Perform calculations to determine earth curvature corrections, atmospheric impacts on measurements, traverse closures and adjustments, azimuths, level runs, and placement of markers.
Record survey measurements and descriptive data using notes, drawings, sketches, and inked tracings.
Search for section corners, property irons, and survey points.
Position and hold the vertical rods, or targets, that theodolite operators use for sighting to measure angles, distances, and elevations.
Lay out grids, and determine horizontal and vertical controls.
Compare survey computations with applicable standards to determine adequacy of data.
Set out and recover stakes, marks, and other monumentation.
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 and other surveying instruments.
Direct and supervise work of subordinate members of surveying parties.
Compile information necessary to stake projects for construction, using engineering plans.
Prepare topographic and contour maps of land surveyed, including site features and other relevant information such as charts, drawings, and survey notes.
Place and hold measuring tapes when electronic distance-measuring equipment is not used.
Collect information needed to carry out new surveys using source maps, previous survey data, photographs, computer records, and other relevant information.
Operate and manage land-information computer systems, performing tasks such as storing data, making inquiries, and producing plots and reports.
Run rods for benches and cross-section elevations.
Perform manual labor, such as cutting brush for lines, carrying stakes, rebar, and other heavy items, and stacking rods.
Maintain equipment and vehicles used by surveying crews.
Provide assistance in the development of methods and procedures for conducting field surveys.