A confined space entry permit is required for a 10-foot deep utility vault that contains electrical equipment. The space has natural ventilation and normal oxygen levels. Why is a permit still required?
Correct Answer
C) The space has limited means of egress
A permit-required confined space has limited means of entry/egress and is not designed for continuous occupancy. Even with good ventilation and oxygen levels, the configuration of the space itself makes it permit-required.
Why This Is the Correct Answer
CORRECT_ANSWER - A confined space becomes permit-required when it has limited or restricted means for entry or exit, regardless of other conditions. The 10-foot deep utility vault inherently restricts egress because workers cannot simply walk out - they must climb or be assisted to exit. OSHA defines permit-required confined spaces based on configuration and access limitations, not just atmospheric hazards. Even with good ventilation and normal oxygen levels, the physical configuration of the space itself triggers the permit requirement.
Why the Other Options Are Wrong
Option B: All utility vaults require permits regardless of conditions
Although electrical equipment can create potential hazards, the presence of electrical equipment alone does not automatically make a space permit-required. The permit requirement is primarily driven by the space's physical configuration and egress limitations, not the type of equipment present.
Option D: The space is deeper than 8 feet
While 10 feet is significant depth, there is no specific 8-foot depth threshold in OSHA regulations that automatically triggers permit requirements. The permit requirement is based on the space's configuration and egress limitations, not a specific depth measurement.
Memory Technique
Use 'EXIT' - if Emergency eXIT is Impaired or Takes effort, permit required. Focus on egress difficulty, not just hazards present.
Reference Hint
OSHA 29 CFR 1926.95 or Florida Building Code Chapter 33 - Safeguards During Construction, confined space entry procedures
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