- Verify the mathematical correctness of newly collected survey data.
Occupations with related tasks Save Table: XLSX CSV
- Check dimensions of materials to be used and assign numbers to the materials.
- Develop detailed design drawings and specifications for mechanical equipment, dies, tools, and controls, using computer-assisted drafting (CAD) equipment.
- Produce three-dimensional models, using computer-aided design (CAD) software.
- Lay out and draw schematic, orthographic, or angle views to depict functional relationships of components, assemblies, systems, and machines.
- Modify and revise designs to correct operating deficiencies or to reduce production problems.
- Review and analyze specifications, sketches, drawings, ideas, and related data to assess factors affecting component designs and the procedures and instructions to be followed.
- Design scale or full-size blueprints of specialty items, such as furniture and automobile body or chassis components.
- Compute mathematical formulas to develop and design detailed specifications for components or machinery, using computer-assisted equipment.
- Coordinate with and consult other workers to design, lay out, or detail components and systems and to resolve design or other problems.
- Confer with customer representatives to review schematics and answer questions pertaining to installation of systems.
- Position instructions and comments onto drawings.
- Supervise and train other drafters, technologists, and technicians.
- Lay out, draw, and reproduce illustrations for reference manuals and technical publications to describe operation and maintenance of mechanical systems.
- Draw freehand sketches of designs, trace finished drawings onto designated paper for the reproduction of blueprints, and reproduce working drawings on copy machines.
- Shade or color drawings to clarify and emphasize details and dimensions or eliminate background, using ink, crayon, airbrush, and overlays.
- Check dimensions of materials to be used and assign numbers to the materials.
- Verify the accuracy of survey data, including measurements and calculations conducted at survey sites.
- 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.
- Search legal records, survey records, and land titles to obtain information about property boundaries in areas to be surveyed.
- Record the results of surveys, including the shape, contour, location, elevation, and dimensions of land or land features.
- Prepare, or supervise preparation of, all data, charts, plots, maps, records, and documents related to surveys.
- 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.
- Plan and conduct ground surveys designed to establish baselines, elevations, and other geodetic measurements.
- Establish fixed points for use in making maps, using geodetic and engineering instruments.
- Determine longitudes and latitudes of important features and boundaries in survey areas, using theodolites, transits, levels, and satellite-based global positioning systems (GPS).
- 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.
- Survey bodies of water to determine navigable channels and to secure data for construction of breakwaters, piers, and other marine structures.
- Direct aerial surveys of specified geographical areas.
- Locate and mark sites selected for geophysical prospecting activities, such as efforts to locate petroleum or other mineral products.
- 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.
- Verify the accuracy of survey data, including measurements and calculations conducted at survey sites.
- Check dimensions of materials to be used and assign numbers to lists of materials.
- 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.
- Determine procedures and instructions to be followed, according to design specifications and quantity of required materials.
- Supervise or conduct field surveys, inspections, or technical investigations to obtain data required to revise construction drawings.
- 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.
- Check dimensions of materials to be used and assign numbers to lists of materials.
- Compare logic element configuration on display screen with engineering schematics and calculate figures to convert, redesign, or modify element.
- Draft detail and assembly drawings of design components, circuitry or printed circuit boards, using computer-assisted equipment or standard drafting techniques and devices.
- Draft working drawings, wiring diagrams, wiring connection specifications, or cross-sections of underground cables, as required for instructions to installation crew.
- Assemble documentation packages and produce drawing sets to be checked by an engineer or an architect.
- Review completed construction drawings and cost estimates for accuracy and conformity to standards and regulations.
- Consult with engineers to discuss or interpret design concepts, or determine requirements of detailed working drawings.
- Confer with engineering staff and other personnel to resolve problems.
- Measure factors that affect installation and arrangement of equipment, such as distances to be spanned by wire and cable.
- Design electrical systems, such as lighting systems.
- Draw master sketches to scale showing relation of proposed installations to existing facilities and exact specifications and dimensions.
- Review work orders or procedural manuals and confer with vendors or design staff to resolve problems or modify design.
- Locate files relating to specified design project in database library, load program into computer, and record completed job data.
- Examine electronic schematics and supporting documents to develop, compute, and verify specifications for drafting data, such as configuration of parts, dimensions, or tolerances.
- Review blueprints to determine customer requirements and consult with assembler regarding schematics, wiring procedures, or conductor paths.
- Study work order requests to determine type of service, such as lighting or power, demanded by installation.
- Explain drawings to production or construction teams and provide adjustments, as necessary.
- Reproduce working drawings on copy machines or trace drawings in ink.
- Generate computer tapes of final layout design to produce layered photo masks or photo plotting design onto film.
- Determine the order of work and the method of presentation, such as orthographic or isometric drawing.
- Visit proposed installation sites and draw rough sketches of location.
- Key and program specified commands and engineering specifications into computer system to change functions and test final layout.
- Copy drawings of printed circuit board fabrication using print machine or blueprinting procedure.
- Select drill size to drill test head, according to test design and specifications, and submit guide layout to designated department.
- Plot electrical test points on layout sheets and draw schematics for wiring test fixture heads to frames.
- Write technical reports and draw charts that display statistics and data.
- Supervise and coordinate work activities of workers engaged in drafting, designing layouts, assembling, or testing printed circuit boards.
- Train students to use drafting machines and to prepare schematic diagrams, block diagrams, control drawings, logic diagrams, integrated circuit drawings, or interconnection diagrams.
- Prepare and interpret specifications, calculating weights, volumes, or stress factors.
- Supervise or train other technologists, technicians, or drafters.
- Use computer-aided drafting equipment or conventional drafting stations, technical handbooks, tables, calculators, or traditional drafting tools, such as boards, pencils, protractors, or T-squares.
- Compare logic element configuration on display screen with engineering schematics and calculate figures to convert, redesign, or modify element.
- Compare survey computations with applicable standards to determine adequacy of data.
- Position and hold the vertical rods, or targets, that theodolite operators use for sighting to measure angles, distances, and elevations.
- 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.
- 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.
- 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.
- 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.
- Adjust and operate surveying instruments such as prisms, theodolites, electronic distance measuring equipment, or electronic data collectors.
- Collect information needed to carry out new surveys, using source maps, previous survey data, photographs, computer records, or other relevant information.
- 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.
- 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.
- Perform calculations to determine earth curvature corrections, atmospheric impacts on measurements, traverse closures or adjustments, azimuths, level runs, or placement of markers.
- 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.
- Record survey measurements or descriptive data, using notes, drawings, sketches, or inked tracings.
- Search for section corners, property irons, or survey points.
- Set out and recover stakes, marks, or other monumentation.
- Supervise or coordinate activities of workers engaged in surveying, plotting data, drafting maps, or producing blueprints, photostats, or photographs.
- Compare survey computations with applicable standards to determine adequacy of data.
