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HAZUS®MH MR3 Flood Model Technical Manual

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The flood loss estimation methodology consists of two modules that carry out basic analytical processes: flood hazard analysis and flood loss estimation analysis. The flood hazard analysis module uses characteristics, such as frequency, discharge, and ground elevation to estimate flood depth, flood elevation, and flow velocity. The flood loss estimation module calculates physical damage and economic loss from the results of the hazard analysis. New in HAZUS-MH MR3 Flood Model: Data: Commercial data updated to Dun & Bradstreet 2006; Building valuations updated to R.S. Means 2006, and; Building counts based on census housing unit counts for RES1 (single-family dwellings) and RES2 (manufactured housing) instead of calculated building counts. Methodology: User-supplied flood maps and flood depth grids import into the “quick look” and “enhanced quick look” functions; Optimized building analysis, and; Revised hazard menu graphic user interface.
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