analytical-control · f4-stair-d-w224-img1261-diagnostic-placementModeling: analytical-preview
Fourth-floor Stair D · W224 conditional assembly placement
Research representation: provisional surface. Architectural checks: pending.
Fourth floor · Original mark: D / W224
Conditional zero-offset diagnostic at level-4 datum; no accepted building transform or physical stair.
Source relationships · not a verified physical connection
- diagnostic places (derived, unreviewed): f4 stair d
- uses type study (derived, verified): Stair D W224 typical-floor unplaced type
5 recorded properties
Still to extract or check- Accepted Column 82 world X and Z center coordinates
- Rough-versus-finish classification of the 1-foot-4-inch wall witness
- Reconciliation with the non-closing provisional fourth-floor trace
- Jamb, threshold, host wall and slab-opening interfaces
- Printed individual riser heights, construction thicknesses, stringers, rails and headroom