) ref. 20 micro N/M2 |
35.1 | 79 |
63. | 78 |
125. | 72 |
250. | 64 |
500. | 58 |
1000. | 52 |
2000. | 46 |
4000. | 41 |
8000. | 39 |
Note: For monitoring purposes only the (A) weighted level is 62 db(A). |
Table 1a Adjustment Factors | |
|---|---|
Condition | Required Adjustment in Decibels |
On a site adjacent to or across the street from any residence zone boundary. | Minus 5 |
Operation between the hours of 10:00 p.m. and 7:00 a.m. | Minus 5 |
Sound of impulsive character (e.g. hammering). | Minus 5 |
Sound of periodic character (e.g. hum or screech). | Minus 5 |
Sound produced less than 5 minutes in any 1 hour period. | Plus 5* |
Sound produced less than 1 minute in any 1 hour period. | Plus 10* |
* | Apply only one of these adjustments. All other adjustments, including either of the starred adjustments, are cumulative. |
c.
The sound pressure levels emanating from any engine powered mobile vehicular equipment not suitable for enclosure in a permanent structure shall not exceed the maximum A weighted levels specified in the Society of Automotive Engineers (S.A.E.) Standard J 952 b as shown in Table 2 below, or subsequent revisions thereof. The instrumentation and procedure for the test of Standard J 952 b shall apply. The use of the engine powered equipment shall not be permitted between the hours of 10:00 p.m. and 7:00 a.m. All other engine powered equipment shall comply with the regulations of paragraph b.
Table 2 | |
|---|---|
Type of Equipment | Maximum Sound Level dbA at 50 feet (A-Weighting Network) |
Construction and industrial machinery encompassing only mobile equipment, powered by internal combustion engines, such as crawler tractors, dozers, loaders, power shovels, and cranes, motor graders, paving machines, off-highway trucks, ditchers, trenchers, compactors, scrapers and wagons. | 88 |
Engine powered equipment of 5 hp or less intended for use in residential areas at frequent intervals. Typical pieces of such equipment are lawn mowers, small garden tools, riding tractors, and snow removal equipment. This specifically excludes commercial equipment not intended for frequent use in residential areas. | 70 |
Engine powered equipment exceeding 5 hp but not greater than 20 hp intended for use in residential areas at frequent intervals. Typical pieces of such equipment are lawn mowers, small garden tools, riding tractors, and snow removal equipment. This specifically excludes commercial equipment not intended for use in residential areas. | 78 |
Engine powered commercial equipment of 20 hp or less intended for infrequent use in a residential area. | 88 |
Farm and light industrial tractors. | 88 |
d.
The following American National Standards or subsequent revisions available from A.N.S.I., Inc. - 1430 Broadway, N.Y., N.Y., shall apply for paragraphs b and c.
Title | Standard No. |
|---|---|
Acoustic Terminology | S 1.1 - 1960 (Rev. 1971) |
Physical Measurement of Sound | S 1.2 - 1962 (Rev. 1971) |
Sound Level Meters | S1.4 - 1971 |
Octave, Half Octave - Filter Sets | S 1.11 - 1966 (Rev. 1971) |
Methods for Measurement of Sound Pressure Levels | S 1.13 - 1971 |