An upper wide flange column connects to a lower wide flange column through a complete joint penetration weld with a transition flange thickness per AWS D1.4. Weld access holes are detailed per AISC 360-10 J1.6 at the web connection. The lower column flange transitions in width per AWS D1.4 with a one-to-two-and-a-half slope. Erection aids by the contractor are not shown.
C.P. U.T. DCW TYP. TRANSITION FLANGE THICKNESS PER AWS D1.4 WELD ACCESS HOLE PER AISC 360-10 J1.6 TRANSITION COL. FLANGE WIDTH PER AWS D1.4 LOWER WF COL. UPPER WF COL. C.P. U.T. DCW 1 2.5 NOTE: ERECTION AIDS BY CONTR. NOT SHOWN
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