Fire Protection · F-RKACA

Wet Sprinkler Riser and Test Drain Assembly

Materials

Elements

Stairs Roofs Floors / Slabs Drainage Connections / Plates

About this detail

The wet sprinkler riser extends vertically from the fire pump supply manifold through core drilled penetrations or sleeves at each concrete floor. Riser clamps secure the pipe at each floor level while maintaining an eighty inch minimum clearance. Each floor branch includes a supervised indicating valve, check valve, water pressure gauge, and waterflow switch. A combination test and drain assembly with sight glass routes tight to the sprinkler system supply. The drain riser continues to the building exterior to discharge onto a concrete splash block.

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