The sill framing connects to the structural steel jamb with a welded joint specified at a one-eighth inch fillet weld size along the bottom of the sill. A note specifies that welding of the sill to the jamb is required only where the opening above the sill exceeds three feet six inches, with a one-half inch maximum dimension constraint shown.
1/2" MAX NOTE: WELDING OF SILL TO JAMB REQUIRED ONLY WHERE OPENING ABOVE SILL EXCEEDS 3' - 6" . 1/8" BOTTOM OF SILL TO JAMB D SILL - SINGLE STUD HEADER SPAN: LESS THAN 3'-0"
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