Fire Protection · F-QQBP5

Trapeze Hanger at Steel I-Beam

Materials

Steel

Elements

Beams

Connections

Welded Connection

About this detail

This fire protection detail shows a trapeze hanger assembly supporting sprinkler piping from two parallel steel I-beams. The setup utilizes Tolco Figure 65 beam clamps wrapping around the beam flanges with at least one inch of engagement, secured with retainer straps not less than 16 gauge thick and one inch wide for pipes eight inches or less. All-thread rods suspend the trapeze member, using three-eighths inch diameter rods for one to four-inch pipes and one-half inch diameter rods for five to eight-inch pipes. The trapeze member consists of a two-and-one-half-inch schedule 40 pipe for four-inch pipe or smaller, sized in accordance with NFPA 13 requirements with a maximum span of ten feet. An adjustable ring hanger and heavy-duty band hanger support the sprinkler pipe, centered between joists with a surge restrainer.

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