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Materials used in interior wall section structure:
A. OT 125 roof joists 7' 4" oc. Since there is one joist per column, no edge beam is required.
B. Steel roof deck.
C. 3 x 3 x 1/4" edge angle for attachment of windows.
D. 12 C 10.2 channel transferring floor joist load to column.
E. Steel angles at floor to facilitate attachment of windows.
F. 4 x 4" x 10 lb. column.
G. Steel floor deck.
H. OT 141 floor joists 1' 10" oc. There are more joists at the floor than the roof because of their greater loads.
From The Details of Modern Architecture vol. 2