Orange County NC Website
Browse       Search
A RESOLUTION AND ORDINANCE TO PROVIDE FOR THE <br /> CONTROL OF NOISE IN ORANGE COUNTY <br /> Pursuant to the authority provided in N.C. Gen. Stat. Section <br /> 153A-121 , 153023 and 153A-I33, the Board of Commissioners of Orange County <br /> hereby resolve S and ordains as follows: <br /> Article I: Definitions <br /> In addition to the common meaning of words, the following defini- <br /> tions shall be used in interpreting this ordinance. <br /> (1) ,"A" weighting scale: The sound pressure in decibels as mea- <br /> ured with a sound level meter using the "A" weighted network. <br /> The standard unit notation is dB(A). <br /> (2) dB(A): Sound level in decibels determined by the "A" weighting <br /> Scale of a standard sound level meter having characteristics <br /> "defined by the American National Standards Institute (ANSI) <br /> Publication ANSI, S14-1971. <br /> (3) Decibel : A unit of measure on a logarithmic scale, of the ratio <br /> bf the magnitude of a particular sound pressure to a standard <br /> reference pressure, which for purposes of this ordinance shall <br /> be 0.0002, microbars. <br /> (4) Residential Property: All property designated as such in the <br /> Orange County Zoning Ordinance, or in the case of those proper- <br /> ties within the extraterritorial planning jurisdictions of the <br /> Town of Chapel Hill, the Town of Carrboro, the Town of Hillsborough <br /> or the Town of Mebane, designated as such in the respective zoning <br /> Ordinances of each town. <br /> 1 <br /> (5) Sound Am.lif inq buigment: Any device for the amplification of <br /> t e human voice, music or any other sound, including juke boxes, <br /> Stereos and radios. <br /> (6) Sound Level: In decibels, a weighted sound pressure level deter- <br /> iTniiiii5TaTe use of a sound level meter whose characteristics and <br /> frequency weightings are specified in the ANSI Standards. <br /> (7) Sound Level Meter: Any instrument certified to meet or exceed <br /> ANSI standards which includes an omni-directional microphone, an <br /> amplifier, an output meter and frequency weighting network(s) for <br /> the measurement of sound level. <br /> (8) Sound Pressure Level : In decibels 20 times the logarithm to the <br /> base 10 of the ratio of the magnitude of a particular sound pres- <br /> sure to the standard reference pressure. The standard reference <br /> pressure is 0.0002 microbars, <br />