Portland City Code ch. 14 (Land Use Code)

Citation: Portland City Code ch. 14 (Land Use Code)
Jurisdiction: Portland (municipal)
Source: Official source
Original Source: https://content.civicplus.com/api/assets/a5dcd1dc-4117-40b3-b3da-74a56919e14b... ↗

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Administration that the location of such scale at or within the boundaries of any
equipment will not create a hazard to air residential zone, except for sound from
traffic. construction activities, sound from traffic
2. Rooftop appurtenances may exceed the on public streets, sound from temporary
maximum height limit of 45 feet providing activities such as festivals, sound created
that their design and placement is either as a result of, or relating to, an emergency,
fully screened or integrated into the including sound from emergency warning
architecture of the structure on which signal devices, and maritime navigation
they sit. signals.
3. The applicant shall provide a 2. In measuring sound levels under this
determination from the Federal Aviation subsection, sounds with a continuous
Administration that structures and duration of less than 60 seconds shall be
equipment in excess of 45 feet will not measured by the maximum reading on a
exceed the applicable height guidelines for sound level meter set to the A weighted
the runway approach and will not create a scale and the fast meter response (L
conclusive evidence that the proposed maxfast). Sounds with a continuous
development will not create a hazard. duration of 60 seconds or more shall be
measured on the basis of the energy
10.2.8 Performance standards average sound level over a period of 60
Development in the Eastern Waterfront Port Zone seconds (LEQ1).
shall comply with the following standards: 3. In addition to the sound level standards
A. Outdoor storage of materials. Outdoor otherwise established, facilities or
storage of commodities and materials operations established or built in the
accessory to normal conduct of business shall EWPZ on or after July 1, 1988, shall employ
be entirely contained, including