{
  "revision": "F03",
  "purpose": "DESIGN_REVIEW_AND_SIMULATION_ONLY",
  "construction_release": false,
  "autonomous_execution_authorized": false,
  "horizontal_crs": "EPSG:32750",
  "vertical_datum": "UNVERIFIED historical contour elevations; not certified AHD",
  "terrain_sha256": "e312ed8191f78fea7f448c23b981d68d19b5feaab9b0d87328b065715a83ed3b",
  "open_geometric_issues": 602,
  "blocking_checks": [
    "registered survey and cadastral reinstatement",
    "road geometry and visibility review",
    "junction grades and surface blending",
    "traffic warrants and swept paths",
    "hydrology, pipe network and outfall design",
    "geotechnical pavement and embankment design",
    "utility clearance and approvals",
    "independent engineering certification and signed release",
    "machine localization/control verification and exclusion-zone validation"
  ],
  "artifacts": [
    "alignments.json",
    "horizontal-elements.json",
    "vertical-curves.json",
    "road-profile.csv",
    "cross-sections.csv",
    "road-crown-preview.obj"
  ],
  "note": "No executable vehicle or earthmoving commands. Preview mesh contains overlapping/unblended junction strips, not a construction TIN."
}