Stair D / fan-room door candidate
Research representation: boundary trace. Architectural checks: pending.
Eighth floor
null; observed connections: f8-stair-d ↔ f8-room-fan. Exact host wall remains unresolved.
Source relationships · not a verified physical connection
9 recorded properties · Room assignment not established
Still to extract or check- Exact host wall/jamb station
- Printed width and height
- Head/sill elevations
- Hardware and final level connection