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 ...

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 ...

Wet riser In short, it’s a dry riser which is permanently full of water or, to use the fire brigade term, “charged”. (See ‘dry riser’) Follow Chronicle Live: ...