Plumber

Plumber attends to people’s needs through scheduled and urgent actions shown in 21 hands-on tasks. The tasks explain who benefits, what to monitor, and small checks that protect safety. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

21evidenced tasks
21ready prompts
10tools of the trade
47-2152.00O*NET-SOC code
465,840hold this job (US, BLS 2025)
$63,800median pay/yr (US)
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What it pays

Government survey numbers — not estimates, not ads.

Half of all Plumbers, Pipefitters, and Steamfitters in the U.S. earn more than $63,800 a year — the middle 80% land between $44,150 and $108,420. About 465,840 people in the U.S. do this work. Figures are for the U.S. occupation group “Plumbers, Pipefitters, and Steamfitters”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Craft and related trades workers earn about ₹16,825 a month on average — around ₹2.0 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$63,800typical pay / year
465,840people in this work
$108,420+top 10% earn
₹2.0 lakha year in India (family avg)
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The work, task by task

These are the real jobs-to-be-done, not a wish list. Each task shows where we found it, and the prompt underneath is written for that exact task.

Fixing4

Maintain plumbing systems

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Inspect the building riser, log pressures and temperatures at each valve, replace worn seals and gaskets,…
Inspect the building riser, log pressures and temperatures at each valve, replace worn seals and gaskets, grease accessible pump bearings, and submit a single maintenance report to Facilities by Friday noting any parts needed and safety steps taken.
The tools that do the workBookkeepingESCOjob descriptionsO*NET

Bend, cut, and install pipes

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Measure, mark, bend and cut the specified length of steel gas pipe to the shop drawing, tack weld joints for…
Measure, mark, bend and cut the specified length of steel gas pipe to the shop drawing, tack weld joints for fit, deburr ends, flux and braze or weld to the run, pressure-test the new section at 50 psi, and update the field layout sketch before leaving site.
The tools that do the workDrawing and draftingESCOjob descriptionsO*NET

Start pumps and open valves

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Cycle the main domestic pump, open the three inlet isolation valves in sequence while monitoring pump amps…
Cycle the main domestic pump, open the three inlet isolation valves in sequence while monitoring pump amps and discharge pressure, adjust the bypass to maintain 40 psi, and record start-up readings and any abnormal vibration in the site log.
The tools that do the workMicrosoft Exceljob descriptionsO*NET

Diagnose and repair leaks or blockages

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Trace the leaking run from the fixture, isolate the zone, remove the damaged section, cut and prepare…
Trace the leaking run from the fixture, isolate the zone, remove the damaged section, cut and prepare replacement pipe, rejoin with welded or mechanical couplings, pressure-test to 150 psi, and photograph the repair for the work order before closing it.
The tools that do the workAtlas Construction Business Formsjob descriptionsO*NET
Keeping the record2

Read blueprints and follow building codes

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Compare the project blueprints to the on-site layout, verify pipe sizes and clearances against local plumbing…
Compare the project blueprints to the on-site layout, verify pipe sizes and clearances against local plumbing code, note any nonconformance on the plan, propose dimensioned corrections to the project manager, and get sign-off before continuing work.
The tools that do the workAEC Design Group CADPIPEjob descriptionsO*NET

Maintain and repair equipment

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Inspect the mechanical room equipment list, run each pump and heater through its checklist, tighten vibration…
Inspect the mechanical room equipment list, run each pump and heater through its checklist, tighten vibration mounts, replace worn belts and filters, log serial numbers and spare parts used, and raise a purchase request for any failed components.
The tools that do the workIntuit QuickBooksjob descriptionsO*NET
The daily work15

Prepare cost estimates for clients

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Prepare a detailed client estimate for the kitchen re-pipe at 1423 Elm Street: list labor hours by task,…
Prepare a detailed client estimate for the kitchen re-pipe at 1423 Elm Street: list labor hours by task, materials with unit prices and part numbers, permit and disposal fees, a 10% contingency, and send the PDF to Maria the homeowner and to contractor Jake by Wednesday for approval.
The tools that do the workMicrosoft Exceljob descriptionsO*NET

Inspect and test installed pipe systems

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Inspect the newly installed medical gas run at Mercy Clinic, perform pressure and leak tests per code, record…
Inspect the newly installed medical gas run at Mercy Clinic, perform pressure and leak tests per code, record test pressures and duration, note any failed joints or repairs needed, photograph the failed sections, and email the signed inspection sheet to Facilities by end of day today.
The tools that do the workDrawing and draftingESCOjob descriptions

Anchor steel supports from ceiling joists to hold pipes in place.

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Secure the new main above Suite 4 by anchoring two steel channel supports to the ceiling joists at the…
Secure the new main above Suite 4 by anchoring two steel channel supports to the ceiling joists at the engineered locations, weld the hanger brackets, torque the anchor bolts to spec, photograph completed supports, and update the job sheet for sign-off by the site supervisor.
The tools that do the workAEC Design Group CADPIPEO*NET

Keep records of work assignments.

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Log today’s assignments: crew names, start and finish times, task codes, materials used, and any change…
Log today’s assignments: crew names, start and finish times, task codes, materials used, and any change orders for Project 78, attach photos where relevant, then send the daily work report to office admin before 6pm.
The tools that do the workMicrosoft OfficeO*NET

Install fixtures, appliances, or equipment designed to reduce water or energy consumption.

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Install low-flow lavatory aerators and a high-efficiency shower valve in Apartment 2B, verify flow rates meet…
Install low-flow lavatory aerators and a high-efficiency shower valve in Apartment 2B, verify flow rates meet the specified gallons per minute, record serial numbers and warranty info, demonstrate operation to the tenant, and file the compliance sticker and installation note in the unit file.
The tools that do the workAutodesk BuildingO*NET

Inspect work sites for obstructions or holes that could cause structural weakness.

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Walk every trench and mechanical room at the 7th Street retrofit, flag and photograph any holes, gaps, or…
Walk every trench and mechanical room at the 7th Street retrofit, flag and photograph any holes, gaps, or obstructed pipe chases that weaken supports, mark exact locations on the as-built plan, and send a short risk note to Foreman Garcia by 5pm today.
The tools that do the workDrawing and draftingO*NET

Control or operate equipment to circulate liquids

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Start the chilled-water loop in Boiler Room B, run the circulation pump at low speed for ten minutes, monitor…
Start the chilled-water loop in Boiler Room B, run the circulation pump at low speed for ten minutes, monitor flow and pressure at the inlet and outlet, stabilize temperatures, then report any cavitation or vibration to Lead Tech Ramon before increasing speed.
The tools that do the workAutodesk Buildingjob descriptions

Signal other workers to operate pumps and valves

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Stand at the east valve bank and coordinate with John on the control panel: when I flash the orange lamp,…
Stand at the east valve bank and coordinate with John on the control panel: when I flash the orange lamp, open pump A; when I wave both hands, open pump B; confirm each action verbally on the radio and log the time in the handover sheet.
The tools that do the workMicrosoft Officejob descriptions

Verify product movement and meter operation

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Check the supermarket riser meters and downstream pressure gauges during the afternoon shift, walk the…
Check the supermarket riser meters and downstream pressure gauges during the afternoon shift, walk the service route to verify each meter is turning, note any discrepancies or stalled meters, and email a concise test summary with readings to Claudia and the procurement lead.
The tools that do the workIntuit QuickBooksjob descriptions

Read and analyze specifications and test results

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Review the test certificates and material specifications for the new gas mains, compare weld test results and…
Review the test certificates and material specifications for the new gas mains, compare weld test results and hydrostatic pressures against the spec limits, annotate any failures on the test sheet, and hand the packet to Safety Officer Lee by tomorrow morning.
The tools that do the workCOADE CAESAR IIjob descriptions

Record and compile operating data

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Collect today's pump runtimes, flow rates, and meter reads across zones A–D, compile them into the operating…
Collect today's pump runtimes, flow rates, and meter reads across zones A–D, compile them into the operating log with timestamps, calculate daily totals and flag any outliers, then circulate the summary to Maintenance and Finance at 17:00.
The tools that do the workMicrosoft Exceljob descriptions

Perform pressure tests on systems

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Perform a full pressure test on the hot water and fire-suppression mains today, isolate and cap open ends,…
Perform a full pressure test on the hot water and fire-suppression mains today, isolate and cap open ends, record test pressures and hold times on the site log, photograph gauge readings at start and finish, and report any drops over 5 psi to Mark on maintenance before demobilising.
The tools that do the workBentley Systems AutoPIPEjob descriptions

Test systems and make adjustments safely and following regulations

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Test each gas and domestic water system zone under service, adjust regulators and relief settings where…
Test each gas and domestic water system zone under service, adjust regulators and relief settings where pressures exceed code, verify shutoff and venting procedures, log compliance readings, and notify Safety Officer Jenna immediately of any noncompliant condition before leaving site.
The tools that do the workCOADE CAESAR IIESCO

Place sanitary equipment

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Set out and install the toilets, sinks and urinals marked on drawing A2, level and secure waste connections,…
Set out and install the toilets, sinks and urinals marked on drawing A2, level and secure waste connections, run water service to fixtures, leak-test each trap and supply, note any obstructions on the plan, and hand a signed installation checklist to Foreman Luis.
The tools that do the workDrawing and draftingESCO

Drawing and drafting

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Update the house lateral and fixture plan into the drawing and drafting showing new hot water return, valve…
Update the house lateral and fixture plan into the drawing and drafting showing new hot water return, valve tags, cleanout access, and as-built notes so I can hand the plumber crew the revised routing on Wednesday morning.
The tools that do the workDrawing and draftingO*NET

Says who?

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Activities this job lives in

The human activities behind the tasks — each with its honest AI ceiling.

The logs, files & records this job keeps

Shared with other careers — the same record means something different in each.

Related careers

Same family of work — each with its own tasks and prompts.

The LLOS Work Atlas is the world's largest evidenced task library — a map of human work, with a ready prompt behind every task. 1,774 careers · every task named by the sources that witnessed it — O*NET, ESCO, real job descriptions, Wikipedia — and the deepest tasks by several at once. And it is honest about limits: where AI cannot help, the map says so.

The rest of the map

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Built on public evidence: O*NET®, ESCO, Wikipedia, U.S. Bureau of Labor Statistics, ILOSTAT. All sources & licenses