What is the minimum inside width required for ladders or rungs in window wells serving an emergency escape and rescue opening?

The minimum inside width required for ladders or rungs in window wells serving as emergency escape and rescue openings is 12 inches. This dimension is crucial to ensure that individuals can safely and efficiently use the ladder or rungs in the event of an emergency, allowing for a clear and unobstructed path for escape.

The requirement for a minimum width of 12 inches aids in compliance with safety standards, ensuring that the openings are accessible to people, including potentially those who may have mobility challenges or are encumbered in emergency situations. Wider options, such as 14, 16, or 18 inches, exceed the minimum requirement but are not necessary for basic safety, making 12 inches the standard. This ensures safety without being overly stringent on spatial allowances in building designs.