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A. For the purposes of this chapter, the following words shall have the meaning defined:

1. Construction. Any site preparation, assembly, erection, demolition, substantial repair, maintenance, alteration, or similar action for or of public or private rights-of-way, structures, utilities, or similar property.

2. Decibel or dBA. A unit expressed on a logarithmic scale, for measuring the relative intensity of sounds, ranging from zero to 130 for the average pain level of the human ear.

3. Emergency Work. Any work performed for the purpose of preventing or alleviating the physical trauma or property damage threatened or caused by an emergency.

4. Environmental Designation for Noise Abatement or EDNA. An area or zones (environment) within which maximum permissible noise levels are established.

5. Leq. The equivalent A-weighted sound level which is the constant sound level that, in a given situation and time period, conveys the same sound energy as the actual time-varying A-weighted sound.

6. Motorized Watercraft. Those floating devices, which are designed to be propelled by the use of internal combustion engines or electric motors. Inflatable, motorized watercraft are included in this definition if they are propelled by the use of internal combustion engines or electric motors.

7. Noise. The intensity, duration and character of sounds from any and all sources.

8. Peak Hour Noise. The noisiest hour within a 24-hour period where the primary source of noise is from traffic.

9. Qualified Noise Consultant. Person(s) to perform noise impact analysis of specific activities or land use, and prepares a written report of findings. Such person(s) shall be professionally trained and qualified to perform the necessary tasks to identify, evaluate, manage and mitigate impacts related to noise.

10. Receiving Property. Real property within which sound originating from sources outside the property is received.

11. Sound Level. A-weighted sound pressure level measured by the use of a sound level meter using an A-weighted network and reported as decibels, dBA.

12. Sound Level Meter. An electronic instrument that includes a microphone, output meter, and amplifier, and measures sound pressure levels.

13. Weekday. Any day, Monday through Friday, which is not a legal holiday.

14. Weekend. The days of Saturday, Sunday, and any legal holiday. (Ord. 2590 § 2 (part), 2011).