Site Safety and Risk Management Flashcards

Under OSHA construction standards, at what height above a lower level must workers on unprotected sides and edges be protected from falls?

Answer: 6 feet

OSHA 1926.501 requires fall protection for construction work at 6 feet or more above a lower level.

What is the required height of the top rail of a standard guardrail system on a construction site?

Answer: 42 inches, plus or minus 3 inches

OSHA requires guardrail top rails at 42 inches plus or minus 3 inches above the walking/working surface.

A guardrail top rail must be able to withstand what minimum force applied outward or downward within 2 inches of its top edge?

Answer: 200 pounds

OSHA 1926.502(b)(3) requires top rails to withstand at least 200 pounds of force.

An anchorage used for a personal fall arrest system, when not designed by a qualified person, must support at least how much per attached employee?

Answer: 5,000 pounds

Anchorages must support 5,000 pounds per employee or be designed with a safety factor of two under a qualified person's supervision.

How often must a competent person inspect a scaffold for visible defects?

Answer: Before each work shift and after any event that could affect its integrity

OSHA 1926.451(f)(3) requires competent-person scaffold inspections before each shift and after any occurrence affecting structural integrity.

Fall protection is required for employees on a scaffold more than how many feet above a lower level?

Answer: 10 feet

OSHA scaffold rules require guardrails or personal fall arrest systems above 10 feet.

When a portable extension ladder is used to reach an upper landing, how far must its side rails extend above the landing surface?

Answer: 3 feet

OSHA 1926.1053(b)(1) requires ladder side rails to extend at least 3 feet above the upper landing.