§ 7-44. Noise zone standards.

(a)

No person shall emit or cause to be emitted sound exceeding the sound levels stated herein when measured at any point on a tract or parcel of land not under their ownership or control. The determination of allowable sound shall be in accordance with the following objective numerical standards for the respective noise zone classes:

	C	B	A-Day	A-Night
Class C Emitter to	70 dBA	66 dBA	61 dBA	51 dBA
Class B Emitter to	62 dBA	62 dBA	55 dBA	45 dBA
Class A Emitter to	62 dBA	55 dBA	55 dBA	45 dBA

 

Sound levels determined by the police department or planning and zoning administrator to be in excess of these values shall constitute proof of violation of this article.

(b)

It shall be a violation for any person to:

(1)

Use or operate any construction equipment singly or in combination with other equipment on any construction or demolition site if such use or operation results in the emission of noise, measured at any boundary of the nearest receptor in any noise zone in excess of the values listed below:

	Maximum Level of Sound**
Zone	L-50	L-10
A	70 dBA	80 dBA
B	75 dBA	85 dBA
C	80 dBA	90 dBA
** The minimum level shall not be exceeded for longer than six (6) minutes in any one-hour period.

 

(2)

Conduct a utility street work installation or repair, paving work or sewer cleaning which produces a sound level exceeding eighty (80) dBA at a distance of fifty (50) feet from the operation:

(c)

The provisions of subsections (b)(1) and (2) above shall not apply to those construction devises commonly referred to as "impact tools", including but not limited to grinders, pile drivers, paving breakers, jack hammers, rock drills or well drilling rigs, provided that such impact tools shall have intake and exhaust mufflers recommended by the manufacturer thereof, installed and working.

(d)

In addition to the above objective standards, no person shall emit noise exceeding an overall sound level of seventy (70) dB.

(e)

The chief of police and planning and zoning administrator shall be responsible for developing the measurement methodology to determine compliance with this article.

(Ord. No. 803, § 4, 1-11-07; Ord. No. 824, § 4, 4-12-07)