CSLB General Building (B): Safety
Section 5 of CSLB’s General Building (B) study guide · about 15% of the exam
110 questions across every section on the 3½-hour clock, with a score for safety so you know where you stand.
Free safety drillTrucks leaving a graded site are tracking mud onto the public street. Which storm water control should be used at the site exit?
Safety on the General Building (B) exam
Job-site personnel safety, traffic control around work zones and environmental safety.
- Share of the exam
- About 15% (CSLB study guide); 16 of the 110 questions in our practice exam
- CSLB’s topics
- Personnel safety · Transportation and traffic control · Environmental safety
- Our drill
- 10 questions from 54 safety questions, untimed, an explanation after every answer; one free attempt, unlimited with a pass
What safety questions test
- Personnel safety: fall protection, ladders, scaffolds, trenches, power tools and personal protective equipment under the Cal/OSHA Construction Safety Orders
- Transportation and traffic control: work-zone signs and devices under the California Manual on Uniform Traffic Control Devices, and moving equipment and materials safely
- Environmental safety: dust, silica, lead and asbestos, storm water and the safe handling and storage of hazardous materials
Sit the full exam under the real clock
110 questions across every section on the 3½-hour clock, with a score for safety so you know where you stand.
Free safety drillHow to study it
- Learn the measurable Cal/OSHA trigger heights and depths: the point at which fall protection, a ladder extension or trench protection is required.
- For traffic control, learn what each type of sign and device is for, not their dimensions.
Common questions
Which safety rules does the B exam use?
Cal/OSHA’s Construction Safety Orders in Title 8 of the California Code of Regulations, the California Manual on Uniform Traffic Control Devices and the California Vehicle Code, all on CSLB’s resource list.
How much of the B exam is safety?
About 15% in CSLB’s study guide: personnel safety, transportation and traffic control, and environmental safety.
110 questions across every section on the 3½-hour clock, with a score for safety so you know where you stand.
Free safety drillThe other General Building (B) sections
Section topics and weight from CSLB study guide: General Building (B) (13E-B, 03-2026), checked November 2026.
Original independent practice questions written to CSLB’s published study guide outline. Not affiliated with or endorsed by the Contractors State License Board (CSLB) or PSI.