City of South Portland, ME, Code of Ordinances ch. 5 (Buildings), Art. VII (Rental Registration)

Citation: City of South Portland, ME, Code of Ordinances ch. 5 (Buildings), Art. VII (Rental Registration)
Jurisdiction: South Portland (municipal)
Source: Official source
Original Source: https://southportland.gov/DocumentCenter/View/1421/Ch-05-Buildings ↗

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2. in the absence of all data described in Sec. 5-131(6)(b)(1), to at
least two (2) feet above the highest adjacent grade to the structure;
or,

3. together with attendant utility and sanitary facilities, be
floodproofed to one (1) foot above the elevation established in Sec.
5-131(6)(b)(1-2) and meet the floodproofing standards of Sec.
5-131(6)(a)(1-3).

Zone VE shall meet the requirements of Sec. 5-133.


(7) Hydraulic Openings/Flood Vents. New construction or substantial improvement of
any structure in Zones A or AE that meets the development standards of Sec.
5-131(5),(6), or (8) and is elevated on posts, columns, piers, or crawl spaces,
may be enclosed below the base flood elevation requirements provided that all of
the following criteria are met or exceeded:

(a) Enclosed areas are not “basements” as defined in Sec. 5-106.

(b) Enclosed areas shall be designed to automatically equalize hydrostatic
flood forces on exterior walls by allowing for the entry and exit of
floodwater. Designs for meeting this requirement must either:

1. be engineered and certified by a registered professional engineer or
architect; or,

2. meet or exceed all of the following minimum criteria:

a. a minimum of two (2) openings having a total net area of not less
than one (1) square inch for every square foot of enclosed area
subject to flooding shall be provided;

b. the bottoms of all openings shall be below the base flood elevation
and no higher than one (1) foot above the lowest grade; and,