LAC 43:XXVII.501. General Requirements

A. Sufficient horizontal and, if applicable, vertical control surveys shall be established within and adjacent to the project area to serve as a basis for all subsequent analytic aerial triangulation and photogrammetric mapping. B. Existing horizontal and vertical control monumentation which is published by the National Geodetic Survey (NGS) as part of the National Geodetic Reference System shall be used exclusively as the basis for the extension and densification of any and all additional horizontal or vertical control that may be required. C. All ground control surveys shall be performed by or under the supervision of a Professional Land Surveyor registered in accordance with the requirements established by the Louisiana State Board of Registration for Professional Engineers and Land Surveyors.