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What is the maximum length of a dead-end corridor in an unsprinklered building, per CBC?

  1. 15'

  2. 20'

  3. 25'

  4. 30'

The correct answer is: 20'

The correct maximum length for a dead-end corridor in an unsprinklered building, as specified by the California Building Code (CBC), is 20 feet. This regulation exists to ensure safety in case of an emergency evacuation, as longer dead-end corridors can pose a greater risk by potentially trapping occupants away from exits. Keeping the length limited to 20 feet helps to promote a safe evacuation path and minimizes the chances of occupants being confined in a space that might become hazardous due to fire or smoke. While other options present longer lengths, they do not align with the safety guidelines set forth in the CBC for unsprinklered buildings, emphasizing the importance of maintaining controlled and manageable egress routes.