What is meant by the term ?Travel Distance? in the Life Safety Code?
Travel distance is used within the Life Safety Code to refer to the length of movement necessary for an occupant to reach an exit. The LSC requires that the travel distance to an exit shall be measured on the floor or other walking surface along the centerline of the natural path of travel, starting from the most remote point subject to occupancy, curving around any corners or obstructions with a 1-ft clearance there from, and ending at the center of the doorway or other point at which the exit begins. Where measurement includes stairs, the measurement shall be taken in the plane of the tread nosing. Once an occupant enters a code-complying exit stairwell, they are considered to be within the “exit” of the building and therefore, travel distance does not include the distance down the stairway to the outside of the building. It should also be understood that when the Life Safety Code requires a limitation on travel distance between a room door and an exit, or within a room to the room d
