- Conduct field surveys or study maps, graphs, diagrams, or other data to identify and correct power system problems.
Occupations with related tasks Save Table: XLSX CSV
- Position and hold the vertical rods, or targets, that theodolite operators use for sighting to measure angles, distances, and elevations.
- 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.
- Record survey measurements or descriptive data, using notes, drawings, sketches, or inked tracings.
- Set out and recover stakes, marks, or other monumentation.
- Calculate latitudes, longitudes, angles, areas, or other information for mapmaking, using survey field notes or reference tables.
- Compare topographical features or contour lines with images from aerial photographs, old maps, or other reference materials to verify the accuracy of their identification.
- Adjust and operate surveying instruments such as prisms, theodolites, electronic distance measuring equipment, or electronic data collectors.
- Perform calculations to determine earth curvature corrections, atmospheric impacts on measurements, traverse closures or adjustments, azimuths, level runs, or placement of markers.
- Check all layers of maps to ensure accuracy, identifying and marking errors and making corrections.
- Design or develop information databases that include geographic or topographic data.
- Monitor mapping work or the updating of maps to ensure accuracy, inclusion of new or changed information, or compliance with rules and regulations.
- Produce or update overlay maps to show information boundaries, water locations, or topographic features on various base maps or at different scales.
- Determine scales, line sizes, or colors to be used for hard copies of computerized maps, using plotters.
- Compile information necessary to stake projects for construction, using engineering plans.
- Identify and compile database information to create requested maps.
- Operate and manage land-information computer systems, performing tasks such as storing data, making inquiries, and producing plots and reports.
- Compare survey computations with applicable standards to determine adequacy of data.
- Analyze aerial photographs to detect and interpret significant military, industrial, resource, or topographical data.
- Research and combine existing property information to describe property boundaries in relation to adjacent properties, taking into account parcel splits, combinations, or land boundary adjustments.
- Trace contours or topographic details to generate maps that denote specific land or property locations or geographic attributes.
- Provide assistance in the development of methods and procedures for conducting field surveys.
- Trim, align, and join prints to form photographic mosaics, maintaining scaled distances between reference points.
- Answer questions and provide information to the public or to staff members regarding assessment maps, surveys, boundaries, easements, property ownership, roads, zoning, or similar matters.
- Complete detailed source and method notes describing the location of routine or complex land parcels.
- Collect information needed to carry out new surveys, using source maps, previous survey data, photographs, computer records, or other relevant information.
- 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.
- Prepare cost estimates for mapping projects.
- Prepare topographic or contour maps of land surveyed, including site features and other relevant information, such as charts, drawings, and survey notes.
- Search for section corners, property irons, or survey points.
- Supervise or coordinate activities of workers engaged in surveying, plotting data, drafting maps, or producing blueprints, photostats, or photographs.
- Position and hold the vertical rods, or targets, that theodolite operators use for sighting to measure angles, distances, and elevations.
- 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.
- Record survey measurements or descriptive data, using notes, drawings, sketches, or inked tracings.
- Set out and recover stakes, marks, or other monumentation.
- Calculate latitudes, longitudes, angles, areas, or other information for mapmaking, using survey field notes or reference tables.
- Compare topographical features or contour lines with images from aerial photographs, old maps, or other reference materials to verify the accuracy of their identification.
- Adjust and operate surveying instruments such as prisms, theodolites, electronic distance measuring equipment, or electronic data collectors.
- Perform calculations to determine earth curvature corrections, atmospheric impacts on measurements, traverse closures or adjustments, azimuths, level runs, or placement of markers.
- Record the results of surveys, including the shape, contour, location, elevation, and dimensions of land or land features.
- Plan and conduct ground surveys designed to establish baselines, elevations, and other geodetic measurements.
- Survey bodies of water to determine navigable channels and to secure data for construction of breakwaters, piers, and other marine structures.
- Locate and mark sites selected for geophysical prospecting activities, such as efforts to locate petroleum or other mineral products.
- Compute geodetic measurements and interpret survey data to determine positions, shapes, and elevations of geomorphic and topographic features.
- Calculate heights, depths, relative positions, property lines, and other characteristics of terrain.
- Determine longitudes and latitudes of important features and boundaries in survey areas, using theodolites, transits, levels, and satellite-based global positioning systems (GPS).
- Direct or conduct surveys to establish legal boundaries for properties, based on legal deeds and titles.
- Prepare and maintain sketches, maps, reports, and legal descriptions of surveys to describe, certify, and assume liability for work performed.
- Write descriptions of property boundary surveys for use in deeds, leases, or other legal documents.
- Verify the accuracy of survey data, including measurements and calculations conducted at survey sites.
- Search legal records, survey records, and land titles to obtain information about property boundaries in areas to be surveyed.
- Prepare, or supervise preparation of, all data, charts, plots, maps, records, and documents related to surveys.
- Establish fixed points for use in making maps, using geodetic and engineering instruments.
- Train assistants and helpers, and direct their work in such activities as performing surveys or drafting maps.
- Coordinate findings with the work of engineering and architectural personnel, clients, and others concerned with projects.
- Analyze survey objectives and specifications to prepare survey proposals or to direct others in survey proposal preparation.
- Testify as an expert witness in court cases on land survey issues, such as property boundaries.
- Adjust surveying instruments to maintain their accuracy.
- Develop criteria for survey methods and procedures.
- Direct aerial surveys of specified geographical areas.
- Determine specifications for equipment to be used for aerial photography, as well as altitudes from which to photograph terrain.
- Develop criteria for the design and modification of survey instruments.
- Conduct research in surveying and mapping methods, using knowledge of photogrammetric map compilation and electronic data processing.
- Record the results of surveys, including the shape, contour, location, elevation, and dimensions of land or land features.
- Plan and conduct ground surveys designed to establish baselines, elevations, and other geodetic measurements.
- Survey bodies of water to determine navigable channels and to secure data for construction of breakwaters, piers, and other marine structures.
- Locate and mark sites selected for geophysical prospecting activities, such as efforts to locate petroleum or other mineral products.
- Compute geodetic measurements and interpret survey data to determine positions, shapes, and elevations of geomorphic and topographic features.
- Calculate heights, depths, relative positions, property lines, and other characteristics of terrain.
- Determine longitudes and latitudes of important features and boundaries in survey areas, using theodolites, transits, levels, and satellite-based global positioning systems (GPS).
- Conduct surveys to determine exact positions, measurement of points, elevations, lines, areas, volumes, contours, or other features of land surfaces.
- Determine orientation of tracts of land, including position, boundaries, size, and shape, using theodolites, electronic distance-measuring equipment, satellite-based positioning equipment, land information systems, or other geodetic survey equipment.
- Calculate the exact horizontal and vertical position of points on the Earth's surface.
- Compute horizontal and vertical coordinates of control networks, using direct leveling or other geodetic survey techniques, such as triangulation, trilateration, and traversing, to establish features of the Earth's surface.
- Compute, retrace, or adjust existing surveys of features such as highway alignments, property boundaries, utilities, control and other surveys to match the ground elevation-dependent grids, geodetic grids, or property boundaries and to ensure accuracy and continuity of data used in engineering, surveying, or construction projects.
- Analyze control or survey data to ensure adherence to project specifications or land survey standards.
- Maintain databases of geodetic and related information, including coordinate, descriptive, or quality assurance data.
- Verify the mathematical correctness of newly collected survey data.
- Plan or direct the work of geodetic surveying staff, providing technical consultation as needed.
- Assess the quality of control data to determine the need for additional survey data for engineering, construction, or other projects.
- Distribute compiled geodetic data to government agencies or the general public.
- Request additional survey data when field collection errors occur or engineering surveying specifications are not maintained.
- Read current literature, talk with colleagues, continue education, or participate in professional organizations or conferences to keep abreast of developments in technology, equipment, or systems.
- Provide training and interpretation in the use of methods or procedures for observing and checking controls for geodetic and plane coordinates.
- Prepare progress or technical reports.
- Review existing standards, controls, or equipment used, recommending changes or upgrades as needed.
- Conduct surveys to determine exact positions, measurement of points, elevations, lines, areas, volumes, contours, or other features of land surfaces.
- Determine orientation of tracts of land, including position, boundaries, size, and shape, using theodolites, electronic distance-measuring equipment, satellite-based positioning equipment, land information systems, or other geodetic survey equipment.
- Calculate the exact horizontal and vertical position of points on the Earth's surface.
- Compute horizontal and vertical coordinates of control networks, using direct leveling or other geodetic survey techniques, such as triangulation, trilateration, and traversing, to establish features of the Earth's surface.
- Compute, retrace, or adjust existing surveys of features such as highway alignments, property boundaries, utilities, control and other surveys to match the ground elevation-dependent grids, geodetic grids, or property boundaries and to ensure accuracy and continuity of data used in engineering, surveying, or construction projects.
- Collect information about specific features of the Earth, using aerial photography and other digital remote sensing techniques.
- Travel over photographed areas to observe, identify, record, and verify all relevant features.
- Identify, scale, and orient geodetic points, elevations, and other planimetric or topographic features, applying standard mathematical formulas.
- Compile data required for map preparation, including aerial photographs, survey notes, records, reports, and original maps.
- Delineate aerial photographic detail, such as control points, hydrography, topography, and cultural features, using precision stereoplotting apparatus or drafting instruments.
- Prepare and alter trace maps, charts, tables, detailed drawings, and three-dimensional optical models of terrain using stereoscopic plotting and computer graphics equipment.
- Study legal records to establish boundaries of local, national, and international properties.
- Inspect final compositions to ensure completeness and accuracy.
- Revise existing maps and charts, making all necessary corrections and adjustments.
- Examine and analyze data from ground surveys, reports, aerial photographs, and satellite images to prepare topographic maps, aerial-photograph mosaics, and related charts.
- Build and update digital databases.
- Determine map content and layout, as well as production specifications such as scale, size, projection, and colors, and direct production to ensure that specifications are followed.
- Determine guidelines that specify which source material is acceptable for use.
- Select aerial photographic and remote sensing techniques and plotting equipment needed to meet required standards of accuracy.
- Collect information about specific features of the Earth, using aerial photography and other digital remote sensing techniques.
- Travel over photographed areas to observe, identify, record, and verify all relevant features.
- Identify, scale, and orient geodetic points, elevations, and other planimetric or topographic features, applying standard mathematical formulas.
- Plan and conduct field surveys to locate new sites and analyze details of project sites.
- Calculate dimensions, square footage, profile and component specifications, and material quantities, using calculator or computer.
- Read and review project blueprints and structural specifications to determine dimensions of structure or system and material requirements.
- Draft detailed dimensional drawings and design layouts for projects to ensure conformance to specifications.
- Confer with supervisor to determine project details such as plan preparation, acceptance testing, and evaluation of field conditions.
- Analyze proposed site factors and design maps, graphs, tracings, and diagrams to illustrate findings.
- Prepare reports and document project activities and data.
- Report maintenance problems occurring at project site to supervisor and negotiate changes to resolve system conflicts.
- Inspect project site and evaluate contractor work to detect design malfunctions and ensure conformance to design specifications and applicable codes.
- Conduct materials test and analysis, using tools and equipment and applying engineering knowledge.
- Develop plans and estimate costs for installation of systems, utilization of facilities, or construction of structures.
- Develop project budgets by estimating the cost of project activities.
- Evaluate facility to determine suitability for occupancy and square footage availability.
- Negotiate with contractors on prices for new contracts or modifications to existing contracts.
- Respond to public suggestions and complaints.
- Plan and conduct field surveys to locate new sites and analyze details of project sites.
- Direct or participate in surveying to lay out installations or establish reference points, grades, or elevations to guide construction.
- Direct engineering activities, ensuring compliance with environmental, safety, or other governmental regulations.
- Manage and direct the construction, operations, or maintenance activities at project site.
- Inspect project sites to monitor progress and ensure conformance to design specifications and safety or sanitation standards.
- Compute load and grade requirements, water flow rates, or material stress factors to determine design specifications.
- Plan and design transportation or hydraulic systems or structures, using computer-assisted design or drawing tools.
- Provide technical advice to industrial or managerial personnel regarding design, construction, program modifications, or structural repairs.
- Analyze survey reports, maps, drawings, blueprints, aerial photography, or other topographical or geologic data.
- Estimate quantities and cost of materials, equipment, or labor to determine project feasibility.
- Prepare or present public reports on topics such as bid proposals, deeds, environmental impact statements, or property and right-of-way descriptions.
- Design energy-efficient or environmentally sound civil structures.
- Test soils or materials to determine the adequacy and strength of foundations, concrete, asphalt, or steel.
- Identify environmental risks and develop risk management strategies for civil engineering projects.
- Conduct studies of traffic patterns or environmental conditions to identify engineering problems and assess potential project impact.
- Analyze manufacturing processes or byproducts to identify engineering solutions to minimize the output of carbon or other pollutants.
- Develop or implement engineering solutions to clean up industrial accidents or other contaminated sites.
- Design or engineer systems to efficiently dispose of chemical, biological, or other toxic wastes.
- Direct or participate in surveying to lay out installations or establish reference points, grades, or elevations to guide construction.
- Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
- Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
- Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
- Communicate with workers on the surface while underwater, using signal lines or telephones.
- Descend into water with the aid of diver helpers, using scuba gear or diving suits.
- Obtain information about diving tasks and environmental conditions.
- Supervise or train other divers, including hobby divers.
- Inspect the condition of underwater steel or wood structures.
- Inspect and test docks, ships, buoyage systems, plant intakes or outflows, or underwater pipelines, cables, or sewers, using closed circuit television, still photography, and testing equipment.
- Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
- Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
- Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
- Take test samples or photographs to assess the condition of vessels or structures.
- Cut and weld steel, using underwater welding equipment, jigs, and supports.
- Install, inspect, clean, or repair piping or valves.
- Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
- Install pilings or footings for piers or bridges.
- Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
- Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
- Set or guide placement of pilings or sandbags to provide support for structures, such as docks, bridges, cofferdams, or platforms.
- Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
- Drill holes in rock and rig explosives for underwater demolitions.
- Remove rubbish or pollution from the sea.
- Set up dive sites for recreational instruction.
- Cultivate or harvest marine species or perform routine work on fish farms.
- Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
- Supervise or conduct field surveys, inspections, or technical investigations to obtain data required to revise construction drawings.
- Produce drawings, using computer-assisted drafting systems (CAD) or drafting machines, or by hand, using compasses, dividers, protractors, triangles, and other drafting devices.
- Draft plans and detailed drawings for structures, installations, and construction projects, such as highways, sewage disposal systems, and dikes, working from sketches or notes.
- Coordinate structural, electrical, and mechanical designs and determine a method of presentation to graphically represent building plans.
- Analyze building codes, by-laws, space and site requirements, and other technical documents and reports to determine their effect on architectural designs.
- Draw maps, diagrams, and profiles, using cross-sections and surveys, to represent elevations, topographical contours, subsurface formations, and structures.
- Lay out and plan interior room arrangements for commercial buildings, using computer-assisted drafting (CAD) equipment and software.
- Supervise and train other technologists, technicians, and drafters.
- Determine the order of work and method of presentation, such as orthographic or isometric drawing.
- Finish and duplicate drawings and documentation packages according to required mediums and specifications for reproduction, using blueprinting, photography, or other duplicating methods.
- Draw rough and detailed scale plans for foundations, buildings, and structures, based on preliminary concepts, sketches, engineering calculations, specification sheets, and other data.
- Correlate, interpret, and modify data obtained from topographical surveys, well logs, and geophysical prospecting reports.
- Check dimensions of materials to be used and assign numbers to lists of materials.
- Determine procedures and instructions to be followed, according to design specifications and quantity of required materials.
- Explain drawings to production or construction teams and provide adjustments as necessary.
- Obtain and assemble data to complete architectural designs, visiting job sites to compile measurements as necessary.
- Determine quality, cost, strength, and quantity of required materials, and enter figures on materials lists.
- Locate and identify symbols on topographical surveys to denote geological and geophysical formations or oil field installations.
- Create freehand drawings and lettering to accompany drawings.
- Calculate excavation tonnage and prepare graphs and fill-hauling diagrams for use in earth-moving operations.
- Prepare colored drawings of landscape and interior designs for presentation to client.
- Calculate weights, volumes, and stress factors and their implications for technical aspects of designs.
- Plot characteristics of boreholes for oil and gas wells from photographic subsurface survey recordings and other data, representing depth, degree, and direction of inclination.
- Reproduce drawings on copy machines or trace copies of plans and drawings, using transparent paper or cloth, ink, pencil, and standard drafting instruments.
- Calculate heat loss and gain of buildings and structures to determine required equipment specifications, following standard procedures.
- Prepare cost estimates, contracts, bidding documents, and technical reports for specific projects under an architect's or engineer's supervision.
- Represent architect or engineer on construction site, ensuring builder compliance with design specifications and advising on design corrections, under supervision.
- Review rough sketches, drawings, specifications, and other engineering data to ensure that they conform to design concepts.
- Supervise or conduct field surveys, inspections, or technical investigations to obtain data required to revise construction drawings.
