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: Private courtroom/jury stair at Hall604
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.
Gross visible flight/landing envelope, not the exact slab opening.
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
-64.963 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-53.2 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-56.994 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-53.267 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-56.45 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-45.286 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-64.86 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
-44.959 ft · estimated uncertainty ±3.25 ft
Drawing notation: Private courtroom/jury stair at Hall604
Coarse manual trace on upright master; coordinates are provisional.
Calculated from: f6-stair-hall-604-footprint-trace
Source depicts upward private stair at east/Sixth courtroom support hall604. Count retained in prior verified record; does not imply a generic whole-story flight.
Drawing notation: UP 22R [private stair adjoining Hall604]
Source depicts upward private stair at east/Sixth courtroom support hall604. Count retained in prior verified record; does not imply a generic whole-story flight.
East/Sixth host side, adjacent support group and complementary up/down marks support candidate Hall604-to-F700 connection. No accepted vertical transform, landing-datum closure or physical join; explicitly not asserted as installed.
Drawing notation: [east courtroom support stair / Stair F Room700 on floor7]
East/Sixth host side, adjacent support group and complementary up/down marks support candidate Hall604-to-F700 connection. No accepted vertical transform, landing-datum closure or physical join; explicitly not asserted as installed.
Source inventory is separate from the floor filters above. Select one drawing to inspect it; no drawing set is preloaded.