Shaded regions designate protected zones within the buckling-restrained braced frame assembly, encompassing the steel core and connection elements in accordance with Section F4.5c of AISC 341. Casing penetrations from screws or powder-actuated fasteners, as well as any attachments supporting over 50 pounds, require approval from the engineer of record and the brace manufacturer.
PROTECTED ZONES SHADED REGIONS INDICATE PROTECTED ZONES BRB PROTECTED ZONES SHALL INCLUDE THE STEEL CORE AND CONNECTION ELEMENTS AND SHALL SATISFY THE REQUIREMENTS OF SECTION F4.5c OF AISC 341. ADDITIONALLY, ATTACHMENTS WHICH PENETRATE THE CASING (SCREWS, PAF, ETC) OR ANY ATTACHMENT SUPPORTING OVER 50 LBS SHALL BE APPROVED BY THE ENGINEER OF RECORD AND COREBRACE.
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