tread_thickness_or_profile
UnresolvedW-213 does not print a Main entrance tread-section dimension. Existing 1'-1" tread going remains sourced to IMG_1244, not W-213.
Drawing notation: HANDRAIL / MAIN ENTRANCE STEPS; FOR LOCATION & ARRANGEMENT SEE SHEET NO. 201
W-213 local fabrication evidence only; no project rail layout or world insertion is established.