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Data · Construction & trades

Construction and trades: training obligations, sourced

Trades crews carry more safety exposure per hour than almost any other frontline work, and the training obligation is explicit — but the workforce data is patchier than people assume.

Last updated: 2026-09-08 · every figure carries its source and year

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In short: OSHA expects safety training to be delivered at a level and in a language and vocabulary workers can understand. Site-specific training on your equipment, chemicals and hazards cannot be outsourced to a generic course. State plans may impose stricter requirements than federal OSHA.

The comprehension requirement

OSHA's expectation is built into how its training standards read: workers must understand the hazards they are exposed to. A session in English, a signature on a roster, and a worker who reads English at a basic level does not meet the intent.

State plans can go further

State plans must be at least as effective as federal OSHA and some go further.

General courses do not cover your site

Outreach training covers general awareness. Training on the specific equipment, chemicals and hazards present on your job remains the employer's responsibility and carries the same comprehension requirement.

Where the data is thin

We do not have a sourced, current turnover figure for US construction and trades crews at the level of detail the restaurant data offers, and we are not going to estimate one. What is documented is the training obligation and the fact that language comprehension is part of it.

How it works

  1. Talk it in. Walk through the job out loud, in whatever language you think in.
  2. Get a clear routine. Tiendo structures it into steps, safety notes and checkpoints, then translates it into your team's language — numbers and times kept exact.
  3. Your team reads and confirms. Post a QR code or hand a new hire one link. They read it on their phone and tap "read and understood."
One routine, every language your team speaks: EspañolKreyòlTiếng ViệtالعربيةPolski中文

Questions people ask about the numbers

Does OSHA require safety training in Spanish?
OSHA does not name specific languages. It requires training in a manner and language employees can understand, which for a Spanish-reading crew means the training must reach them in Spanish.
Is a signed training roster enough?
A signature records attendance, not understanding. If workers could not follow the material, the training may not satisfy the requirement.
Does a general safety course cover my site?
It covers general awareness. Site-specific training on your equipment, chemicals and hazards remains your responsibility.
Do state rules differ from federal OSHA?
State plans must be at least as effective as federal OSHA and some impose additional requirements. Check what applies where you operate.

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