This structural connection details two nested one-eighth-inch aluminum channels secured to a W14x68 steel column flange via a three-eighth-inch thick steel bent plate. The assembly utilizes ten number twelve flathead screws on each face and each side of the splice for a total of forty fasteners per ICC-ESR 4374. Jamming and vertical alignment are maintained using one-half-inch-thirteen machine bolts drilled and tapped into the aluminum plate at jambs, alongside one-half-inch-thirteen through-bolts at verticals.
1" 2" 1" 2" 4" 4" 8" 1" 13 16" 7 8" 13 16" 11 16" FH.12xa.S (4) EACH BACK & FRONT (2) NESTED 18 " ALUMINUM CHANNELS x 8" LONG W14X68 1 1 2 " 9 16" JAMBS: (1) 12 "Ø-13 MACHINE BOLTS DRILLED AND TAPPED INTO ALUM. PLATE VERTICALS: (1) 12 "Ø-13 THRU BOLTS 2" 2" 4" 2" 2" 4" 3 8 " THICK STEEL BENT PLATE T.O. STEEL (21'-0") 1 CW-407 AT VERT. 2 CW-407 AT JAMB 13 16" 13 16" (10)- #12 Fh Screws each face on each side of splice (40) - Total [ICC-ESR 4374] (10)- #12 Fh Screws each face on each side 8 1 4 "
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