Walking and Working Surfaces Flashcards
7 cards from real COSS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Walking and Working Surfaces flashcards as text
What is the primary purpose of a 'safety monitoring system' in fall protection on low-slope roofs?
Answer: To have a competent person watch for fall hazards and warn workers approaching unprotected edges
A safety monitoring system relies on a designated, competent person to continuously observe workers and warn them when they approach an unprotected edge or violate safety procedures.
Under OSHA 1910.28, when are employers required to provide fall protection for workers on a walking-working surface with an unprotected edge?
Answer: When the surface is 4 feet or more above a lower level
OSHA 1910.28(b)(1) requires employers to protect workers from falls when they are on a walking-working surface with an unprotected side or edge that is 4 feet or more above a lower level.
A portable wood stepladder has a cracked side rail at the top. An employee wants to use it only as a straight ladder by leaning it against a wall. What should the safety officer advise?
Answer: Remove the ladder from service immediately regardless of intended use
A cracked side rail is a structural defect that makes the ladder unsafe for any use; it must be removed from service immediately.
Which type of ladder must NOT be used near electrical equipment or energized conductors?
Answer: Metal (aluminum or steel) ladders
Metal ladders conduct electricity and must never be used near energized electrical equipment; fiberglass or wood ladders are preferred for electrical work.
A floor hole cover must be able to support at least how many times the maximum intended load?
Answer: Two times the maximum intended load
OSHA requires floor hole covers to support at least twice the weight of the employees, equipment, and materials that may be imposed on them.
Under the updated OSHA walking-working surfaces standard, personal fall arrest systems must be capable of arresting a fall with a maximum arresting force of no more than:
Answer: 1,800 lbs
OSHA 1910.140(c)(3) requires PFAS to limit peak arresting force to no more than 1,800 pounds on the body of an employee.
Which OSHA standard specifically addresses scaffolding in general industry and temporary work platforms?
Answer: 29 CFR 1926.451
29 CFR 1926.451 is the OSHA standard governing scaffolding in construction, which is commonly referenced for temporary scaffolding platforms; 1910.29 covers fall protection for general industry.