An edge condition at a mechanical penthouse features a concrete slab over a metal floor deck supported by a structural steel beam sized per plan. A continuous one-quarter-inch bent plate with one-half-inch diameter by fifty-four-inch deformed bar anchors at twenty-four inches on center ties the concrete edge. A continuous three-by-three by one-quarter-inch deck bearing angle runs perpendicular to the metal roof deck flutes. Cold-formed metal framing includes six-inch eighteen-gauge metal studs at sixteen inches on center with exterior sheathing, bearing on a six-inch sixteen-gauge continuous track secured with number-ten self-tapping screws at eight inches on center. Fillet welds of three-sixteenth-inch size connect the structural components.
7 S513 9 S513 CONCRETE OVER METAL FLOOR DECK, SEE PLAN BENT PLATE 1/4"xCONT. WITH 1/2" DIA x54" DBA AT 24" O.C. 3/16 3-12 METAL ROOF DECK DECK BRG L3x3x1/4 x CONT, PERPENDICULAR TO DECK FLUTES STEEL BEAM, SEE PLAN 3-12 3/16 3/16 3-12 3-12 EXTERIOR SHEATHING, SEE ARCH 6"x18GA (600S162-43) METAL STUDS AT 16" O.C. 6"x16GA (600T125-54 xCONT TRACK WITH #10 STS AT 8" O.C.
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