Stair E level 2 to 3 diagnostic
Research representation: provisional surface. Architectural checks: pending.
Second floor · Third floor · Original mark: E
Two ten-riser switchback flights fitted analytically inside the median upper-story envelope.
Source relationships · not a verified physical connection
- diagnostic placement of (calculated, unreviewed): Stair E · second-through-sixth floor plan condition
0 recorded properties
Still to extract or check- Accepted placement
- Exact clear width
- Landing dimensions
- Second-floor dotted-line exception geometry
- Tread/riser profiles
- Stringers
- Rails
- Headroom
- Slab openings