A metal roof deck bears on a structural steel beam featuring a bent plate closure at the edge with a minimum bend radius of 1.5 times the plate thickness. The bent plate size is determined by an overhang length table ranging from 3/16 inch to 5/16 inch thick plates, with a 3/8 inch bent plate permitted for overhangs under 16 inches. A 3/16 inch fillet weld typically connects the assembly to the beam. The detail specifies a 3/4 inch minimum gap at brick veneer, curtain walls, or steel stud framing, and a 1-1/4 inch minimum gap at precast framing with bypass framing coordinated per architectural drawings.
SEE EXT WALL CONNECTION DETS FOR ADDITIONAL REINF REQD L BENT PL (SEE TABLE) MIN BEND RADIUS 1.5 x PL THICKNESS < 6" 6" ≤10" 10" ≤12" CLOSURE PL 3/16" 1/4" 5/16" STL BM L 1/2" BM 3/8" BENT PL MAY BE USED FOR OVERHANG < 16" MTL ROOF DECK MTL ROOF DECK UNO 4" PROVIDE 3/4" MIN GAP AT BRICK VENEER, CURTAIN WALL OR STL STUD FRAMING. PROVIDE 1 1/4" MIN GAP A PRECAST FRAMING BYPASS FRAMING AS REQD, SEE ARCH DWGS 3/16 2-12 TYP
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