Portland City Code ch. 14 (Land Use Code)

Citation: Portland City Code ch. 14 (Land Use Code)
Jurisdiction: Portland (municipal)
Source: Official source
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b. If the qualified professional 3. Zone AO shall have the lowest floor
determines that the project may cause (including basement) elevated above the
a change, a hydrologic and hydraulic highest adjacent grade:
analysis that meets current FEMA a. At least two feet higher than the
standards shall be performed. depth specified in feet on the Flood
2. If the hydrologic and hydraulic analysis Insurance Rate Map, or
performed indicates a change to the base b. At least three feet if no depth number
flood elevation, zone, and/or the flood is specified.
hazard boundary line, the applicant may 4. Zone A shall have the lowest floor
submit a Conditional Letter of Map (including basement) elevated:
Revision (C-LOMR) request to the Federal a. To at least two feet above the base
Emergency Management Agency for flood elevation utilizing information
assurance that the as-built project will obtained pursuant to Subsections
result in a change to the Flood Insurance 12.4.2(J)(1)(b)(i))(), 12.4.4(C), or
Rate Map. Once the development is 12.4.4(B)(4), or
completed, a request for a Letter of Map b. In the absence of all data
Revision (LOMR) shall be initiated; or described above, to at
3. If the hydrologic and hydraulic analysis least two feet above the
performed show a change to the base highest adjacent grade to the
flood elevation, zone, and/or the flood structure.
hazard boundary line, as soon as 5. Zones VE and Coastal AE shall meet the
practicable, but no later than six months requirements of Subsection 12.4.5(R).
after the completion of the project, the I. Nonresidential. New construction or
applicant shall submit the technical data to substantial improvement of any nonresidential
FEMA in the form of a Letter of Map structure located within:
Revision request. 1. Zones AE, AO, and AH