What is a key requirement when workers use a trench shield for cave-in protection?
Correct Answer
B) Workers must stay within the shielded area and the shield must be used according to its tabulated data
A trench shield protects only within its designed limits and must be used according to tabulated data; it does not remove spoil or egress requirements.
Why This Is the Correct Answer
A trench shield protects only within its designed limits and must be used according to tabulated data; it does not remove spoil or egress requirements.
Why the Other Options Are Wrong
Option A: The shield allows spoil to be stored at the trench edge
Choice A (The shield allows spoil to be stored at the trench edge) is rejected because the choice would not get the project to Workers must stay within the shielded area and the shield must be used according to its tabulated data, which is the Trench shield protected zone result verified by the source.
Option C: The shield eliminates ladder access requirements
The trap in C is The shield eliminates ladder access requirements. That selection is wrong because it removes the controlling Trench shield protected zone requirement instead of meeting it.
Option D: The shield may be lifted with workers inside
Choice D gives The shield may be lifted with workers inside. Its specific error: it answers the Trench shield protected zone prompt with the wrong practical move.
Memory Technique
Use a rough-in sticker memory cue for trench shield protected zone: the stem's condition unlocks Workers must stay within the shielded area and the shield must be used according to its tabulated data.
Reference Hint
Open 29 CFR Part 1926 (OSHA Construction Standards), 1926-2023 / PSI OSHA Excerpts 2025; use 29 CFR 1926 Subpart P - §1926.652; related §1926.651(d), §1926.651(i), §1926.651(l) to confirm that A trench shield protects only within its designed limits and must be used according to tabulated data; it does not remove spoil or egress requirements.
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