evidence-gate · bway-W6-411-to-elevation-conflict-gateModeling: not-modeled
W-6 4/11 vs Broadway elevation bay identity
Research representation: none. Architectural checks: pending.
Fourth floor · Original mark: 4/11
1 recorded properties
Still to extract or check- Independently decode IMG_1231 fourth-floor opening keys at both B02 and B09 and the relevant W207 orientation/detail mark.
- Read the W-6 grid names bounding Room 421/4/11, with source-picked axes and a withheld same-class plan/elevation station check.
- Classify exact plan and elevation opening edges as masonry, finished jamb, frame, sash or clear aperture before comparing width residuals.
- Tie the W403 outside FACE OF STONE section to the corrected bay and obtain the opposing interior face and complete layer chain.