Dimensional standards
Servicing
- Applies near
- AE/AH zone
- Geographic extent
- Areas within the AE/AH zones as delineated on the FIRM
Extracted standards
6 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Floodplain
- No increase in base flood elevation
No new construction, substantial improvements, or other development (including fill) shall be permitted within the areas of special flood hazard, designated as zones AE or AH on the FIRM, unless it is demonstrated that the cumulative effect of the proposed development, when combined with all other existing and anticipated development, will not increase the water surface elevation of the base flood more than one foot at any point within the town.
Other
- Flood opening area ratio1 sqin/sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The total net area of all openings must be at least one square inch for each square foot of enclosed area subject to flooding.
- Flood opening bottom heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.1 ft
The bottom of all required openings shall be no higher than one foot above the adjacent grade.
- Minimum flood openings2 count
Provide a minimum of two openings on different sides of each enclosed area subject to flooding.
- Nonresidential lowest floor elevation1 ft
New construction or substantial improvement of any commercial, industrial, or nonresidential building (or manufactured home) shall have the lowest floor, including basement, elevated to or above one foot above the base flood level.
- Residential lowest floor elevation2 ft
New construction or substantial improvement of any residential structure (including manufactured homes) in zones AE and AH with detailed base flood elevations shall have the lowest floor, including basement, elevated to or above two feet above the base flood level.
From the ordinance
New construction or substantial improvement of any residential structure (including manufactured homes) in zones AE and AH with detailed base flood elevations shall have the lowest floor, including basement, elevated to or above two feet above the base flood level.