A suspended equipment mounting assembly is supported from the roof or structure above using spring hangers. Mason seismic brackets attach the equipment vertically, while prestretched steel aircraft cables provide diagonal seismic bracing at forty-five-degree angles. Snubber plates act as up-stops, and rod clamps secure the threaded rods. Upper attachments require coordination with structural details, and seismic bracing must comply with OPM-0043-13 or OPM-0203-13.
1 ROOF OR STRUCTURE ABOVE MASON SPRING HANGER (SEE NOTE #1) MASON SEISMIC BRACKET (SEE NOTE #1) SNUBBER PLATE (UP STOP) MASON SEISMIC BRACKET MASON STIFFENER AND ROD CLAMPS (SEE NOTE #1) NOTE: 1. SEE STRUCTURAL DETAIL 09/2-S6.91 FOR UPPER ATTACHMENT DETAILS. 2. PROVIDE SEISMIC BRACING AS REQUIRED BY OPM-0043-13 OR OPM-0203-13. 1 2 3 4 5 6 SUSPENDED EQUIPMENT PRESTRETCHED STEEL AIRCRAFT CABLE 7 8 ELEVATION (TYP) (TYP) (TYP) (TYP) (TYP) (TYP) (TYP) PLAN VIEW 1 2 3 4 5 6 7 8 3 7 6 45° 45°
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