Buckling restrained brace braces connect to a steel roof beam through a steel gusset plate sized per the schedule. Erection angles measuring L4x4x5/16 by zero-foot-six inches include thirteen-sixteenth-inch diameter by one-and-seven-eighth-inch slots in each leg and are secured with three three-quarter-inch diameter bolts. Web stiffeners are provided when required by the brace supplier. Fillet welds of five-sixteenth-inch size connect the gusset plates to the structural steel beam on three sides typically.
BUCKLING RESTRAINED BRB BRACE, BY BRACE SUPPLIER D D STEEL GUSSET PLATE, SEE SCHEDULE-TYPICAL L4x4x5/16 x 0'-6" ERECTION ANGLE WITH 13/16"DIAx1.7/8" SLOTS IN EACH LEG PROVIDE (3) 3/4"DIA BOLTS (WHEN WEB STIFFENERS WHEN REQUIRED BY BRACE SUPPLIER TYP A A STEEL BEAM, SEE PLAN AND ELEVATION (3) SIDES TYP 5/16 5/16 L4 L4 L1 L1
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