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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Floodways watercourse and the adjacent land areas to
1. In Zone AE riverine areas, encroachments, a distance of 1/2 the width of the floodplain
including fill, new construction, substantial as measured from the normal high-water
improvement, and other development shall mark to the upland limit of the floodplain.
not be permitted within a regulatory Encroachments, including fill, new
floodway designated on the Flood construction, substantial improvement,
Insurance Rate Map unless a technical and other development shall not be
evaluation certified by a registered permitted unless a technical evaluation
professional engineer is provided certified by a registered professional
demonstrating that such encroachments engineer is provided meeting the
will not result in any increase in flood levels requirements of (2) above.