CSLB C-21 Building Moving and Demolition (Trade Exam) — All Questions
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55 questions
An open basement on a demolished lot will be filled next month. What does the code require in the meantime?
- a.Provision to prevent water accumulation and damage to foundations nearby✓
- b.A perimeter fence, which is the protection the code asks for
- c.No action, since the lot will be filled within a month
- d.A warning sign at each corner, which is the protection the code asks for
Provision shall be made to prevent the accumulation of water or damage to foundations on the premises or on adjacent property. The requirement applies in the meantime. A fence does not manage water. A sign does not manage water.2025 CBC §3303.5
At what intervals must landings be provided for construction passenger elevators on a tall demolition?
- a.Not exceeding ten floors or one hundred feet of height
- b.Not exceeding eight floors or ninety-six feet of height
- c.Not exceeding five floors or sixty feet of height
- d.Not exceeding four floors or forty-eight feet✓
Landings are provided at intervals not to exceed four floors or forty-eight feet. Five floors is farther apart than the rule. Eight floors is farther apart than the rule. Ten floors is farther apart than the rule.Cal. Code Regs., tit. 8, §1735(r)(2)
What load must a canopy over an employee entrance be able to sustain?
- a.50 pounds per square foot
- b.100 pounds per square foot
- c.75 pounds per square foot
- d.150 pounds per square foot✓
Canopies must be capable of sustaining a load of 150 pounds per square foot. Fifty pounds per square foot is less than the rule requires. Seventy-five pounds per square foot is less than the rule requires. One hundred pounds per square foot is less than the rule requires.Cal. Code Regs., tit. 8, §1735(j)
Wood floor beams brace the interior walls of a building being demolished. What must be done before cutting them?
- a.Notify the building official in writing and wait for a reply
- b.Install other equivalent support to replace them✓
- c.Wet the beams down to reduce splintering during the cut
- d.Mark the beams with paint so that the crew can find them
Wood floor beams that brace walls shall be left in place until other equivalent support can be installed. Notification does not replace support. Wetting does not replace support. Marking does not replace support.Cal. Code Regs., tit. 8, §1735(f)(4)
Which floors must have exterior wall openings protected to a height of not less than 42 inches?
- a.The ground floor, where the public can reach the openings
- b.Floors above the sixth, with the lower floors left open
- c.All floors except the ground floor and the floor being demolished✓
- d.The floor that is currently being demolished by the crew
Exterior wall openings on all floors shall be protected to a height of not less than 42 inches, except on the ground floor and the floor being demolished. The floor being demolished is excepted. The rule covers floors from the second up, with no sixth-floor limit. The ground floor is excepted.Cal. Code Regs., tit. 8, §1735(k)