Printed values, calculations, image traces and observed counts are different kinds of evidence. “Verified” applies to the specific reading—not to the whole room or model.
stair-a-w221-f1-f2-flight-02verified · printed
Tread count
12 treads12 count
East flight shown through the first-/second-floor plans.
IMG_1258 · sheet-W221 · Locate on drawing ↗Drawing notation: 1ST FLOOR PLAN / UP 36 R / 10 TREADS @ 10 1/2" = 8'-9" / 12 TREADS @ 10 1/2" = 10'-6" / MARBLE TREADS AND RISERS / BRONZE HANDRAIL
First-floor Stair A plan around Elevator No. 1.
stair-a-w221-f1-f2-flight-02verified · printed
Tread going
10 1/2 in0.875 ft
Printed tread going converted to feet.
IMG_1258 · sheet-W221 · Locate on drawing ↗Drawing notation: 1ST FLOOR PLAN / UP 36 R / 10 TREADS @ 10 1/2" = 8'-9" / 12 TREADS @ 10 1/2" = 10'-6" / MARBLE TREADS AND RISERS / BRONZE HANDRAIL
First-floor Stair A plan around Elevator No. 1.
stair-a-w221-f1-f2-flight-02verified · printed
Horizontal run
10 ft 6 in10.5 ft
Printed equality on the plan.
IMG_1258 · sheet-W221 · Locate on drawing ↗Drawing notation: 1ST FLOOR PLAN / UP 36 R / 10 TREADS @ 10 1/2" = 8'-9" / 12 TREADS @ 10 1/2" = 10'-6" / MARBLE TREADS AND RISERS / BRONZE HANDRAIL
First-floor Stair A plan around Elevator No. 1.
Calculated from: w221-f1-f2-flight-02-tread-count, w221-f1-f2-flight-02-going
stair-a-w221-f1-f2-flight-02verified · printed
tread count
12 TREADS12 count
Printed tread/going evidence and relative form; physical X/Z flight endpoints, widths, landing and slab cut remain unresolved.
stair-a-w221-f1-f2-flight-02verified · printed
tread going
@ 10 1/2"10.5 in
Printed tread/going evidence and relative form; physical X/Z flight endpoints, widths, landing and slab cut remain unresolved.
stair-a-w221-f1-f2-flight-02verified · printed
horizontal tread run
= 10'-6"10.5 ft
Printed tread/going evidence and relative form; physical X/Z flight endpoints, widths, landing and slab cut remain unresolved.
stair-a-w221-f1-f2-flight-02unreviewed · inferred
physical start XZ
UnresolvedNumeric value unresolved
Printed tread/going evidence and relative form; physical X/Z flight endpoints, widths, landing and slab cut remain unresolved.
stair-a-w221-f1-f2-flight-02unreviewed · inferred
physical end XZ
UnresolvedNumeric value unresolved
Printed tread/going evidence and relative form; physical X/Z flight endpoints, widths, landing and slab cut remain unresolved.
stair-a-w221-f1-f2-flight-02unreviewed · inferred
physical clear width
UnresolvedNumeric value unresolved
Printed tread/going evidence and relative form; physical X/Z flight endpoints, widths, landing and slab cut remain unresolved.