Certified Floodplain Manager (CFM) Practice Exam

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What does Freeboard refer to in floodplain management?

The length of a bridge over water

A board used to measure flood depth

The height above BFE for safety margin in structure elevation

Freeboard refers to the vertical distance between the base flood elevation (BFE) and the bottom of a structure's lowest floor. Option A, the length of a bridge over water, is not relevant to floodplain management. Option B, a board used to measure flood depth, is a tool and not a concept related to floodplain management. Option D, the width of a river at its widest point, is not a measure used in floodplain management. Therefore, the correct answer is C as it accurately describes the meaning of freeboard in the context of floodplain management.

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The width of a river at its widest point