Walking and Working Surfaces Flashcards

At what height above a lower level does OSHA require fall protection in general industry walking-working surfaces?

Answer: 4 feet

General industry (1910 Subpart D) requires fall protection when a walking-working surface is 4 feet or more above a lower level.

A guardrail system's top rail must be capable of withstanding a force of at least how many pounds applied downward or outward?

Answer: 200 pounds

Top rails must withstand at least 200 pounds of force applied in any downward or outward direction.

What is the required height of a standard guardrail top edge above the walking-working surface?

Answer: 42 inches, plus or minus 3 inches

The top edge of a standard guardrail must be 42 inches (plus or minus 3 inches) above the walking-working surface.

When a hole exists in a walking-working surface, which method is NOT an acceptable form of protection?

Answer: Leaving it open with a warning sign only

A warning sign alone does not protect employees; holes must be covered or guarded.

Covers over holes in walking-working surfaces must be able to support at least how many times the maximum intended load?

Answer: Two times

Hole covers must support at least twice the maximum intended load that may be imposed on them.

What is the primary hazard addressed by OSHA's housekeeping requirements for walking-working surfaces?

Answer: Slips, trips, and falls

Good housekeeping keeps surfaces clean, dry, and orderly to prevent slips, trips, and falls.

A midrail on a guardrail system must be installed at what height when there is no wall or parapet at least 21 inches high?

Answer: Midway between the top rail and the surface

Midrails must be installed midway between the top edge of the guardrail and the walking-working surface.