416.4(h)(3) · Where children are located below ground level, one means of egress from the below-ground level area must be either an interior stairway whose pathway is unobstructed and leads directly to an unobstructed egress at ground level, or an exterior stairway which leads directly to the ground. The vertical travel to ground level may not exceed eight feet. The second means of egress may be a window that has the minimum net clear opening height dimension of at least 24 inches and a minimum net clear opening width dimension of at least 24 inches, and an adequate size through which all children and adults can be evacuated or a window that complies with the Fire and Building Code of New York State, or other applicable code if the Fire and Building Code of New York State is not applicable in that jurisdiction, as a means of egress.