Dimensional standards
Servicing
- Geographic extent
- Areas of special flood hazard (SFHA) as shown on the Flood Insurance Rate Map
Extracted standards
5 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Maximum crawlspace depth below grade2 ft
The interior grade of a crawl space below the BFE must not be more than two feet below the lowest adjacent exterior grade
- Maximum crawlspace heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.4 ft
The height of the below-grade crawl space ... must not exceed four feet
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. of flood opening bottom above grade1 ft
The bottom of all openings shall be no higher than one foot above grade
- Maximum flood velocity for crawlspace5 ft/s
The velocity of floodwaters at the site should not exceed five feet per second for any crawl space
- Minimum flood opening area1 sq in per sq ftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Have a minimum of two openings on different sides having a total net area of not less than one square inch for every square foot of enclosed area subject to flooding
From the ordinance
All new construction and substantial improvements, including manufactured homes, shall be adequately anchored to prevent flotation, collapse or lateral movement of the structure resulting from hydrodynamic and hydrostatic loads, including the effects of buoyancy.