Sec.20-300b-10. Geographic information system (GIS) land information system (LIS)  


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  • (a) A Geographic Information System (GIS) is a complex spatial information system used to capture, store, analyze, display, manage, share, and present data linked to geographic locations. The GIS may contain Authoritative Data which can be displayed and presented along with Non-Authoritative Data. A licensed surveyor shall differentiate between the Authoritative Data and the Non-Authoritative Data.

    (b) Authoritative Data is data that: (1) has been created by, or under the direct supervision of, a licensed land surveyor, and depending upon the accuracy, may be deemed suitable for use in engineering design, the determination of property boundaries or the determination of locations of fixed works and topography; (2) is suitable for use in an official capacity for the enforcement of regulations that pertain to the locations of fixed works and topography; and (3) is suitable for use in an official capacity for the enforcement of regulations that pertain to the location of improvements and fixed works.

    (c) Horizontal reference system, vertical reference system, and the Class or Classes of Accuracy of the authoritative spatial data and boundary data shall be clearly stated.  Any features or spatial data depicted on a GIS map that are stated to meet positional accuracies, standards or tolerances, such as map coordinate location or elevation versus field coordinates or elevation shall be considered Authoritative Data.

(Adopted effective June 21, 1996; Amended October 26, 2018)