You may find that stairways in your building are provided with protected lobbies or corridors at each floor level, except the top floor (Figure 34). Although these are not generally necessary for means of escape in multi-stairway buildings
You may find that stairways in your buildingare provided with protected lobbies or corridorsat each floor level, except the top floor (Figure34). Although these are not generally necessaryfor means of escape in multi-stairway buildings