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Hot Work & Fire Watch
Welding, cutting and grinding without starting a fire — permits, the 35-foot rule, the fire watch, and what to do when sprinklers or the fire alarm are out
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OSHA 1910.252 · IFC Ch. 35 · NFPA 51B
4 modules8 lessonsAbout 1 hour19 quick-check questionsRead along
What you get, and what your employer still does
- Contact hours
- Up to 1 hour — the time you are actually active, rounded down to the half hour
- Final assessment
- 12 questions, 70% to pass, retakes allowed
- Employer’s part
- Your employer or the site’s permit authorizing individual finishes the job: your site’s hot work program and permit form, designated hot work areas, who can authorize, how to reach the fire alarm vendor, gas testing, and hands-on use of the extinguishers you will carry as a fire watch.
- Repeat it
- OSHA has no fixed interval for hot work training; retrain when the work, the site or the rules change, or when someone shows they need it. Many hot work programs refresh yearly.
When you finish, you'll be able to
- Recognize hot work and why sparks and slag start fires long after the work stops
- Choose controls in order: avoid hot work, move the work, move the hazards, guard what can’t move
- Explain the hot work permit and the roles of the permit authorizing individual, operator and fire watch
- Apply the 35-foot rule, protect openings and the far side of walls, and handle sprinklers and detectors
- Stand a fire watch: duties, equipment and how long it lasts under OSHA, the IFC and NFPA 51B
- Know when an impairment needs a fire watch: fire alarm out more than 4 hours, sprinklers more than 10 hours in 24
How this course works · 1-minute read
Lessons are slides
Use Back / Next or the ← → arrow keys. The gold bar above each slide jumps to any slide, and marks the Quick Checks before you reach them.
Quick Checks
19 short questions sit inside the lessons. Pick an answer and the right one and the explanation appear straight away. They are practice — nothing is recorded.
Every answer has a source
Citation cards name the regulation or standard behind a slide; OSHA and EPA citations open the official text. Nothing comes into this exam room, so the course flags what to memorize.
Your place is saved
Sign in and the course remembers the slide you stopped on. A lesson is marked done when you press Mark lesson complete on its last slide — you can unmark it to study it again.
Then the final and your employer
A 12-question final assessment (70% to pass) unlocks the certificate with your contact hours. Then print the practical checkoff: your employer’s competent person covers your site and checks you hands-on.
Final assessment
12 questions · 70% to pass · opens when every lesson is done
Continuing education
Finish every lesson and pass the final assessment and you can print a completion certificate with the date, the course version and your measured contact hours — the time you were active in the course, rounded down to the half hour. Contact hours on a certificate of completion. Certifying bodies decide what counts toward recertification; LifeSafetyWiki is not an IACET-accredited provider.