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FEMA.gov | Federal Emergency Management Agency · (2) 3 feet above Highest Existing Adjacent Grade (HEAG) at the building site. The HEAG is defined as the highest natural elevation

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Page 1: FEMA.gov | Federal Emergency Management Agency · (2) 3 feet above Highest Existing Adjacent Grade (HEAG) at the building site. The HEAG is defined as the highest natural elevation