# Surveyors > Make exact measurements and determine property boundaries. Provide data relevant to the shape, contour, gravitation, location, elevation, or dimension of land or land features on or near the earth's surface for engineering, mapmaking, mining, land evaluation, construction, and other purposes. - Code: 17-1022.00 (O*NET-SOC; SOC 2018 17-1022) - Family: [Architecture & Engineering](https://foundation.org.ai/occupations#family-17), one of its 59 occupations - Tasks: 24 tasks (21 core and 3 supplemental) - Page: https://foundation.org.ai/occupations/17-1022.00 - JSON: https://foundation.org.ai/data/tasks/17-1022.00.json ## What the work is made of 1. Direct or conduct surveys to establish legal boundaries for properties, based on legal deeds and titles. Core task · Task 3530 · Rated by 20 occupational experts, August 2023 2. Prepare and maintain sketches, maps, reports, and legal descriptions of surveys to describe, certify, and assume liability for work performed. Core task · Task 3528 · Rated by 19 occupational experts, August 2023 3. Write descriptions of property boundary surveys for use in deeds, leases, or other legal documents. Core task · Task 3534 · Rated by 20 occupational experts, August 2023 4. Verify the accuracy of survey data, including measurements and calculations conducted at survey sites. Core task · Task 3529 · Rated by 20 occupational experts, August 2023 5. Search legal records, survey records, and land titles to obtain information about property boundaries in areas to be surveyed. Core task · Task 3536 · Rated by 20 occupational experts, August 2023 6. Record the results of surveys, including the shape, contour, location, elevation, and dimensions of land or land features. Core task · Task 3531 · Rated by 20 occupational experts, August 2023 7. Prepare, or supervise preparation of, all data, charts, plots, maps, records, and documents related to surveys. Core task · Task 3533 · Rated by 20 occupational experts, August 2023 8. Compute geodetic measurements and interpret survey data to determine positions, shapes, and elevations of geomorphic and topographic features. Core task · Task 3543 · Rated by 20 occupational experts, August 2023 9. Calculate heights, depths, relative positions, property lines, and other characteristics of terrain. Core task · Task 3532 · Rated by 20 occupational experts, August 2023 10. Plan and conduct ground surveys designed to establish baselines, elevations, and other geodetic measurements. Core task · Task 3535 · Rated by 20 occupational experts, August 2023 11. Establish fixed points for use in making maps, using geodetic and engineering instruments. Core task · Task 3539 · Rated by 20 occupational experts, August 2023 12. Determine longitudes and latitudes of important features and boundaries in survey areas, using theodolites, transits, levels, and satellite-based global positioning systems (GPS). Core task · Task 3540 · Rated by 20 occupational experts, August 2023 13. Train assistants and helpers, and direct their work in such activities as performing surveys or drafting maps. Core task · Task 3541 · Rated by 20 occupational experts, August 2023 14. Coordinate findings with the work of engineering and architectural personnel, clients, and others concerned with projects. Core task · Task 3537 · Rated by 20 occupational experts, August 2023 15. Analyze survey objectives and specifications to prepare survey proposals or to direct others in survey proposal preparation. Core task · Task 3542 · Rated by 19 occupational experts, August 2023 16. Testify as an expert witness in court cases on land survey issues, such as property boundaries. Core task · Task 20954 · Rated by 20 occupational experts, August 2023 17. Adjust surveying instruments to maintain their accuracy. Core task · Task 3538 · Rated by 20 occupational experts, August 2023 18. Develop criteria for survey methods and procedures. Core task · Task 3544 · Rated by 20 occupational experts, August 2023 19. Survey bodies of water to determine navigable channels and to secure data for construction of breakwaters, piers, and other marine structures. Core task · Task 3548 · Rated by 20 occupational experts, August 2023 20. Direct aerial surveys of specified geographical areas. Core task · Task 3549 · Rated by 20 occupational experts, August 2023 21. Conduct research in surveying and mapping methods, using knowledge of photogrammetric map compilation and electronic data processing. Core task · Task 3546 · Rated by 20 occupational experts, August 2023 22. Locate and mark sites selected for geophysical prospecting activities, such as efforts to locate petroleum or other mineral products. Supplemental task · Task 3547 · Rated by 20 occupational experts, August 2023 23. Determine specifications for equipment to be used for aerial photography, as well as altitudes from which to photograph terrain. Supplemental task · Task 3550 · Rated by 20 occupational experts, August 2023 24. Develop criteria for the design and modification of survey instruments. Supplemental task · Task 3545 · Rated by 19 occupational experts, August 2023 ## More in Architecture & Engineering - [Aerospace Engineering and Operations Technologists and Technicians](https://foundation.org.ai/occupations/17-3021.00): 11 tasks - [Aerospace Engineers](https://foundation.org.ai/occupations/17-2011.00): 16 tasks - [Agricultural Engineers](https://foundation.org.ai/occupations/17-2021.00): 14 tasks - [Architects, Except Landscape and Naval](https://foundation.org.ai/occupations/17-1011.00): 24 tasks - [Architectural and Civil Drafters](https://foundation.org.ai/occupations/17-3011.00): 28 tasks - [Automotive Engineering Technicians](https://foundation.org.ai/occupations/17-3027.01): 18 tasks - [Automotive Engineers](https://foundation.org.ai/occupations/17-2141.02): 25 tasks - [Bioengineers and Biomedical Engineers](https://foundation.org.ai/occupations/17-2031.00): 30 tasks - [Calibration Technologists and Technicians](https://foundation.org.ai/occupations/17-3028.00): 15 tasks - 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