Every dimension belongs to an object and a drawing. Original room numbers, object marks, printed values and source regions stay together—even when the answer is unresolved.
464 of 464 photographs have extraction records, containing 27,517 properties. Initial image review is not exhaustive extraction: 0 photographs have passed the full-region check. 66 numbered sheets are reconciled. Modeling and architectural registration are separate work; these counts do not establish a complete building.
Download the structured register (JSON)Object: Stair E · W225 transverse Section B-B
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.
21 ft
Printed vertical chain in Section B-B; agrees with the accepted local floor datums.
Drawing notation: DETAILS OF STAIR E / LOWER STORIES / W225
One complete source and sequential crops from the same photograph were inspected. Pixel distances were not used as architectural dimensions.
15 ft
Printed vertical chain in Section B-B. It conflicts with the generic -13 ft basement reference and is therefore not applied to current geometry.
Drawing notation: DETAILS OF STAIR E / LOWER STORIES / W225
One complete source and sequential crops from the same photograph were inspected. Pixel distances were not used as architectural dimensions.
Alternate Section A-A visibly corroborates retained W22515ft interval;13ft generic/C region cannot replace it. No independent E basement absolute datum is read. Conflict remains unresolved; prior exact15ft property reused.
Drawing notation: 15′0″ between FINISH BASEMENT FLOOR and EL93.25 FINISH1ST FLOOR
Alternate Section A-A visibly corroborates retained W22515ft interval;13ft generic/C region cannot replace it. No independent E basement absolute datum is read. Conflict remains unresolved; prior exact15ft property reused.
Calculated from: w225-basement-f1-vertical-interval, w225-first-floor-finish-elevation
Numeric value unresolved
This crop does not establish an independently printed absolute basement datum. A93.25−15 calculation would remain calculated and would not resolve cross-source regional authority.
Drawing notation: [E basement absolute elevation absent from reviewed finished-floor label]
This crop does not establish an independently printed absolute basement datum. A93.25−15 calculation would remain calculated and would not resolve cross-source regional authority.
70 in
Section B-B vertical witness from lower landing walking-surface line to upper landing walking-surface line. Distinct from top interval with same printed value.
Drawing notation: 5′10″
Section B-B vertical witness from lower landing walking-surface line to upper landing walking-surface line. Distinct from top interval with same printed value.
70 in
Section B-B witness from upper intermediate landing to second-floor finished walking-surface line.
Drawing notation: 5′10″
Section B-B witness from upper intermediate landing to second-floor finished walking-surface line.
B-B lower interval independently reads9′4″, matching plan left elevation; middle interval leads to plan15′2″. Existing21ft overall reused. Relationship only; no riser recipe or building transform.
Drawing notation: 9′4″ + 5′10″ + 5′10″ between1ST FLOOR and2ND FLOOR
B-B lower interval independently reads9′4″, matching plan left elevation; middle interval leads to plan15′2″. Existing21ft overall reused. Relationship only; no riser recipe or building transform.
Calculated from: stair-fine1013e-img_1262-m005, stair-fine1013e-img_1262-m006, w225-f1-f2-vertical-interval
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.