exterior-stair · main-north-entrance-stepsModeling: analytical-preview
Main Street north entrance steps
Research representation: boundary trace. Architectural checks: pending.
First floor
Source relationships · not a verified physical connection
- centered on (printed, verified): Main Street central entrance/sidewalk field
- bounded by (observed, verified): Parapet at Main Street entrance
- registered plan context from (derived, unreviewed): FIRST FLOOR PLAN enclosed boundary
- centered on (traced, unreviewed): Main exterior center door group
32 recorded properties
Still to extract or check- Run
- Rise
- Riser count
- Tread count
- Tread going
- Overall width
- Landing geometry
- Handrails
- Plan registration
- Printed riser count
- Printed riser height
- Lower landing depth
- Nosing/profile and exact stone tread build-up
- Exact east/west assignment of the half plan
- North-south world insertion from property line or building face
- As-built correspondence
- Step-detail sheet number from IMG_1244
- Nosing profile and projection
- Riser profile/height from a fabrication detail
- Tread thickness/profile
- Stone material/specification
- Physical stepped surface
- Printed riser count and height
- Tread/riser/nosing construction profile
- Flared plan boundary and parapet construction
- Rail physical geometry
- Threshold detail resolving 93.24 versus 93.25