Scaffolding Erection and Inspection Flashcards
6 cards from real STSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Scaffolding Erection and Inspection flashcards as text
What is the required minimum width of a scaffold platform on a supported scaffold?
Answer: 18 inches
OSHA 29 CFR 1926.451(b)(2) requires scaffold platforms to be at least 18 inches wide.
Scaffolds must be capable of supporting their own weight plus how many times the maximum intended load?
Answer: 4 times
OSHA requires scaffolds to be capable of supporting 4 times the maximum intended load (with a 4:1 safety factor).
When must scaffolds be inspected by a competent person?
Answer: Before each work shift and after any occurrence that could affect the scaffold's structural integrity
OSHA requires scaffold inspection before each shift and after any event that could affect structural integrity (storms, impacts, modifications).
Access to scaffold platforms above 2 feet must be provided by:
Answer: Portable ladders, direct access from another scaffold or structure, stair towers, or integral prefabricated frames
OSHA requires safe access to scaffold platforms at all heights — specific acceptable access methods are prescribed.
What is the minimum setback distance from a power line required for metal scaffolding?
Answer: 10 feet
OSHA requires a minimum 10-foot horizontal clearance from energized power lines for metal scaffolds.
When erecting or dismantling scaffolding, workers must be protected from falls by a competent person who:
Answer: Determines the feasibility and safety of providing fall protection and implements it accordingly
A competent person must evaluate the feasibility of fall protection during erection/dismantling and implement appropriate measures based on that evaluation.