Structural Steel and Welding Trades Workers
Cut, shape, join and repair components of iron, steel and other metal structures, boilers, pressure vessels and pipes, ships and other vessels.
A day in the fab shop
You are a welder and fabricator in a workshop, building steel frames for a customer who needs them on Friday. It is Wednesday morning. Four frames are on the bench in various stages, an inspector is due in the afternoon, and your supervisor has asked you to look at a drawing that seems to have a problem.
Choose what you would do. Then see what happens. There are often good reasons for each choice.
The customer's drawing shows a gusset plate that will not fit where it is marked. I think there is a mistake. They want the frame on Friday, and it is cheaper if we just build it the way I would do it. What do you think?
Build it the way you think best, since you know how these frames go together
The frame fits your idea but not the customer's other equipment. The mistake in the drawing was a real one, and they had a reason for the plate. Fixing it on the quiet cost them a rebuild.
Stop, mark up where it clashes and ask the customer to confirm the correction in writing before you cut anything
You protect the job, but the answer takes until Thursday morning and the Friday date is tight. Checking is right, and a quick phone call alongside the email would have saved a day.
Mark up the clash, phone the customer's engineer straight away and agree on a fix before you cut
The engineer apologises for the mistake and sends a corrected sheet by lunch. You carry on with the frame and still finish on time. Asking early was cheaper than guessing right.
I did a weld on that bracket and it looks a bit rough, with some small holes in it. I was going to grind it down and paint over it so it is smooth. Is that okay? The bracket is not very important.
Tell him to grind it smooth and paint it, since it is not a main part
The bracket goes out looking fine. A month later it cracks along the weld. Painting over a defect hides it from people who might have found it.
Look at it with him, show what caused the holes, cut out the bad section and have him reweld it while you watch
Sam sees that the holes came from a draught across the work. He moves a screen and the reweld comes out clean. A fault shown is a lesson learned.
Reweld it yourself so that it is done right and quickly
The bracket is good, but Sam learns only that his work gets redone. A good tradesperson passes the skill on as well as the result.
I am checking your records for the frames today. I notice there is a gap in the log for yesterday afternoon, when you were welding the main joints. Can you fill me in on what was done and by whom?
Fill in the log now from memory so that it looks complete
You remember most of it, but the inspector notices the ink is fresh and asks why. Records written late are weaker than ones written at the time, even when they are honest.
Tell the inspector which parts you did, which parts you are unsure of, and what you will do about the gap
The inspector respects the honesty but marks the gap as a finding, since the record is incomplete. Honest is the right start, but a plan to check the welds again would have made it stronger.
Say exactly what you did and when, add a dated late note to the log, and offer to re-inspect the joints
The inspector accepts the late note as a clearly marked correction and checks the joints with you. The frames pass, and you start filling in the log as you go.
How it went
The frames are on track for Friday, with a clean log and a drawing fixed at the source. Welding and fabrication is hands-on craft, but a lot of it is checking, recording and speaking up. Does a trade where the proof is in the finished metal appeal to you?
This is a simplified, fictional situation to help you explore. It is not professional instruction or a test of your ability.
Case study: The pressure line that leaked a tiny bit
A fictional case set in a fictional steel fabrication workshop that builds frames, tanks and pipework for farms and factories.
The situation
Anh was a welder at Redstone Fabrication, finishing a pipe section for a water treatment plant. The final test showed a very faint weep at one joint, so small that it might have passed on a quick look. The delivery truck was booked for the afternoon, and the customer's site manager had rung twice that morning asking for an update.
What they did
Anh marked the joint and showed it to the shop supervisor, Fenella. She did not touch it up or patch it. She cut the joint out, cleaned the ends, rewelded it and put it through the test again. She wrote the repair on the job record. Fenella rang the customer to say the delivery would come the next morning, and why.
How it turned out
The second test was clean and the section was delivered the next morning. The site manager was irritated by the delay but accepted the reason. Anh said that cutting out her own weld was the hardest part, and Fenella told her that the good welders were the ones who did it without being asked.
What would you do?
- How would you feel about cutting out work you had finished and were proud of?
- Why do you think the record of a repair matters as well as the repair itself?
- What would you say to a customer who is waiting and unhappy about a delay?