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A Guide to Elevating Residential Structures for Flood Protection

D. Allen Hughes, PE

One of the most common of all retrofitting techniques is to raise an entire existing superstructure above the design Flood elevation (DFE). When properly done, the elevation of a house places the living area above all but the most severe floods.

Elevating the structure allows water to enter the building footprint while locating the living area above the anticipated flood elevation. Elevating the house offers long term advantages over wet floodproofing by making the cleanup after the flood much easier limiting the cleanup to areas outside of the living area. In many cases, elevating the house is simpler and more cost effective than dry floodproofing the house. This information in this course could be useful in projects where elevating the house is necessary, regardless of the reason.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

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