Apprentices complete a required number of hours
in on-the-job training and related instruction.
in on-the-job training and related instruction.
Plumber
Anonymous
National (OA)
Work Process Content
On the Job Training
Anonymous
8K
OJT hours
Install plumbing or piping.
6
1.8K
Install plumbing or piping.
6
1.8K
- Attach pipes to walls, structures, or fixtures, such as radiators or tanks, using brackets, clamps, tools, or welding equipment.
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Install pipe assemblies, fittings, valves, appliances such as dishwashers or water heaters, or fixtures such as sinks or toilets, using hand or power tools.
- Anchor steel supports from ceiling joists to hold pipes in place.
- Install underground storm, sanitary, or water piping systems, extending piping as needed to connect fixtures and plumbing.
- Install pipe systems to support alternative energy-fueled systems, such as geothermal heating or cooling systems.
Maintain plumbing structures or fixtures.
3
800
Maintain plumbing structures or fixtures.
3
800
- Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.
- Shut off steam, water, or other gases or liquids from pipe sections, using valve keys or wrenches.
- Maintain or repair plumbing by replacing defective washers, replacing or mending broken pipes, or opening clogged drains.
Weld metal components.
3
900
Weld metal components.
3
900
- Attach pipes to walls, structures, or fixtures, such as radiators or tanks, using brackets, clamps, tools, or welding equipment.
- Assemble pipe sections, tubing, or fittings, using couplings, clamps, screws, bolts, cement, plastic solvent, caulking, or soldering, brazing, or welding equipment.
- Weld small pipes or special piping, using specialized techniques, equipment, or materials, such as computer-assisted welding or microchip fabrication.
Mark reference points on construction materials.
1
200
Mark reference points on construction materials.
1
200
- Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.
Measure materials or objects for installation or assembly.
1
200
Measure materials or objects for installation or assembly.
1
200
- Locate and mark the position of pipe installations, connections, passage holes, or fixtures in structures, using measuring instruments such as rulers or levels.
Create construction or installation diagrams.
1
300
Create construction or installation diagrams.
1
300
- Lay out full scale drawings of pipe systems, supports, or related equipment, according to blueprints.
Cut metal components for installation.
1
300
Cut metal components for installation.
1
300
- Cut, thread, or hammer pipes to specifications, using tools such as saws, cutting torches, pipe threaders, or pipe benders.
Fabricate parts or components.
1
300
Fabricate parts or components.
1
300
- Cut, thread, or hammer pipes to specifications, using tools such as saws, cutting torches, pipe threaders, or pipe benders.
Plan layout of construction, installation, or repairs.
1
200
Plan layout of construction, installation, or repairs.
1
200
- Plan pipe system layout, installation, or repair, according to specifications.
Inspect plumbing systems or fixtures.
2
400
Inspect plumbing systems or fixtures.
2
400
- Inspect, examine, or test installed systems or pipe lines, using pressure gauge, hydrostatic testing, observation, or other methods.
- Fill pipes or plumbing fixtures with water or air and observe pressure gauges to detect and locate leaks.
Review blueprints or specifications to determine work requirements.
1
500
Review blueprints or specifications to determine work requirements.
1
500
- Review blueprints, building codes, or specifications to determine work details or procedures.
Select construction materials.
1
200
Select construction materials.
1
200
- Select pipe sizes, types, or related materials, such as supports, hangers, or hydraulic cylinders, according to specifications.
Direct construction or extraction personnel.
1
100
Direct construction or extraction personnel.
1
100
- Direct helpers engaged in pipe cutting, preassembly, or installation of plumbing systems or components.
Clean equipment or facilities.
1
200
Clean equipment or facilities.
1
200
- Modify, clean, or maintain pipe systems, units, fittings, or related machines or equipment, using hand or power tools.
Estimate construction project costs.
1
200
Estimate construction project costs.
1
200
- Estimate time, material, or labor costs for use in project plans.
Estimate construction project labor requirements.
1
200
Estimate construction project labor requirements.
1
200
- Estimate time, material, or labor costs for use in project plans.
Install gauges or controls.
1
100
Install gauges or controls.
1
100
- Install automatic controls to regulate pipe systems.
Record operational or environmental data.
1
100
Record operational or environmental data.
1
100
- Keep records of work assignments.
Inspect work sites to determine condition or necessary repairs.
1
100
Inspect work sites to determine condition or necessary repairs.
1
100
- 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.
Repair worn, damaged, or defective mechanical parts.
2
200
Repair worn, damaged, or defective mechanical parts.
2
200
- Repair hydraulic or air pumps.
- Repair or remove and replace system components.
Remove parts or components from equipment.
1
100
Remove parts or components from equipment.
1
100
- Repair or remove and replace system components.
Replace worn, damaged, or defective mechanical parts.
1
100
Replace worn, damaged, or defective mechanical parts.
1
100
- Repair or remove and replace system components.
Cut openings in existing structures.
1
100
Cut openings in existing structures.
1
100
- Cut openings in structures to accommodate pipes or pipe fittings, using hand or power tools.
Inspect work sites to identify potential environmental or safety hazards.
1
100
Inspect work sites to identify potential environmental or safety hazards.
1
100
- Inspect work sites for obstructions or holes that could cause structural weakness.
Install green plumbing or water handling systems.
2
200
Install green plumbing or water handling systems.
2
200
- Install green plumbing equipment, such as faucet flow restrictors, dual-flush or pressure-assisted flush toilets, or tankless hot water heaters.
- Install fixtures, appliances, or equipment designed to reduce water or energy consumption.
Operate pumps or compressors.
1
100
Operate pumps or compressors.
1
100
- Operate motorized pumps to remove water from flooded manholes, basements, or facility floors.
Related Instruction Content
Training Provider(s):
580
RI hours
Plumbing Safety
20
Plumbing Safety
20
PPE
Plumbing Safety
20
Plumbing Safety
20
Emergency Safety Procedures
Plumbing Safety
20
Plumbing Safety
20
Confined Space Training
Plumbing Safety
20
Plumbing Safety
20
Hazard Recognition
Plumbing Safety
20
Plumbing Safety
20
Ladder and Fall Protection Safety
Materials Identification
25
Materials Identification
25
Pipe Materials
Materials Identification
35
Materials Identification
35
Fittings and Valves
Materials Identification
25
Materials Identification
25
Existing Pipe Identification
Materials Identification
15
Materials Identification
15
Glues, Cleaners and Sealants
Tools Identification
10
Tools Identification
10
Basic Hand Tools
Tools Identification
10
Tools Identification
10
Tubing Cutters
Tools Identification
20
Tools Identification
20
Plumbing Soldering Tools
Tools Identification
10
Tools Identification
10
Motorized Pumps
Plumbing Basic Skills
28
Plumbing Basic Skills
28
Water Distribution and Supply
Plumbing Basic Skills
28
Plumbing Basic Skills
28
Drain, Waste and Vent
Plumbing Basic Skills
28
Plumbing Basic Skills
28
Back Flow Prevention
Reading Blueprints
16
Reading Blueprints
16
Science and Mathematics
Reading Blueprints
15
Reading Blueprints
15
Architectural Drawings
Reading Blueprints
46
Reading Blueprints
46
Mechanical Drawings
Reading Blueprints
15
Reading Blueprints
15
Construction Drawings
Code Requirements
15
Code Requirements
15
General Regulations
Code Requirements
15
Code Requirements
15
Materials and Evaluation
Code Requirements
15
Code Requirements
15
Fixtures, Faucets and Fittings
Code Requirements
15
Code Requirements
15
Water Supply and Distribution
Code Requirements
15
Code Requirements
15
Water Heaters
Code Requirements
15
Code Requirements
15
Sanitary Drainage
Code Requirements
15
Code Requirements
15
Vents and Venting
Code Requirements
15
Code Requirements
15
Traps, Interceptors and Separators
Code Requirements
15
Code Requirements
15
Storm Drainage
Code Requirements
15
Code Requirements
15
Non-Potable Water Systems