Surveying and Mapping Technicians Salary in San Francisco, CA

Common tasks

• Set out and recover stakes, marks, or other monumentation.
• Search for section corners, property irons, or survey points.
• Calculate latitudes, longitudes, angles, areas, or other information for mapmaking, using survey field notes or reference tables.
• Enter Global Positioning System (GPS) data, legal deeds, field notes, or land survey reports into geographic information system (GIS) workstations so that information can be transformed into graphic land descriptions, such as maps and drawings.
• Adjust and operate surveying instruments such as prisms, theodolites, electronic distance measuring equipment, or electronic data collectors.
• Check all layers of maps to ensure accuracy, identifying and marking errors and making corrections.
• Collect information needed to carry out new surveys, using source maps, previous survey data, photographs, computer records, or other relevant information.
• Record survey measurements or descriptive data, using notes, drawings, sketches, or inked tracings.
• Conduct surveys to ascertain the locations of natural features and man-made structures on the Earth's surface, underground, and underwater, using electronic distance-measuring equipment, such as GPS, and other surveying instruments.
• Prepare topographic or contour maps of land surveyed, including site features and other relevant information, such as charts, drawings, and survey notes.