<div class="chunk-title">Sec. 30-27. - Definitions.</div>
<div class="chunk-content">
            <p class="p0">
               For the purpose of this article, the following definitions shall apply unless the
               context clearly indicates or requires a different meaning:
               </p>
            <p class="p0">
               <span class="ital">"A" weighing scale</span> means the sound pressure level, in decibels, as measured with the sound level meter
               using the "A" weighted network (scale). The standard unit notation is dB(A).
               </p>
            <p class="p0">
               <span class="ital">Ambient base noise level</span> means the average sound pressure level in dB(A) during a reasonable period of time,
               as determined by employing a sound level meter as described in <a href="" data-chunk-id="COOR_CH30EN_ARTIINOPO_S30-29METE" class="section-link" data-product-id="12479">section 30-29</a> and excluding impulsive sounds.
               </p>
            <p class="p0">
               <span class="ital">ANSI</span> means American National Standards Institute or its successor bodies.
               </p>
            <p class="p0">
               <span class="ital">Construction</span> means on-site erection, fabrication, installation, alteration, demolition or removal
               of any structure, facility or addition thereto, including all related activities,
               including, but not restricted to, clearing of land, earth moving, blasting and landscaping.
               </p>
            <p class="p0">
               <span class="ital">Daytime hours</span> means 7:00 a.m. to 11:00 p.m., local time.
               </p>
            <p class="p0">
               <span class="ital">dB(A)</span> means sound level in decibels, determined by the "A" weighing scale of a standard
               sound level meter having characteristics defined by the American National Standards
               Institute, Publication ANSI, 51.4-1971, for a Type 2 instrument.
               </p>
            <p class="p0">
               <span class="ital">Decibel (dB)</span> means a unit of measure, on a logarithmic scale, of the ratio of the magnitude of
               a particular sound pressure to a standard reference pressure, which for purposes of
               <a href="" data-chunk-id="COOR_CH30EN_ARTIINOPO_S30-29METE" class="section-link" data-product-id="12479">sections 30-29</a> and <a href="" data-chunk-id="COOR_CH30EN_ARTIINOPO_S30-30SOEMSTLI" class="section-link" data-product-id="12479">30-30</a> shall be 0.0002 microbars.
               </p>
            <p class="p0">
               <span class="ital">Emergency work</span> means work made necessary to restore property to a safe condition, work required
               to protect, provide or prevent persons or property from danger or potential danger;
               or work by private or public utilities when restoring utility service.
               </p>
            <p class="p0">
               <span class="ital">Nighttime hours</span> means 11:00 p.m. to 7:00 a.m., local time.
               </p>
            <p class="p0">
               <span class="ital">Person</span> means any individual, corporation, partnership, firm, association, trust, estate,
               public or private institution, group, agency, political subdivision of the state,
               any other state or political subdivision or agency thereof or any legal successor,
               representative, agent or agency of the foregoing.
               </p>
            <p class="p0">
               <span class="ital">Sound level</span> means in decibels, a weighted sound pressure level determined by the use of a sound
               level meter whose characteristics and frequency weightings are specified in ANSI standards.
               </p>
            <p class="p0">
               <span class="ital">Sound level meter</span> means any instrument certified to meet or exceed ANSI standards which includes an
               omnidirectional microphone, an amplifier, an output meter and frequency weighting
               network(s) for the measurement of sound level.
               </p>
            <p class="p0">
               <span class="ital">Sound-magnifying device</span> means any device or machine for the magnification of a human voice, music or any
               other sound. Sound-magnifying device shall not include emergency warning devices on
               police, fire, ambulance or other emergency vehicles, nor shall it include horns or
               steam whistles which are used for purposes authorized by subsections <a href="" data-chunk-id="COOR_CH30EN_ARTIINOPO_S30-31ENNO" class="section-link" data-product-id="12479">30-31</a>(a) and (e), respectively.
               </p>
            <p class="p0">
               <span class="ital">Sound pressure level</span> means in decibels, 20 times the logarithm to the base ten of the ratio of the magnitude
               of a particular sound pressure to the standard reference pressure. The standard reference
               pressure is 0.0002 microbars.
               </p>
            <p class="p0">
               <span class="ital">Prohibited noise</span> means any excessive or unusually loud sound or any sound which disturbs the peace
               and quiet of any neighborhood or which does annoy, disturb, injure or endanger the
               comfort, repose, health, peace or safety of any person or causes damage to property
               or business. Additionally, any sound that exceeds the sound emission decibel levels
               set forth in this article shall also constitute prohibited noise.
               </p>
            <p class="historynote0">
               (Res. of 11-4-13, Â§ 30-32)
               </p></div>