Two rule books, one building
Your plant or warehouse runs under OSHA's general industry standards — 29 CFR Part 1910. That is the book your safety manager works from, the book your inductions are written against, and the book an inspector opens if something happens on the floor.
Then a contractor arrives to take out a dock man-door and fit a new one, and part of what they do that afternoon is not governed by Part 1910 at all. It falls under Part 1926, the construction standards. Same building, same shift, your own people walking past.
That sounds like a filing distinction. It is not. It changes the height at which somebody has to be tied off, and it changes it in the direction most people guess wrong.
Where the line actually sits
The definition is at 1910.12(b), and it is wider than almost anyone expects. Construction work means “work for construction, alteration, and/or repair, including painting and decorating.”
Read that again, because the load-bearing words are alteration and repair. Not “new build”. Not “capital project”. Not “anything needing a permit”. Painting is named explicitly.
So the test is not the size of the job or whether there is a drawing. It is what is being done to the fabric of the building. Routine servicing — keeping a thing in working order, replacing a wear part with the same wear part — generally stays in general industry. Replacing an assembly with a different one, or altering the structure, generally becomes construction work. Scale, complexity, the use of construction equipment and whether the work changes rather than preserves the facility are the indicators that push an item across.
A worked example from a loading dock, because the abstraction is useless without one. Replacing a perished weather seal on a dock door is servicing. Cutting out a damaged bottom section and fitting a replacement panel is a repair to the assembly, and repair is named in the definition. Taking the door out and fitting a different model is an alteration, and nobody argues about that one.
Four feet or six feet
Here is where it stops being academic.
In general industry, 1910.28 requires fall protection on a walking-working surface four feet or more above a lower level. In construction, 1926.501 sets the general trigger at six feet.
So a man working at five feet — which is a step-ladder, which is most of this work — is inside the protected band under one book and outside it under the other. Same person, same ladder, same floor.
And notice the direction. General industry, the book your building runs under every other day of the year, is the stricter of the two at that height. People tend to assume construction rules are always tighter because construction sounds more dangerous. At working height, below six feet, it is the other way round.
Fall protection is only the clearest example. The two parts also diverge on scaffolds, on ladders and on several other provisions a maintenance job touches routinely.
Who decides — and when it gets decided
The classification follows the task. It is not a preference, and it is not something a contractor and a facility manager settle between them for convenience.
What matters commercially is when it gets decided. If the question is asked at quote stage, the method, the equipment and the hours are all priced against the right answer. If it is never asked, it gets decided on the morning by whoever is holding the ladder — which in practice means it gets decided by whatever is quickest.
That is the failure worth avoiding, and it is worth avoiding from the buying side as much as the working side. An item that was quoted as a forty-minute servicing job and turns out to be an alteration at height does not become a safe job because the quote said forty minutes.
What to do with this when you are buying
Ask, item by item on the list: is this one servicing or is it construction work, and what are you working to? You are not asking the contractor to recite a regulation. You are finding out whether they have thought about it.
A contractor who has will answer in terms of the work — this one is a wear part, that one is an assembly replacement, this one is over six feet so it makes no difference either way. A contractor who has not will say “whatever you need”, which is the wrong answer however accommodating it sounds, because the standard is not yours to choose.
The other reason to ask early is that it changes the quote honestly rather than dishonestly. An item priced the stricter way costs a little more and arrives as expected. An item priced the cheaper way and then done properly becomes a variation, and an item priced the cheaper way and then done cheaply is the one that ends up in an incident report.
What this article is not
This is a contractor writing about the rules a contractor has to work to inside somebody else's building. It is not advice on your own compliance obligations, it is not a substitute for your safety people, and the classification of any particular job is a question of fact about that job. Where an item is genuinely on the line, the useful thing is to say so out loud and price the stricter reading — not to resolve it quietly in whichever direction is cheaper.
