An external inlet valve at ground level enables connection with a water supply, normally from a fire appliance. Dry risers are normally installed in buildings which are more than 18m high, although if ...

A dry riser system is a series of pipes which run throughout a building but are usually empty. ... there will be a main inlet in a glazed glass case which has to be accessible to fire crews. ...

The dry riser has inlets at both ends. The fire engines pump water through the inlet and they can access it from the outlets as needed", he added. The water at a pressure of 8 bar can reach up to ...