47-2011.00 · Task explorer
Boilermakers: reported tasks and exploration worksheet
Construct, assemble, maintain, and repair stationary steam boilers and boiler house auxiliaries. Align structures or plate sections to assemble boiler frame tanks or vats, following blueprints. Work involves use of hand and power tools, plumb bobs, levels, wedges, dogs, or turnbuckles. Assist in testing assembled vessels. Direct cleaning of boilers and boiler furnaces. Inspect and repair boiler fittings, such as safety valves, regulators, automatic-control mechanisms, water columns, and auxiliary machines.
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This source lists 18 tasks, including 16 marked Core and 2 marked Supplemental. Labels and dates are retained below. Employers can combine or divide these responsibilities differently; explore the task itself before assuming it belongs in every version of the role.
Task source dates: 08/2025.
18 tasks shown
Core · Task 24011 · 08/2025 · Incumbent
Conduct pressure tests on vessels, such as boilers.
Core · Task 11446 · 08/2025 · Incumbent
Study blueprints to determine locations, relationships, or dimensions of parts.
Core · Task 11438 · 08/2025 · Incumbent
Examine boilers, pressure vessels, tanks, or vats to locate defects, such as leaks, weak spots, or defective sections, so that they can be repaired.
Core · Task 11440 · 08/2025 · Incumbent
Inspect assembled vessels or individual components, such as tubes, fittings, valves, controls, or auxiliary mechanisms, to locate any defects.
Core · Task 11444 · 08/2025 · Incumbent
Lay out plate, sheet steel, or other heavy metal and locate and mark bending and cutting lines, using protractors, compasses, and drawing instruments or templates.
Core · Task 11443 · 08/2025 · Incumbent
Bell, bead with power hammers, or weld pressure vessel tube ends to ensure leakproof joints.
Core · Task 11450 · 08/2025 · Incumbent
Locate and mark reference points for columns or plates on boiler foundations, following blueprints and using straightedges, squares, transits, or measuring instruments.
Core · Task 11451 · 08/2025 · Incumbent
Shape or fabricate parts, such as stacks, uptakes, or chutes, to adapt pressure vessels, heat exchangers, or piping to premises, using heavy-metalworking machines such as brakes, rolls, or drill presses.
Core · Task 11449 · 08/2025 · Incumbent
Position, align, and secure structural parts or related assemblies to boiler frames, tanks, or vats of pressure vessels, following blueprints.
Core · Task 11452 · 08/2025 · Incumbent
Clean pressure vessel equipment, using scrapers, wire brushes, and cleaning solvents.
Core · Task 11441 · 08/2025 · Incumbent
Repair or replace defective pressure vessel parts, such as safety valves or regulators, using torches, jacks, caulking hammers, power saws, threading dies, welding equipment, or metalworking machinery.
Core · Task 11442 · 08/2025 · Incumbent
Attach rigging and signal crane or hoist operators to lift heavy frame and plate sections or other parts into place.
Core · Task 11447 · 08/2025 · Incumbent
Straighten or reshape bent pressure vessel plates or structure parts, using hammers, jacks, or torches.
Core · Task 11448 · 08/2025 · Incumbent
Shape seams, joints, or irregular edges of pressure vessel sections or structural parts to attain specified fit of parts, using cutting torches, hammers, files, or metalworking machines.
Core · Task 11439 · 08/2025 · Incumbent
Bolt or arc weld pressure vessel structures and parts together, using wrenches or welding equipment.
Core · Task 11445 · 08/2025 · Incumbent
Install manholes, handholes, taps, tubes, valves, gauges, or feedwater connections in drums of water tube boilers, using hand tools.
Supplemental · Task 11454 · 08/2025 · Incumbent
Assemble large vessels in an on-site fabrication shop prior to installation to ensure proper fit.
Supplemental · Task 11453 · 08/2025 · Incumbent
Install refractory bricks or other heat-resistant materials in fireboxes of pressure vessels.
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Source and practice material
Occupational context uses the O*NET® 31.0 Database from the U.S. Department of Labor, Employment and Training Administration, under CC BY 4.0. View the occupation.
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