- Record survey measurements or descriptive data, using notes, drawings, sketches, or inked tracings.
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- 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.
- Conduct research in surveying and mapping methods, using knowledge of photogrammetric map compilation and electronic data processing.
- 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.
- 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.
- Respond to public suggestions and complaints.
- Negotiate with contractors on prices for new contracts or modifications to existing contracts.
- 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.
- 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.
- Conduct field surveys or study maps, graphs, diagrams, or other data to identify and correct power system problems.
- Design, implement, maintain, or improve electrical instruments, equipment, facilities, components, products, or systems for commercial, industrial, or domestic purposes.
- Oversee project production efforts to assure projects are completed on time and within budget.
- Direct or coordinate manufacturing, construction, installation, maintenance, support, documentation, or testing activities to ensure compliance with specifications, codes, or customer requirements.
- Perform detailed calculations to compute and establish manufacturing, construction, or installation standards or specifications.
- Operate computer-assisted engineering or design software or equipment to perform engineering tasks.
- Confer with engineers, customers, or others to discuss existing or potential engineering projects or products.
- Investigate or test vendors' or competitors' products.
- Inspect completed installations and observe operations to ensure conformance to design and equipment specifications and compliance with operational, safety, or environmental standards.
- Investigate customer or public complaints to determine the nature and extent of problems.
- Prepare technical drawings, specifications of electrical systems, or topographical maps to ensure that installation and operations conform to standards and customer requirements.
- Compile data and write reports regarding existing or potential electrical engineering studies or projects.
- Prepare specifications for purchases of materials or equipment.
- Estimate labor, material, or construction costs for budget preparation purposes.
- Plan or implement research methodology or procedures to apply principles of electrical theory to engineering projects.
- Supervise or train project team members, as necessary.
- Assist in developing capital project programs for new equipment or major repairs.
- Collect data relating to commercial or residential development, population, or power system interconnection to determine operating efficiency of electrical systems.
- Develop systems that produce electricity with renewable energy sources, such as wind, solar, or biofuels.
- Develop software to control electrical systems.
- Integrate electrical systems with renewable energy systems to improve overall efficiency.
- Design electrical systems or components that minimize electric energy requirements, such as lighting systems designed to account for natural lighting.
- Conduct field surveys or study maps, graphs, diagrams, or other data to identify and correct power system problems.
- 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.
- 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.
