Other Plumbers
This unit group covers Plumbers not elsewhere classified. It includes Drainers, Fire Protection Plumbers and Mechanical Services Plumbers.
A test day in an apartment building
You are a fire protection plumber arriving at a large apartment building to test the sprinkler system, which will mean shutting off parts of it for a few hours. It is 8:30am on a Tuesday. About 120 apartments are in the building. The manager has agreed to the test, but you can see residents leaving for work who clearly have not been told anything.
Choose what you would do. Then see what happens. There are often good reasons for each choice.
The test is fine, but can you keep it quiet? Last time residents complained about the noise and the notices. Just do it quickly and do not make a fuss. I will deal with anyone who asks.
Agree to keep it quiet and do the test as quickly as possible
Residents hear alarms and see water pipes being worked on without any warning. A few of them call the fire brigade, and the test is stopped while you explain yourself to people who were never told.
Ask for a notice at each entry and a plan for while it is off
Brenda agrees to put up notices and add a note to the residents' group chat. A few people complain about noise, but nobody panics, and the test goes ahead as planned.
Refuse to start unless every resident has been contacted personally first
It is thorough but impossible, since you cannot reach every apartment in time. The test is delayed a whole day and Brenda is left with a harder problem than before you arrived.
You said the system would be off for about four hours. Can we turn it back on tonight, even if you have not finished? We cannot have a gap in protection overnight, and the owners will complain if the cost goes up.
Promise to finish by evening, even though you are not sure you can
You rush to meet the promise. The test finishes late and cleanly, but your work from two hours ago was done too fast, and you have to redo part of it the next morning.
Agree to leave it partly tested and handed back, since the building must be protected overnight
The system goes back on without a full test. A fault you did not get to is still there, and nobody records that it is untested. You have signed off something you did not complete.
Say you will return it to service by evening, or tell her what the plan is if you cannot
At four you tell Brenda that one zone needs another hour. She arranges a plan for that floor and the work is finished by six. The building knew exactly what it had at every hour.
Sorry to bother you, but I am an old man and the water is off in my kitchen. Is it going to come back soon? I have to take my medicine with food and cannot cook. Is there anything you can do?
Tell him it will be off all day and he should sort something out
He is left upset and without a plan. A neighbour helps him eventually, but it took longer than it needed to, and you had the answer in the building manager's notice.
Tell him when the water is due back, and ask Brenda to help him eat
Brenda arranges a hot meal from the cafe on the ground floor. Mr Petrov is relieved, and tells everyone at the lift that the fire people were kind.
Pass him on to Brenda without giving him any information of your own
Brenda looks after him, but he is annoyed that nobody who could tell him anything did. You knew when the water would be back and it would have taken ten seconds.
How it went
By six the building's system has been tested, recorded and handed back, and the residents have their water. Fire protection work is unseen when it goes well, and it depends on honest records. Could you take pride in work that only matters on the worst day?
This is a simplified, fictional situation to help you explore. It is not professional instruction or a test of your ability.
Case study: The valve that was shut after the repaint
A fictional case set in a fire protection company that installs and tests sprinkler systems, hydrants and hose reels in apartments, schools and hotels.
The situation
Elias, a fire protection plumber, was doing a routine inspection of a small primary school's sprinkler system. Painters had been in over the holidays. Everything looked right on the drawings, but when Elias walked the building he found that one main valve, which should be open at all times, had been turned off. Nobody knew who had done it or when. School was starting on Monday, and the principal had asked him to finish quickly.
What they did
Elias told the principal at once, calmly and without blaming anyone, that part of the building had no working sprinklers. He did not just reopen the valve and leave. He checked that the system still worked after being off, recorded the time and the finding, and asked the school to put a lock and a tag on the valve. He also suggested the school tell its contractors that fire protection equipment must never be touched without asking.
How it turned out
School opened on time with the system working. The painters, it turned out, had closed the valve to protect their work and forgotten to open it. The principal added a line to the contractor induction. Elias wrote it all down and went to his next job.
What would you do?
- Why might someone close a safety valve and not mean to cause harm?
- How would you tell the principal without making it feel like blame?
- What does a small job like this tell you about how systems fail?