{
  "schema": "reboiler-maintenance-load-states/v1",
  "scope": "Selected nonspring tower-supported vertical reboiler example; not procedure or universal detail",
  "detail_input": {
    "gap_in": 1,
    "nominal_paired_gap_mm": 25,
    "kind": "particular illustrative detail, not exact conversion/every-reboiler criterion"
  },
  "states": [
    {
      "id": "connected",
      "connection": "supporting nozzle/channel connection assembled",
      "lug_platform": "gap; platform load path not engaged in this illustration"
    },
    {
      "id": "maintenance_support_engaged",
      "connection": "remains assembled until load path established",
      "lug_platform": "shim engages selected platform load path before opening supporting connection"
    },
    {
      "id": "channel_removed",
      "connection": "nozzle/channel opened under selected work basis",
      "remaining_equipment": "supported/stable for selected channel removal and bundle extraction"
    }
  ],
  "alternatives": [
    "spring-supported reboiler is another basis",
    "independently supported vertical exchanger is another basis"
  ],
  "restoration": "Verify intended actual operating contact/connections/movement under selected work basis; no universal sequence supplied",
  "not_supplied": [
    "reaction magnitudes",
    "structural/lug/platform capacity",
    "work authorization",
    "isolation/cleaning/rigging procedure"
  ]
}