| description:
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This feature class contains features mapped to represent storm water pond risers which are drainage structures designed to control the surface level of a drainage pond.Inverts related data fields in this feature class are blank and only provided to facilitate future documentation of that data as SGS did not document inverts during this project at the request of NCAGR.The GIS data herein have been incorporated by SGS during Phase I as derived from plans (see process steps) or surveyed by SGS during Phase II. All data herein are identified as to their source (Scanned Hardcopy Plan, AutoCAD data, NCAGR Redline Drawing, Mapping Grade GPS Survey, and Survey Grade GPS Survey). |