All certifications
Certification
OSHA 30
OSHA 30-Hour Construction Safety
Issued by OSHA (US Department of Labor)
Safety / OSHALast verified May 23, 2026
OSHA 30 is the supervisor-tier construction safety credential, covering everything in OSHA 10 in greater depth plus expanded content on hazard identification, OSHA inspections, and managing safety on a job site. Many large GCs require OSHA 30 for any role with supervision authority on their job sites.
Who needs this
Project managers, foremen, supervisors, and anyone with safety-decision authority on a commercial construction site.
Renewal
Many GCs require renewal every 3-5 years contractually.
Links
Sources
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