Elevator No. 1 analytical finished-entrance plane rotation about building Y
0 rad · local X follows building +X0 rad
Zero-thickness elevation plane only; it does not establish wall depth.
Drawing notation: 1ST FLOOR PLAN; ELEVATOR No. 1; 7'-0" CLEAR HATCH; 10'-0" CLEAR HATCH
Targeted review confirms that the first-floor landing entrance is on the page-top/south enclosure face and runs in the W229 local-u direction, which the accepted symbolic column frame maps to building +X west/Broadway. The crop does not establish wall thickness or a physical face offset.
Calculated from: W229-to-W3-u-axis