{
  "schema": "conceptual-support-construction/v1",
  "id": "c10-construction-interfaces",
  "representation": "qualitative topology; drawing coordinates are graphic layout only",
  "dimensions": null,
  "capacities": null,
  "examples_are_separate": true,
  "external_base": {
    "process_boundary": "intact parent wall; no opening into process bore",
    "external_cavity": "hollow structural member, not connected to process bore",
    "drain": "low-point opening through external member only",
    "load_path": [
      "parent local wall",
      "attachment weld",
      "external member",
      "base plate and fastening",
      "foundation"
    ],
    "construction_interfaces": [
      "pipe-fabricator attachment",
      "field cut/bevel and joint",
      "support-fabricator extension/base"
    ],
    "horizontal_dummy": "same root separation; different closure, bearing and drainage geometry"
  },
  "directional_stop": {
    "axes": {
      "x": "pipe axis",
      "y": "along beam",
      "z": "upward"
    },
    "plates": "two stops attached to moving shoe outside opposite beam edges",
    "welds": "attach stops to shoe at designated weld locations; beam-facing sides intentionally unwelded",
    "contacts": [
      {
        "direction": "positive x",
        "state": "gap open: no contact reaction; gap closed: compressive contact reaction"
      },
      {
        "direction": "negative x",
        "state": "opposite face has independent gap/contact state"
      }
    ],
    "y": "transverse sliding geometrically available; friction and overlap still matter",
    "z": "downward bearing on beam; uplift restraint not established by stops",
    "rotations": "not assigned by name; establish pipe-to-shoe and other rotational load paths separately",
    "applicability": "selected insulated carbon-steel shoe construction; no extension to alloy clamp, hold-down or guide",
    "required_project_inputs": [
      "actual gaps",
      "shoe/beam overlap through travel",
      "friction and stiffness",
      "attachment geometry",
      "load states",
      "material and temperature",
      "connection and receiving structure capacities"
    ]
  },
  "related_reader_anchors": [
    "c10-details",
    "c10-anchor-assessment",
    "c10-installation-test"
  ],
  "engineering_values_recovered": false
}