south clear-hatch edge world Z
4′-0″ from Column 71 axis46 ft
verified one-axis control. Missing hatch X edges, wall thickness, host face, sill and depth prohibit a finite physical solid.
Drawing notation: 4′-0″ from Column 71 axis
verified one-axis control; reuse of earlier source where indicated.
Calculated from: column-71-registered-world-z, w229-e1-clear-hatch-south-edge-to-column71-axis