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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meet the elevation requirements of iii. All components of the anchoring
this subsection and floodproofing system shall be capable of
standards of Subsection 12.4.5(G). carrying a force of 4,800 pounds.
4. Zone A shall have the lowest floor 2. Zones AO and AH shall have adequate
(including basement) elevated to at least drainage paths around structures on
two feet above the base flood elevation slopes, to guide flood water away from the
utilizing information obtained pursuant to proposed structures.
Subsections 12.4.2(D)2, 12.4.4(B)(4), 3. Zone AO shall have the lowest floor
12.4.4(C)(1). (including basement) elevated above the
5. Zones V1-30 and VE shall meet the highest adjacent grade:
requirements of Subsection 12.4.5(P). a. At least two feet higher than the
H. Manufactured homes. New or substantially depth specified in feet on the
improved manufactured homes located within: community’s Flood Insurance Rate
1. Zones A1-30, AE, and AH shall: Map, or
a. Be elevated on a permanent b. At least three feet if no depth number
foundation such that the lowest floor is specified, and
is at least two feet above the base c. Meet the requirements of Subsection
flood elevation. 12.4.5(H)(1)(b).
b. Be securely anchored to an 4. Zone A shall:
adequately anchored foundation a. Be elevated on a permanent
system to resist flotation, collapse, or foundation such that the lowest floor
lateral movement. Methods of is at least two feet above the base
anchoring may include, but are not flood elevation utilizing information
limited to: obtained pursuant to Subsection
i. Over the top ties anchored to the 12.4.2(D)(2), 12.4.4(B)(4), or
ground at the four corners of the 12.4.4(C)(1).
manufactured home, plus two b. Meet the requirements of Subsection
additional ties per side at 12.4.4(B)(2).
intermediate points 5. Zones V1-30 and VE shall meet the
(manufactured homes less than requirements of Subsection 12.4.5(P).
50 feet long require one I. Recreational vehicles. Recreational vehicles
additional tie per side). located within:
ii. Frame ties at each corner of the 1. Zones A1-30, AH, and AE shall either:
home, plus five additional ties a. Be on the site for fewer than 180
along each side at intermediate consecutive days, or
points (manufactured homes less b. Be fully licensed and ready for highway
than 50 feet long require four use. A recreational vehicle is ready for
additional ties per side). highway use if it is on its wheels or CITY OF PORTLAND LAND USE CODE | 12-7 FLOOD PLAIN MANAGEMENT

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