In reading 2, the important idea is safety, in Ching’s book A10-A11 is talking about egress. Egress is an important way of building. In emergence, an egress should be provided sufficient time for the occupants of a building to exit safely. The egress should be fire protection, should be as direct as possible to exit, the exits should be clearly identified. In the egress one important element to consider in the design is stairs, which must be ensured to safety by the stairs.