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.
f4-stair-eunreviewed · derived
W-6 registered center · Z
-62.55391921077913 ft-62.553919 ft · estimated uncertainty ±4 ft
Center of the analytical locator only; not a shaft, hatch or stair centerline.
Calculated from: f4-stair-e-w6-world-vertex-1-z, f4-stair-e-w6-world-vertex-2-z, f4-stair-e-w6-world-vertex-3-z, f4-stair-e-w6-world-vertex-4-z
f4-stair-eunreviewed · observed
Physical geometry accepted
NoExtruding any transformed locator into physical walls, shafts, stairs or rooms. Treating control-fit zero as proof of accuracy. Using the coarse Elevator 3 or stair locator boundaries as clear or outside faces. Replacing unresolved wall, slab, opening or construction thicknesses with defaults.
f4-stair-eunreviewed · derived
Cross-sheet registration residual
0.9246347704649716 ft0.924635 ft · estimated uncertainty ±4 ft
Center-to-center check against the independent IMG_1335 MEP-underlay trace; it does not validate physical stair boundaries. Reference package: fourth-floor-topology.