# Plumbers, Pipefitters, and Steamfitters

> Assemble, install, alter, and repair pipelines or pipe systems that carry water, steam, air, or other liquids or gases. May install heating and cooling equipment and mechanical control systems. Includes sprinkler fitters.

- Code: 47-2152.00 (O*NET-SOC; SOC 2018 47-2152)
- Family: [Construction & Extraction](https://foundation.org.ai/occupations#family-47), one of its 65 occupations
- Tasks: 30 tasks (24 core and 6 supplemental)
- Page: https://foundation.org.ai/occupations/47-2152.00
- JSON: https://foundation.org.ai/data/tasks/47-2152.00.json

## What the work is made of

1. Shut off steam, water, or other gases or liquids from pipe sections, using valve keys or wrenches.  
   Core task · Task 23469 · Rated by 54 people who do the job, August 2022
2. Install underground storm, sanitary, or water piping systems, extending piping as needed to connect fixtures and plumbing.  
   Core task · Task 23478 · Rated by 65 people who do the job, August 2022
3. Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.  
   Core task · Task 23466 · Rated by 67 people who do the job, August 2022
4. Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.  
   Core task · Task 23474 · Rated by 68 people who do the job, August 2022
5. Cut, thread, or hammer pipes to specifications, using tools such as saws, cutting torches, pipe threaders, or pipe benders.  
   Core task · Task 23459 · Rated by 55 people who do the job, August 2022
6. Lay out full scale drawings of pipe systems, supports, or related equipment, according to blueprints.  
   Core task · Task 23460 · Rated by 55 people who do the job, August 2022
7. Plan pipe system layout, installation, or repair, according to specifications.  
   Core task · Task 23462 · Rated by 55 people who do the job, August 2022
8. Review blueprints, building codes, or specifications to determine work details or procedures.  
   Core task · Task 23475 · Rated by 66 people who do the job, August 2022
9. Select pipe sizes, types, or related materials, such as supports, hangers, or hydraulic cylinders, according to specifications.  
   Core task · Task 23465 · Rated by 54 people who do the job, August 2022
10. Fill pipes or plumbing fixtures with water or air and observe pressure gauges to detect and locate leaks.  
   Core task · Task 23472 · Rated by 67 people who do the job, August 2022
11. Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.  
   Core task · Task 23471 · Rated by 68 people who do the job, August 2022
12. Inspect, examine, or test installed systems or pipe lines, using pressure gauge, hydrostatic testing, observation, or other methods.  
   Core task · Task 23461 · Rated by 55 people who do the job, August 2022
13. Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks or toilets, using hand or power tools.  
   Core task · Task 23467 · Rated by 68 people who do the job, August 2022
14. Anchor steel supports from ceiling joists to hold pipes in place.  
   Core task · Task 23476 · Rated by 68 people who do the job, August 2022
15. Attach pipes to walls, structures, or fixtures, such as radiators or tanks, using brackets, clamps, tools, or welding equipment.  
   Core task · Task 23463 · Rated by 55 people who do the job, August 2022
16. Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.  
   Core task · Task 23464 · Rated by 55 people who do the job, August 2022
17. Install automatic controls to regulate pipe systems.  
   Core task · Task 23468 · Rated by 54 people who do the job, August 2022
18. Estimate time, material, or labor costs for use in project plans.  
   Core task · Task 23477 · Rated by 67 people who do the job, August 2022
19. Keep records of work assignments.  
   Core task · Task 23470 · Rated by 68 people who do the job, August 2022
20. Inspect structures to assess material or equipment needs, to establish the sequence of pipe installations, or to plan installation around obstructions, such as electrical wiring.  
   Core task · Task 23479 · Rated by 66 people who do the job, August 2022
21. Maintain or repair plumbing by replacing defective washers, replacing or mending broken pipes, or opening clogged drains.  
   Core task · Task 23473 · Rated by 67 people who do the job, August 2022
22. Repair or remove and replace system components.  
   Core task · Task 23488 · Rated by 54 people who do the job, August 2022
23. Cut openings in structures to accommodate pipes or pipe fittings, using hand or power tools.  
   Core task · Task 23481 · Rated by 67 people who do the job, August 2022
24. Install green plumbing equipment, such as faucet flow restrictors, dual-flush or pressure-assisted flush toilets, or tankless hot water heaters.  
   Core task · Task 23480 · Rated by 68 people who do the job, August 2022
25. Inspect work sites for obstructions or holes that could cause structural weakness.  
   Supplemental task · Task 23482 · Rated by 55 people who do the job, August 2022
26. Install pipe systems to support alternative energy-fueled systems, such as geothermal heating or cooling systems.  
   Supplemental task · Task 23484 · Rated by 54 people who do the job, August 2022
27. Install fixtures, appliances, or equipment designed to reduce water or energy consumption.  
   Supplemental task · Task 23483 · Rated by 54 people who do the job, August 2022
28. Repair hydraulic or air pumps.  
   Supplemental task · Task 23487 · Rated by 52 people who do the job, August 2022
29. Weld small pipes or special piping, using specialized techniques, equipment, or materials, such as computer-assisted welding or microchip fabrication.  
   Supplemental task · Task 23485 · Rated by 67 people who do the job, August 2022
30. Operate motorized pumps to remove water from flooded manholes, basements, or facility floors.  
   Supplemental task · Task 23486 · Rated by 55 people who do the job, August 2022

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## Where this comes from

Quoted from O*NET 29.0, U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0: free to copy and reuse, with credit. Nothing on this page is written by the Org.AI Foundation.