Portland City Code ch. 14

Citation: Portland City Code ch. 14
Parent Document: Portland City Code ch. 14
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/ae8cabd1-66eb-4a1c-9224-92bbca5e792f ↗

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c. Water loading values used shall be 7. Human alteration of sand dunes within
those associated with the base flood. Zones V1-30 and VE is prohibited unless it
Wind loading values used shall be can be demonstrated that such alterations
those required by applicable state and will not increase potential flood damage.
local building standards. 8. The enclosed areas may be used solely for
3. New construction or substantial parking vehicles, building access, and
improvement of any structure located storage.
within Zones V1-30 or VE shall have the 9. Lobster sheds and fishing sheds located
space below the lowest floor: seaward of mean high tide shall be exempt
a. Free of obstructions, or from the elevation requirement in
b. Constructed with open wood lattice Subsection 12.4.5(G) only upon review and
work, or insect screening intended to approval by the Planning Authority or
collapse under wind and water Planning Board and if all the following
without causing collapse, requirements of Subsections 12.4.5(A), (K),
displacement, or other structural and (L) are met:
damage to the elevated portion of the a. The conditional use shall be limited to
building or supporting piles or low value structures such as metal or
columns, or wood sheds 200 square feet or less
c. Constructed with non-supporting and shall not exceed more than one
breakaway walls which have a design story.
safe loading resistance of not less than b. The structure shall be securely
10 or more than 20 pounds per square anchored to the wharf or pier to resist
foot. flotation, collapse, and lateral
4. A registered professional engineer or movement due to the effect of wind
architect shall develop or review the and water loads acting simultaneously
structural design, specifications, and plans on all building components.
for the construction, which must meet or c. The structure will not adversely
exceed the technical criteria contained in increase wave or debris impact forces
the Coastal Construction Manual (FEMA affecting nearby buildings.
55/February, 1986). d. The structure shall have unfinished
5. A registered professional engineer or interiors and shall not be used for
architect shall certify that the design and human habitation.
methods of construction to be used are in e. Any mechanical, utility equipment and
accordance with accepted standards of fuel storage tanks must be anchored
practice for meeting the criteria of and either elevated or floodproofed
Subsections 12.4.5(P)(2) and (3). to two-feet above the base flood
6. The use of fill for structural support in elevation.
Zones V1-30 and VE is prohibited. CITY OF PORTLAND LAND USE CODE | 12-11 FLOOD PLAIN MANAGEMENT

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