National Occupational Classification (NOC) 2021 Version 1.0


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74204 - Utility maintenance workers

Utility maintenance workers locate, repair, install and perform maintenance work to various equipment and facilities, such as water filtration and distribution plants, waste water treatment plants and power plants. They may also work on exterior and underground gas mains and distribution lines. They are employed by municipal, provincial and federal public works departments, private contractors under contract with government public works departments and gas distribution companies.

  • Illustrative example(s)

    • gas leak locator
    • gas maintenance worker
    • gas utility operator
    • pipeline maintenance worker
    • pipeline patrolman/woman
    • power pole inspector
    • utility locator
    • utility plant maintenance worker
    • waterworks maintenance worker

    All examples

  • Exclusion(s)

    • Gas fitters (See 72302 Gas fitters)
    • Localiser - linguistic (See 51114 Translators, terminologists and interpreters)
    • Supervisors, petroleum, gas and chemical processing and utilities (See 92011 Supervisors, petroleum, gas and chemical processing and utilities)
    • Water and waste treatment plant operators (See 92101 Water and waste treatment plant operators)
  • Main duties

    This group performs some or all of the following duties:

    Waterworks maintenance workers

    • Check, clean and lubricate waterworks equipment, such as pumping equipment, chlorination equipment and compressors
    • Adjust and repair waterworks equipment under the direction of qualified tradesperson
    • Search and locate reported water leaks and repair water-mains, valves or outlets
    • Install water meters using hand and power tools.

    Gas maintenance workers

    • Check and lubricate gas pipeline valves
    • Conduct routine survey of gas mains and distribution lines to detect and locate escaping gas using gas detecting devices
    • Investigate reports of gas leaks to determine the exact location and extent of leaks
    • Dig ground to expose gas lines and repair damaged pipes
    • Keep record of work performed and location and condition of pipelines
    • Provide information on underground gas distribution lines and observe excavation work to ensure that underground gas facilities are protected.

    Other utility workers

    • Operate equipment and instruments to locate and mark underground utility lines and pipes
    • Provide information on underground utility lines
    • Operate equipment and hand tools to inspect and test utility poles for decay and deterioration.
  • Employment requirements

    • Completion of secondary school may be required.
    • Several years of experience as a labourer in the same company may be required.
    • On-the-job training is provided.
    • Drinking water certification is required in Quebec and Ontario for waterworks maintenance workers.
  • Additional information

    • Mobility between jobs in this unit group normally occurs within the same area of work, such as within waste water treatment plants, within water filtration and distribution plants or within gas distribution plants.
    • Progression to supervisory positions is possible with experience.
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