Civil · C-Y9SMZ

Fire Department Connection and Post Indicator Valve Detail

Materials

weld

Elements

Columns Stairs Drainage Connections / Plates

Connections

Welded Connection

About this detail

A fire department connection assembly is equipped with a post indicator valve, check valve, and a one-half inch brass ball drip valve with a ninety-degree brass fitting and a four-inch long brass nipple. The check valve is housed in an eight-inch diameter standard dimension ratio PVC riser pipe with a Christy G3 valve box and a welded lid. The fire department connection features a single clapper with a five-inch Storz connection and cap, extending forty inches above finish grade. A post indicator valve is connected to the supply line, complete with a relay and wiring to the fire alarm annunciator panel as required by the California Fire Code. The drip valve sits on one cubic foot of drain rock at a forty-two-inch minimum depth below finish grade.

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