| http://www.w3.org/ns/prov#value | - Meet or exceed the following minimum criteria: 1. a minimum of two openings having a total net area of not less than one square inch for every square foot of the enclosed area; 2. the bottom of all openings shall be below the base flood elevation and no higher than one foot above the lowest grade; and, 3. openings may be equipped with screens, louvers, valves, or other coverings or devices provide
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