§ 10-402.  Definitions. 82
   The following definitions shall apply to this Chapter and the Regulations adopted hereunder:
   (1)   Background sound level. The measured sound level in the area, exclusive of extraneous sounds and the sound contribution of the specific source in question.
   (2)   Board. The Board of Health.
   (3)   Construction. Site preparation, excavation, filling or grading or the assembly, erection, repair, alteration or demolition of any structure or part of the right-of-way.
   (3.1)   Concert venue. A facility used for musical or similar performances with a seating capacity of more than 1,000. 83
   (4)   Decibel (dB). A unit for measuring the volume of sound equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound measured to the reference pressure which is 20 micropascals (20 micronewtons per square meter).
   (5)   Department. The Department of Public Health, Health Commissioner or any authorized representative thereof.
   (6)   Emergency and Public Works Construction. Construction necessary to protect health and safety, construction by public utilities, and construction on streets, bridges and sidewalks for public works purposes or such other construction activity specifically designated by the City as emergency construction after consultation with the Health Department.
   (7)   Extraneous sound. A sound the level of which does not remain generally constant during measurement.
   (8)   Person. Any individual, natural person, syndicate, association, partnership, firm, corporation, institution, agency, authority, department, bureau or instrumentality of federal, state or local government or other entity recognized by law as a subject of rights and duties.
   (9)   Property Boundary. In the case of a single-family dwelling, or a property used solely for non-residential purposes, the legal property line. In the case of a structure containing two-family, multi-family or other non-single- family residential dwellings, the legal property line and any partition between separately occupied units within the property.
   (10)   Public Right-of-Way. Property to which the public has a legal right of access including, but not limited to, public sidewalks and streets and public parks, but not including buildings.
   (11)   Regular Construction. Construction between the hours of 7 a.m. and 8 p.m., Monday through Friday, or between the hours of 8 a.m. and 8 p.m. on weekends and legal, national or state holidays.
   (12)   Siren. A device manually or electrically operated for producing a penetrating warning sound.
   (13)   Residential property. Any portion of any property at which people reside on a permanent basis, including exterior portions of the property and the common areas of a multi-unit residential property. 84
   (14)   Sound. An oscillation in pressure, particle displacement, particle velocity or other physical parameter in a medium with internal forces that causes compression and rarefaction of that medium.
   (15)   Sound Level Meter. An instrument used to measure sound pressure levels.
   (16)   Unamplified Human Voice. Human vocal sound that is not amplified by any mechanical or electronic means.
   (17)   Vibration. An oscillatory motion of solid bodies of deterministic or random nature described by displacement, velocity or acceleration with respect to a given reference point.



   Former Section 10-402 repealed and new Section 10-402 added, Bill No. 050749 (approved January 24, 2006).
   Added, Bill No. 060091 (approved September 14, 2006).
   Amended, Bill No. 060091 (approved September 14, 2006).