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<br />. Construction plans for as-built condition,
<br />if applicable
<br />
<br />. New hydraulic analysis, based on origi nal
<br />flood discharge values, that accounts for
<br />effects of changes
<br />
<br />. Revised delineations of floodplain and
<br />floodway boundaries on a topographic
<br />map
<br />
<br />. Annotated copies of FHBM, FIRM, FBFM,
<br />Flood Profiles, and FIS report tables, as
<br />appropriate, that show requested
<br />revisions
<br />
<br />For changes that affect topographic conditions.
<br />the following data must be submitted:
<br />
<br />. General description of changes (e.g.,
<br />grading, filling)
<br />
<br />. New topographic information, (e.g.,
<br />spot elevations, grading plans, or
<br />contour maps
<br />
<br />. Revised delineations of floodplain
<br />boundaries on a topographic map
<br />
<br />. Annotated copies of FHBM, FIRM, FBFM,
<br />Flood Profiles, and FIS report tables, as
<br />appropriate, that show requested
<br />revisions
<br />
<br />Revisions Based on Use of Better Data
<br />
<br />FOT revisions based on better hydrologic data,
<br />the following data must be submitted:
<br />
<br />. Data that are bel ieved to be better than
<br />those used in original hydrologic analysis
<br />(e.g., additional years of stream' gage
<br />data)
<br />
<br />. Documentation of source of data
<br />
<br />. Explanation for improvement resulting
<br />from use of new data
<br />
<br />. New hydrologic analysis based on better
<br />data
<br />
<br />. New hydraulic analysis based on flood
<br />discharge values from new hydrologic
<br />analysis
<br />
<br />. Revised delineations of floodplain and
<br />floodway boundaries on a topographic
<br />map
<br />
<br />. Annotated copies of FHBM, FIRM, FBFM,
<br />Flood Profiles, and FIS report tables, as
<br />appropriate, that show requested
<br />revisions
<br />
<br />For revisions based on better hydraulic data, the
<br />following data must be SUbmitted:
<br />
<br />. Data that are believed to be better than
<br />those used in original hydraulic analysis
<br />(e.g., supplementary floodplain and
<br />stream channel cross sections)
<br />
<br />. Documentation of source of data
<br />
<br />. Explanation for improvement resulting
<br />from use of new data
<br />
<br />. New hydraulic analysis based on better
<br />data and original flood discharge values
<br />
<br />. Revised delineations of floodplain and
<br />floodway boundaries on a topographic
<br />map
<br />
<br />. Annotated copies of FHBM, F!RM, FBFM,
<br />flood profiles, and FIS report tables, as
<br />appropriate, that show requested
<br />revi si ons
<br />
<br />For revisions based on better topographic data,
<br />the following data must be submitted:
<br />
<br />. Data that are believed to be better than
<br />those used in plotting original
<br />floodplain boundaries (e.g., detailed
<br />topographic maps, grading plans, spot
<br />elevations)
<br />
<br />. Documentation of source of data
<br />
<br />. Revised delineations of floodplain
<br />boundaries on a topographic map
<br />
<br />. Annotated copi~s of FHBM, FIRM, FBFM,
<br />Flood Profiles, and FIS report tables, as
<br />appropriate, that show requested
<br />revisions
<br />
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