Mapping Technology

• A process where paper Federal Insurance Rate Maps (FIRM) are used to determine the precise location of the footprint of a structure or structures located on a property.
  


• Plat maps, aerial photography, legal descriptions, site plans and careful delineation are used in conjunction with the FIRMs.
  


• Each technician is highly trained and supervised for several months. All determinations are checked and rechecked for accuracy.
  


• PDR uses a peer review and team approach for difficult issues.
  


• All GIS systems have a degree of error . The original source document is the most accurate method of delineation.