STAIR D
Research representation: boundary trace. Architectural checks: pending.
Second floor · Original mark: D
Source relationships · not a verified physical connection
- has opening (observed, unreviewed): stair-d threshold
10 recorded properties
Still to extract or check- Exact clear dimensions
- Wall/assembly thickness
- Ceiling height
- Complete door/window instance inventory
- Finish and fixture detail
- Exact floor opening
- Landing elevations
- Tread/riser dimensions
- Headroom