Diagram 6 – Elevated Buildings With Enclosures
For elevated buildings with enclosures as depicted in Diagram 6, the area below the elevated floor is either fully or partially enclosed. The enclosure has rigid walls and would obstruct the flow of floodwater.
A graphic of a diagram titled Diagram 6.  In the center of the diagram is a rectangle elevated on stilts labeled ELEVATED FLOOR. Underneath the house on the right side is a shaded rectangle labeled ENCLOSURE.  The ground level is labeled GRADE.  There are several bubbles with arrows pointing at different locations on the rectangle.  Arrow C2.a points to the base of the enclosure floor. Bubble C2.b points to the base of the elevated floor. Bubble C2.c points to the lowest horizontal structural member beneath the lowest floor, next to the bubble are the words for V zones only.  Bubble C2.f-h is below the grade line on the left side of the diagram with the words determined by existing grade beneath it.  Bubble A8.a-c points to the enclosure with the words Determine enclosure size and openings, if any written underneath it.