evidence-gate · f4-stair-d-w6-tight-locator-checkModeling: not-modeled
W-6 Stair D tighter source locator · diagnostic
Research representation: none. Architectural checks: pending.
Fourth floor · Original mark: STAIR D
Source-space comparison only; no accepted world insertion or slab-opening geometry.
Source relationships · not a verified physical connection
- diagnoses placement of (traced, unreviewed): f4 stair d
13 recorded properties
Still to extract or check- exact rough and finished faces at all four traced lines
- accepted C82 and C68 column-center coordinates
- W224 1-foot-4-inch and 9-foot witness face equivalence
- door jamb and host wall
- closed slab-opening edge and fourth-to-fifth-floor correspondence
- headroom and structural edge support