227 - SURVEYOR
Performs a variety of surveying duties in the determination of data pertaining to the construction and lay-out of roads, bridges, and buildings, or in artillery units performs such survey operations as locating gun positions and establishing base lines.
Sets up and operates such surveying instruments as transit, alidade, level, level rods, stadia rods, compass, and aneroid barometer to measure distances, angles, and differences in elevation on the ground. Measures vertical and horizontal angles, using transit, aiming circle, or similar instruments. Determines distances and elevations by instrument reading and calculations or actual measurement with a steel tape.
Keeps field notes, performs mathematical calculations, makes sketches of terrain features when required. Uses plane table, alidade, compass, protractor, and scales to plot various surveyed positions on a map or chart. May supervise a survey party. Must understand basic surveying operations. Must be competent in use of common surveying instruments. Should be proficient in mathematics, including plane trigonometry. Note—See also SSN 230.