stair · f6-f7-stair-e-upper-diagnostic-placementModeling: analytical-preview
Stair E level 6 to regional level 7 diagnostic
Research representation: provisional surface. Architectural checks: pending.
Sixth floor · Seventh floor · Original mark: E
Candidate diagnostic with twenty ordinary flight risers plus the W228 two-riser landing condition, reaching W226's regional seventh-floor datum at local 80 feet.
Source relationships · not a verified physical connection
- candidate uses (inferred, unreviewed): W228 landing condition with two risers in the landing
3 recorded properties
Still to extract or check- Accepted placement
- Proof that W228 two-riser condition applies here
- Exact clear width
- Landing dimensions
- Tread/riser profiles
- Stringers
- Rails
- Headroom
- Slab openings
- Transition to the generic level-7 floor plane