This is a building portion that has been strengthened to guard against certain threats such as fire, smoke, or structural collapse. Some risks, such as a tornado, may have safe havens on each floor, but others, such as a fire, may have a single safe haven or safe chamber. If this risk appears on your hazard map, you should know where it is and how to get there. Building evacuations are usually not required for minor incidents such as house parties or other small gatherings. However, if an incident causes a threat of serious injury or death, then everyone in the building needs to be able to reach safety safely. Evacuations can be done manually by telling people where to go and helping them find safety, or they can be automated using emergency alerts and warning systems. During a large-scale emergency, many people may need help finding safety, so it's important to have multiple exit routes and familiar meeting places outside the building. In conclusion, buildings pose several hazards that can cause serious injury or death if not treated properly. Therefore, it is important to understand the risks associated with buildings before you start work.