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NAVD 88 definition

NAVD 88 means North American Vertical Datum of 1988. “NGVD 29” means National Geodetic Vertical Datum of 1929.

Examples of NAVD 88 in a sentence

  • The as-built plans should be in DXF binary format using State plane coordinates and NAVD 88.

  • Upon establishment of the lowest floor of an elevated structure or structure constructed on fill, it shall be the duty of the applicant to submit to the Floodplain Administrator a certification of the NAVD 88 or NGVD elevation of the lowest floor, as built.

  • Drawings shall be referenced to and tie-in with the state plane coordinate system, with a Florida East Projection, and a North American Datum 1983/1990 (NAD 83/90 datum), and with United States Survey Feet (USFEET) units, and North American Vertical Datum 1988 (NAVD 88), as established by a registered Florida surveyor and mapper.

  • All contours, spot elevations and design elevations shall be to the benchmark shown on the plan for the NAVD 88 datum.

  • All vertical control for the project will be based on the North American Vertical Datum of 1988 (NAVD 88) provided by NOAA’s National Geodetic Survey (NGS).

  • All plans shall be annotated as follows: “The site shown hereon is referenced to the Virginia Coordinate System of 1983 as computed from a field run boundary and horizontal control survey.” Vertical Datum - All Site Plans shall be referenced to the North American Vertical Datum of 1988 (NAVD 88).

  • The Consultant shall provide the specific datum of any USGS information (i.e., NAVD 88, NGVD 29 etc.).

  • The National American Vertical Datum of 1988 (NAVD 88), US Survey Feet, shall be used for the vertical datum.

  • State plane coordinates and NAVD 88 will be used for horizontal and vertical controls.

  • Control shall be relative to the North American Datum of 1983 (NAD 83) and the North American Vertical Datum of 1988 (NAVD 88).

Related to NAVD 88

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