Occupation information for Surveying and Mapping Technicians District Of Columbia

description

Perform surveying and mapping duties, usually under the direction of an engineer, surveyor, cartographer, or photogrammetrist, to obtain data used for construction, mapmaking, boundary location, mining, or other purposes. May calculate mapmaking information and create maps from source data, such as surveying notes, aerial photography, satellite data, or other maps to show topographical features, political boundaries, and other features. May verify accuracy and completeness of maps.

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details

Currently Employed: 40

Projected Annual Job Openings: 0

Typical Hourly Wage: Not Available

Typical Annual Salary: Not Available

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typical training

Typical education needed for entry: High school diploma or equivalent

Typical work experience needed for a job in this occupation: No work experience

Typical on-the-job training once you have a job in this occupation: 1 to 12 months on-the-job training

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typical job duties
  • 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.
  • Compare survey computations with applicable standards to determine adequacy of data.
tools & technology
Tools:
  • Distance meters
  • Levels
  • Portable data input terminals
  • Sonars
  • Theodolites

Technology:
  • Analytical or scientific software
  • Computer aided design CAD software
  • Geographic information system
  • Graphics or photo imaging software
  • Map creation software