§ 1-605. Definition of systems by National Ocean Service/National Geodetic Survey; adopted

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Code of Virginia
Title 1. General Provisions
Chapter 6. Virginia Coordinate Systems

1/30/2023

§ 1-605. Definition of systems by National Ocean Service/National Geodetic Survey; adopted.

A. For purposes of more precisely defining the Virginia Coordinate System of 1927, the following definition by the National Ocean Service/National Geodetic Survey is adopted:

The Virginia Coordinate System of 1927, North Zone, is a Lambert conformal projection of the Clarke spheroid of 1896, having standard parallels at north latitudes 38° 02' and 39° 12', along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 78° 30' west of Greenwich with the parallel 37° 40' north latitude, such origin being given the coordinates: x2,000,000", and y0'.

The Virginia Coordinate System of 1927, South Zone, is a Lambert conformal projection of the Clarke spheroid of 1896, having standard parallels at north latitudes 36° 46' and 37° 58', along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 78° 30' west of Greenwich with the parallel 36° 20' north latitude, such origin being given the coordinates: x2,000,000', and y0'.

B. For purposes of more precisely defining the Virginia Coordinate System of 1983, the following definition by the National Ocean Service/National Geodetic Survey is adopted:

The Virginia Coordinate System of 1983, North Zone, is a Lambert conformal conic projection based on the North American Datum of 1983, having standard parallels at north latitudes 38° 02' and 39° 12', along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 78° 30' west of Greenwich and the parallel 37° 40' north latitude, such origin being given the coordinates: x3,500,000 meters and y2,000,000 meters.

The Virginia Coordinate System of 1983, South Zone, is a Lambert conformal conic projection based on the North American Datum of 1983, having standard parallels at north latitudes 36° 46' and 37° 58', along which parallels the scale shall be exact. The origin of coordinates is at the intersection of the meridian 78° 30' west of Greenwich and the parallel 36° 20' north latitude, such origin being given the coordinates: x3,500,000 meters and y1,000,000 meters.

1946, p. 167; Michie Suppl. 1946, § 2849(5); Code 1950, § 55-292; 1984, c. 726; 2019, c. 712.