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: W229 sheave service landing in section E-E
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.
190.08 unlabeled
Numeric EL glyph at lower sheave-service landing in same section. Unit convention unestablished; no elevation difference calculated.
Drawing notation: EL. 190.08
Numeric EL glyph at lower sheave-service landing in same section. Unit convention unestablished; no elevation difference calculated.
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.