North American Vertical Datum (NAVD) definition

North American Vertical Datum (NAVD) means, as corrected in 1988, a vertical control used as a reference for establishing varying elevations within the floodplain.
North American Vertical Datum (NAVD) means a fixed reference adopted by the U. S. Government as a standard geodetic datum for vertical elevations.
North American Vertical Datum (NAVD) means the national datum, established in 1988, which is the new vertical datum used by the National Flood Insurance Program (NFIP) for all new Flood Insurance Rate Maps.

Examples of North American Vertical Datum (NAVD) in a sentence

The base Flood is commonly referred to as the “100 year flood” Base Flood Elevation: The elevation of the base flood, including wave height, relative to the National Geodetic Vertical Datum (NGVD), North American Vertical Datum (NAVD) or other datum specified on the Flood Insurance Rate Map (FIRM).

For the purposes of this ordinance, the term is synonymous with the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, to which base flood elevations shown on a community's flood insurance rate map are referenced.

WATER SURFACE ELEVATION - The height, in relation to the North American Vertical Datum (NAVD) of 1988 (or other datum, where specified), of floods of various magnitudes and frequencies in the floodplains of coastal or riverine areas.

North American Vertical Datum (NAVD)- means the national datum whose standard was established in 1988, which is the new vertical datum used by the National Flood Insurance Program (NFIP) for all new Flood Insurance Rate Maps.

This elevation is generally not referenced to the National Geodetic Vertical Datum (NGVD), North American Vertical Datum (NAVD) or any other established datum and is used in areas where Mean Sea Level data is too far from a specific site to be practically used.


More Definitions of North American Vertical Datum (NAVD)

North American Vertical Datum (NAVD) means, as corrected in 1988, a vertical control used as a reference for establishing varying elevations within the flood plain.
North American Vertical Datum (NAVD) means the datum point established at Pointe-au-Pére on the St. Lawrence River, Québec Province, Canada, based on the mass or density of the earth. The datum listed as the reference datum on flood insurance rate maps should be used for elevation certificate and floodproofing certificate completion.