Outside enclosure-face span on Column 73-74 row
8.395833333333329 ft8.395833 ft
Span between outside enclosure faces along the printed witness row; not a clear shaft or rough opening.
Drawing notation: 15'-7"; 5'-2"; 2'-0 1/4"
W229 seventh-floor dimension chain between Columns 73 and 74 and the two outside enclosure faces. The chain establishes one-axis witness intersections only, not wall or shaft geometry.
Calculated from: w229-f7-column73-to-column74-span, w229-f7-column73-to-west-outside-enclosure-face, w229-f7-east-outside-enclosure-face-to-column74