2. Location

3rd family A buildings must be reached by a ladderway, so as to provide an accessible facade or part of a facade, depending on the geometry of the building. 3rd family B and 4th family buildings must not be more than 50 m from a machine track (distance measured between track and stairwell).

• Machine track

  A machine lane (figure 6 ) is a lane that can be used by fire-fighting and rescue vehicles and whose carriageway has the following characteristics, regardless of the direction in which it is...