Fire Protection · F-78VSR

Dry Standpipe Riser

Elements

Stairs Roofs Floors / Slabs Connections / Plates Roof / Floor Openings

About this detail

A manual dry pipe serves the standpipe from a fire department connection equipped with an indicating valve normally open, chained, and padlocked. A two-and-a-half-inch hose valve and cap is located at each floor at a typical height of forty-eight inches above the ground floor. The vertical pipe passes through core-drilled holes or sleeves at each floor slab, secured by a riser clamp at each level. The roof penetration is sealed per architectural details and specifications. The top of the riser terminates with a water pressure gauge and an automatic ball drip near the base.

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