Dry risers are an essential part of any high-rise building's fire safety system. Essentially, they allow for water to be delivered to upper floors in the event of a fire. Dry risers are usually positioned in a staircase, and feature an inlet at ground level that can be used by emergency services to pump water up the building. They also have an outlet at each landing on the upper floors, which the fire brigade can use to attach a firefighting hose. Dry risers are an essential part of any high-rise building's fire safety system, and can help to prevent serious damage in the event of a fire.