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NOC Code: NOC Code: 7442 Occupation: Waterworks and gas maintenance workers
Occupation Description: Occupation Description:
Waterworks maintenance workers maintain and repair waterworks equipment and facilities. They are employed in water filtration and distribution plants and waste treatment plants. Gas maintenance workers check and perform routine maintenance and minor repairs to exterior and underground gas mains and distribution lines. They are employed by gas distribution companies. Waterworks maintenance workers maintain and repair waterworks equipment and facilities. They are employed in water filtration and distribution plants and waste treatment plants. Gas maintenance workers check and perform routine maintenance and minor repairs to exterior and underground gas mains and distribution lines. They are employed by gas distribution companies.

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Table will display the Skill Level for the Noc specified
Essential Skills Essential Skills Levels
Reading Reading 1 2 3 4
Writing Writing 1 2 3
Document Use Document Use 1 2 3
Digital Technology Digital Technology 1 2
Oral Communication Oral Communication 1 2
Money Math Money Math 1 2
Scheduling or Budgeting and Accounting Scheduling or Budgeting and Accounting 1 2
Measurement and Calculation Measurement and Calculation 1 2 3
Data Analysis Data Analysis 1
Numerical Estimation Numerical Estimation 1 2
Job Task Planning and Organizing Job Task Planning and Organizing 1 2 3
Decision Making Decision Making 1 2 3 4
Problem Solving Problem Solving 1 2 3
Finding Information Finding Information 1 2 3

  • The skill levels represented in the above chart illustrate the full range of sample tasks performed by experienced workers and not individuals preparing for or entering this occupation for the first time.
  • Note that some occupational profiles do not include all Numeracy and Thinking Essential Skills.

If you would like to print a copy of the chart and sample tasks, click on the "Print Occupational Profile" button at the top of the page.

  • Read service orders which include the customer's name, address, the item to be installed and the location of other utility lines. (1)
  • Read company standards in a standard practice instruction book. (2)
  • Read memos and notes from head office explaining new policies. (2)
  • Read manuals such as the Plastic Pipe Manual or the Emergency Procedures Manual. (3)
  • Refer to trade journals to keep up-to-date on processes and technologies. (3)
  • Read regulations for installing water meters and other equipment. (3)
  • Refer to textbooks from water and waste management courses to find information on waste management systems and testing standards. (4)
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  • Complete water flow and pump activity charts, indicating problems or discrepancies. (1)
  • Write a shift log indicating work completed and special notes regarding follow-up which is required. (1)
  • Complete purchase order forms to obtain equipment. (1)
  • Write safety reports, using a standard format. (2)
  • Write incident reports to describe unusual events at the job site, such as damage to a water line, and justifying actions taken to resolve problems. (3)
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Document Use
  • Fill in a parts list for each job, recording quantities, types, work order numbers and dates. (1)
  • Fill in a reporting card to record information on excavations, locations, parts types and sizes. (1)
  • Read identification labels on valves. (1)
  • Complete a safety check off sheet relating to equipment and truck safety. Some check off sheets include up to 50 items. (2)
  • Read work orders which provide instructions and special cautions. (2)
  • Refer to gear and piping charts to determine what sizes will produce optimum efficiency. (2)
  • Read Workplace Hazardous Materials Information System (WHMIS) labels on compounds for pipe cleaning. (2)
  • Complete inspection report forms. (2)
  • Refer to tables to identify pipe sizes and specifications for chlorination of water. (2)
  • Read manufacturing assembly drawings when repairing a pump. (3)
  • Read schematic drawings of the pumping system for the reservoirs. (3)
  • Obtain information from customer service graphs and graphs showing changes in water use over a year. (3)
  • Read blueprints and city plans to determine the location of gas mains and utility lines. (3)
  • Consult and interpret scale drawings to determine how deep a pipe should be laid. (3)
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Digital Technology
  • Use computer applications. For example, read and respond to lights on a control centre panel indicating low pump or reservoir levels. Consult a computerized mapping system which indicates the parts of the water distribution system. Use a hand-held meter reader. (1)
  • Use a spreadsheet. For example, produce tables. (2)
  • Use graphics software. For example, access customer service graphs. (2)
  • Use a database. For example, order supplies from a computerized supply catalogue. (2)
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Oral Communication
  • Communicate with co-workers arriving for the next shift to discuss problems or to explain why the work site has not been cleaned up. (1)
  • Talk to suppliers and manufacturers to get information on parts and to order materials. (1)
  • Discuss with the crew chief the work to be done and the division of tasks. (1)
  • Interact with customers when completing a repair or maintaining equipment. (2)
  • Talk to the dispatcher to clarify work order information. (2)
  • Direct and reassure members of the public during an evacuation emergency. (2)
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Money Math
  • Calculate charges and applicable taxes for billing jobs. (2)
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Scheduling or Budgeting and Accounting
  • Prepare schedules outlining crew time allotments and the amounts and costs of materials required for a job. (2)
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Measurement and Calculation
  • Measure lengths of piping. (1)
  • Calculate the area and volume of roads that have been dug up during a job. (2)
  • Calculate the rise and fall of a pipe over a distance in order to determine where two pipes will meet. (3)
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Data Analysis
  • Monitor and compare readings of flow and pressure from several pumps. (1)
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Numerical Estimation
  • Estimate the distance to be dug to locate underground water mains. (1)
  • Estimate the quantity of materials and parts which will be needed at the job site. (2)
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Job Task Planning and Organizing
  • Waterworks and gas maintenance workers may be initially called by dispatchers. They receive work orders from crew foremen at the work site. Given the many diverse situations and problems involving maintenance of gas and water systems, tasks are varied and unpredictable from day to day. (3)
  • Waterworks and gas maintenance workers co-ordinate their work with other utility workers to ensure that the other workers arrive at the site at the appropriate time. Because of the lack of routine in the job, it is difficult to plan ahead; however, workers try to have a variety of equipment so they will not be delayed by supply shortages. (3)
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Decision Making
  • Decide where to start digging and whether the truck carting away fill should return with a load of gravel. (1)
  • Decide whether to run a pipe across the lawn or beside a sidewalk. (1)
  • Decide whether to bend a pipe or to use an elbow when pipes do not line up properly. (2)
  • Decide where to drill to allow gas out of the ground in the neighbourhood of a gas leak. (3)
  • Decide what emergency resources are required in the event of a gas leak. (4)
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Problem Solving
  • The chlorine injection system is faulty and the tanks are not emptying as they should. Call upon co-workers to assist in a quick repair so that unchlorinated water will not enter the city water system. (1)
  • A request has been received to check a residence which has low or no water pressure. Look up specifications for the street, check valves to ensure they are functional and determine what repairs are needed, based on the cause of the pressure failure. (2)
  • An underground hydro cable has been hit when digging for the gas line. Assess the immediate damage, such as disrupting the street's power source, and determine a new route for the backhoe. (2)
  • An emergency situation has occurred, such as a broken gas line on a downtown street. Quickly turn off the gas supply and assess the risk to the public. (3)
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Finding Information
  • Refer to a code book for information on equipment and supplies. (1)
  • Contact other utility companies to get assistance in identifying underground lines. (2)
  • Check present and previous work orders to obtain details of work done at a particular site. (2)
  • Refer to maps and blueprints in the district's archives to find locations of old water mains and water meters. (3)
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