§ 9.48.010   Standards and definitions.
   A.   Terminology and Standards. All terminology used in this chapter that is not defined below shall be in accordance with the American National Standards Institute (ANSI).
   B.   Measurement of Sound Level.
      1.   Measurements shall be made with a calibrated sound level meter in good operating condition, of a standard design and quality that meets the basic specifications established by the American National Standards Institute (ANSI).
      2.   Procedures and tests required by this chapter and not specified herein shall be placed on file with the Code Enforcement Officer.
   C.   Definitions.
      Ambient Noise means all-encompassing noise associated with a given environment, being usually a composite of sounds from any sources near or far.
      Amplifying Equipment means public address systems, musical instruments and other similar devices which are electronically amplified.
      Commercial Land Use includes land uses zoned C-1, C-2 and C-M, or any use of an office, service establishment, retail store, park, amusement or recreation facility, or other use of the same general type, whether publicly or privately owned.
      Construction means any and all activity necessary or incidental to the erection, demolition, assembling, altering, installing, repair or equipping of buildings, roadways and utilities. It shall include land clearing, grading, excavating and filling, before, during or following that activity.
      Continuous Sound means any steady sound with a deviation no greater than plus or minus 2 dBA of its mean, or total fluctuation of 4 dBA, during the period of observation when measured with a sound level meter set on fast response.
      Day Time Period means 7:00 a.m. until 10:00 p.m. of the same day, local time.
      Domestic Power Tools means any mechanical powered nail gun, stapler, saw, drill, sander, grinder, lawn or garden tool, lawn mowers, generators or similar devices generally used out of doors in residential areas.
      Emergency Work means work made necessary to restore property to a safe condition following severe inclement weather and natural disasters, work required to restore public utilities or work required to protect persons or property from imminent exposure to danger.
      Industrial Land Use includes land uses zoned M-1 and M-2 or any use of a warehouse, factory, mine, wholesale trade establishment or other use of the same general type, whether publicly or privately owned.
      Night Time Period means 10:00 p.m. of one day until 7:00 a.m. the following day, local time.
      Noise Sensitive Land Use includes property on which residential housing, apartment buildings, schools, churches, hospitals and nursing homes are located.
      Off-Road Recreational Vehicle means any self-propelled land vehicle designed for or capable of traversing over natural terrain, including but not limited to racing vehicles, mini-bikes, motorcycles, go-karts and dune buggies, when operated off the public right-of-way for noncommercial purposes.
      Plainly Audible means unambiguously communicated sounds which disturb the comfort, repose or health of the listener. Plainly Audible sounds include, but are not limited to understandable musical rhythms, understandable spoken words, and vocal sounds other than speech, which are distinguishable as raised or normal.
      Powered Model Vehicle means any self- propelled airborne, waterborne or land-borne plane, vessel or vehicle, which is not designated to carry persons, including but not limited to any model airplane, boat, car or rocket.
      Recreational Park means a facility open to the public for the operation of off-road recreational vehicles.
      Warning Devices means electronic devices used to protect persons or property from imminent danger, including but not limited to firearms, civil defense warning systems and safety alarms required by law.
(Am. Ord. 1450, passed 11-16-2016)