Fifty-four 1-1/4 inch Group B bolts in standard holes fasten the structural steel connection across a 3 feet 8 inch by 4 feet 4 inch flange area. E80 welds are specified for each flange with a 1-3/4 inch dimension. An E80 fillet weld of 1/2 inch size is applied to the web. BUWF designates the built-up welded flange configuration.
BUWF (54) 1 1/4" GROUP B X BOLTS IN STD HOLES E80 1/2 1/2 E80, EA FLG ((1 3/4)) 3'-8" 4'-4" SECTION A
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