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Definition of Dry riser
1. Noun. A main vertical pipe, usually kept empty, intended to distribute water to multiple levels of a building in the event of a fire. ¹
¹ Source: wiktionary.com
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1. Noun. A main vertical pipe, usually kept empty, intended to distribute water to multiple levels of a building in the event of a fire. ¹
¹ Source: wiktionary.com