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Thursday 25th August 2016
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What is a dry riser?


What is a dry riser? I saw a fire hydrant-style thing by a road saying "dry riser"?
Jonathan, Tooting


** Definitive **
Name: Andy, Staines
Qualification: Firefighter
Answer: A pipe with an inlet at ground level which goes to the top floor of a tower block with an outlet on each floor. A fireman can put his hose in on a ground floor, then plug one in on the 10th floor and water will shoot out and allow them to fight the fire. It's called a dry riser as it's not charged with water.
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