100+ Free OSHA 30 Construction Practice Questions
Pass your OSHA 30-Hour Construction Safety Certification exam on the first try — instant access, no signup required.
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Key Facts: OSHA 30 Construction Exam
100
Practice Questions
Free on OpenExamPrep
30 hrs
Course Duration
DOL requirement
10
Content Domains
Supervisor-level coverage
$50-200
Course Cost
Varies by provider
No
Card Expiration
Valid for life
60%
Focus Four Fatalities
Falls, struck-by, caught-in, electrocution
The OSHA 30-Hour Construction course builds on the 10-Hour curriculum with advanced topics including safety management systems, accident investigation, crane operations, confined space entry, ergonomics, and health hazard management. It covers all Focus Four hazards in greater depth and adds supervisor-level responsibilities. The DOL card does not expire. The 30-Hour course is typically required for construction supervisors, foremen, and project managers.
About the OSHA 30 Construction Exam
The OSHA 30-Hour Construction Safety course is supervisor-level safety training that provides comprehensive coverage of construction hazards, safety management, accident investigation, and specialized topics including crane safety, confined spaces, and ergonomics. Often required for site supervisors and foremen.
Assessment
Module-based assessment with comprehensive final exam
Time Limit
30-hour course with final assessment
Passing Score
70% (varies by provider)
Exam Fee
$50-200 (varies by provider) (OSHA (Occupational Safety and Health Administration))
OSHA 30 Construction Exam Content Outline
Safety Management
Safety management systems, safety culture, leading/lagging indicators, multi-employer policies, worker rights, and emergency planning
Fall Protection
Fall protection planning, guardrails, PFAS, safety nets, controlled access zones, steel erection, and roofing requirements
Electrical Safety
GFCI, lockout/tagout, arc flash, power line clearance, energy control programs, and qualified worker requirements
Scaffolding Safety
Scaffold types, suspended scaffolds, load capacity, training requirements, cross-bracing, and scaffold erection safety
Excavation Safety
Soil classification, sloping ratios, shoring/shielding, access requirements, and equipment near excavations
Crane Safety
Operator certification, lift planning, load charts, safety devices, tandem lifts, and tower crane requirements
Confined Spaces
Permit-required confined spaces, atmospheric testing, entry permits, attendant duties, and rescue planning
Accident Investigation
Root cause analysis, investigation methodology, near-miss investigation, corrective actions, and accident causation models
Health Hazards
Silica, lead, asbestos, noise exposure, biological hazards, thermal stress, and medical surveillance
Ergonomics
Ergonomic risk factors, manual lifting, vibration hazards, overhead work, and musculoskeletal disorder prevention
How to Pass the OSHA 30 Construction Exam
What You Need to Know
- Passing score: 70% (varies by provider)
- Assessment: Module-based assessment with comprehensive final exam
- Time limit: 30-hour course with final assessment
- Exam fee: $50-200 (varies by provider)
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
OSHA 30 Construction Study Tips from Top Performers
Frequently Asked Questions
What is the OSHA 30-Hour Construction course?
The OSHA 30-Hour Construction course is a comprehensive, supervisor-level safety training program that covers construction hazard recognition, avoidance, and prevention in depth. It includes all topics from the OSHA 10-Hour course plus advanced topics like safety management, accident investigation, crane safety, confined spaces, ergonomics, and health hazards. Upon completion, workers receive a U.S. Department of Labor (DOL) 30-Hour card.
Who should take the OSHA 30-Hour course?
The OSHA 30-Hour course is designed for construction supervisors, foremen, project managers, safety professionals, and anyone with safety oversight responsibilities. Many employers require it for personnel in supervisory roles. Some states and cities mandate it for specific construction roles. It is also valuable for workers seeking career advancement into supervisory positions.
What is the difference between OSHA 10 and OSHA 30?
The OSHA 10-Hour course covers basic hazard recognition for entry-level workers. The 30-Hour course covers all 10-Hour topics in greater depth plus additional supervisor-level topics including safety management systems, accident investigation, crane operations, confined space entry, ergonomics, health hazard management, and multi-employer worksite policies. The 30-Hour course takes 3-4 days in a classroom setting.
Can I take the OSHA 30-Hour course online?
Yes, the OSHA 30-Hour Construction course is available online through OSHA-authorized training providers. Online courses must meet the same content and trainer requirements as in-person courses. The course cannot be completed in less than 30 hours, and most providers spread it over several days. A DOL card is mailed upon successful completion.
Does the OSHA 30-Hour card expire?
No, the OSHA 30-Hour DOL card does not expire. However, some employers and jurisdictions may require periodic refresher training. OSHA recommends staying current with safety knowledge and updates to standards. Some industries require annual safety training updates regardless of OSHA card status.
How much does the OSHA 30-Hour course cost?
The OSHA 30-Hour Construction course typically costs $50-200 depending on the provider and delivery method. Online courses tend to be $50-100, while in-person classroom courses may cost $100-200. Some providers include study materials and the DOL card in the course fee. Many employers pay for their supervisors' training.