Shaded regions indicate protected zones on buckling-restrained braced frames, encompassing the steel core and connection elements per AISC 341-14 section 7.4 requirements. Attachments penetrating the casing or supporting over fifty pounds require approval from the engineer of record and the brace manufacturer. The associated brace frame footing measures two feet six inches deep by five feet wide, reinforced with eighteen number seven bars and number three ties at twelve inches on center below a four inch minimum concrete slab on grade.
2'-6" 5'-0" (18)#7 BARS #3 TIES @ 12" O.C. CONC SLAB ON GRADE 4" MIN BRACE FRAME FOOTING DEPTH SHADED REGIONS INDICATE PROTECTED ZONES BRB PROTECTED ZONES SHALL INCLUDE THE STEEL CORE AND CONNECTION ELEMENTS AND SHALL SATISFY THE REQUIREMENTS OF SECTION 7.4 OF THE AISC 341-14. 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 THE BRB MANUFACTURER. PROTECTED ZONES
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