{
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  "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
  "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
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    "width": 1.78,
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    "height": 1.4300000000000002,
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      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
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        {
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    {
      "id": "FIELD-SIDE-R",
      "role": "side-board",
      "material": "Cembrit candidate",
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      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
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        "profileYZ": [
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      "stock": {
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          "keep": "z >= rear edge plus clearance"
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        {
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          "angleDegrees": 10,
          "keep": "above sill clearance line",
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    },
    {
      "id": "FIELD-HEAD-L",
      "role": "head-board",
      "material": "Cembrit candidate",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
      "geometry": {
        "x": [
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        "profileYZ": [
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      "stock": {
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      },
      "finished": {
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        "thickness": 0.008
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      "operations": [
        {
          "id": "FIELD-HEAD-L-DEPTH",
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          "remove": 0.002
        },
        {
          "id": "FIELD-HEAD-L-WIDTH",
          "kind": "square end cut",
          "finishedLength": 0.882
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      ],
      "provisionalLayout": "two adjacent across width"
    },
    {
      "id": "FIELD-HEAD-R",
      "role": "head-board",
      "material": "Cembrit candidate",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
      "geometry": {
        "x": [
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        "profileYZ": [
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      "stock": {
        "kind": "minimum rectangular cut blank",
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        "manufacturerSheet": null,
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          "profileYZ": [
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            [
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      },
      "finished": {
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        "depth": 0.148,
        "thickness": 0.008
      },
      "operations": [
        {
          "id": "FIELD-HEAD-R-DEPTH",
          "kind": "trim rear edge",
          "remove": 0.002
        },
        {
          "id": "FIELD-HEAD-R-WIDTH",
          "kind": "square end cut",
          "finishedLength": 0.882
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      ],
      "provisionalLayout": "two adjacent across width"
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  "supports": [
    {
      "id": "FIELD-SUPPORT-L-1",
      "role": "timber-support",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
      "x": [
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      "layer": 4,
      "boardId": "FIELD-SIDE-L",
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        "kind": "illustrative timber blocking",
        "width": 0.05,
        "height": 0.05,
        "depth": 0.025
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      "pitch": null,
      "fasteners": null,
      "structuralCapacity": null,
      "positions": "two illustrative stations per side, not a fixing schedule"
    },
    {
      "id": "FIELD-SUPPORT-L-2",
      "role": "timber-support",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
      "x": [
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      "y": [
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      "layer": 4,
      "boardId": "FIELD-SIDE-L",
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        "kind": "illustrative timber blocking",
        "width": 0.05,
        "height": 0.05,
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      "pitch": null,
      "fasteners": null,
      "structuralCapacity": null,
      "positions": "two illustrative stations per side, not a fixing schedule"
    },
    {
      "id": "FIELD-SUPPORT-R-1",
      "role": "timber-support",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
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      "y": [
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      "z": [
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      "layer": 4,
      "boardId": "FIELD-SIDE-R",
      "stock": {
        "kind": "illustrative timber blocking",
        "width": 0.05,
        "height": 0.05,
        "depth": 0.025
      },
      "pitch": null,
      "fasteners": null,
      "structuralCapacity": null,
      "positions": "two illustrative stations per side, not a fixing schedule"
    },
    {
      "id": "FIELD-SUPPORT-R-2",
      "role": "timber-support",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
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      "boardId": "FIELD-SIDE-R",
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      "pitch": null,
      "fasteners": null,
      "structuralCapacity": null,
      "positions": "two illustrative stations per side, not a fixing schedule"
    },
    {
      "id": "FIELD-HEAD-L-SUPPORT",
      "role": "timber-support",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
      "boardId": "FIELD-HEAD-L",
      "x": [
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        "height": 0.05,
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      "fasteners": null,
      "structuralCapacity": null,
      "positions": "one illustrative station per head board, not a fixing schedule"
    },
    {
      "id": "FIELD-HEAD-R-SUPPORT",
      "role": "timber-support",
      "approved": false,
      "measured": false,
      "illustrative": true,
      "source": "User field candidate: Cembrit side/head returns; PDF62 retains PURAL0.6mm source assembly",
      "note": "150mm is approximate facade-to-frame input. Stock is a derived cut blank, not a selected manufacturer sheet. Joint8mm is explicit. Head split across width is provisional pending clarification. Supports, fasteners, edge distances, sealing and fire details are not approved.",
      "boardId": "FIELD-HEAD-R",
      "x": [
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      "y": [
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      "layer": 4,
      "stock": {
        "kind": "illustrative timber blocking",
        "width": 0.05,
        "height": 0.05,
        "depth": 0.025
      },
      "pitch": null,
      "fasteners": null,
      "structuralCapacity": null,
      "positions": "one illustrative station per head board, not a fixing schedule"
    }
  ],
  "joints": [
    {
      "id": "HEAD-CENTRE",
      "width": 0.008
    },
    {
      "id": "SIDE-L-TO-FACADE",
      "width": 0.008
    },
    {
      "id": "SIDE-R-TO-FACADE",
      "width": 0.008
    },
    {
      "id": "HEAD-TO-FACADE",
      "width": 0.008
    },
    {
      "id": "SIDE-L-TO-HEAD",
      "width": 0.008
    },
    {
      "id": "SIDE-R-TO-HEAD",
      "width": 0.008
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  ],
  "operations": [
    {
      "id": "FIELD-SIDE-L-DEPTH",
      "kind": "trim rear edge",
      "remove": 0.002,
      "keep": "z >= rear edge plus clearance",
      "partId": "FIELD-SIDE-L"
    },
    {
      "id": "FIELD-SIDE-L-BOTTOM",
      "kind": "inclined lower cut",
      "angleDegrees": 10,
      "keep": "above sill clearance line",
      "lineYZ": [
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      "partId": "FIELD-SIDE-L"
    },
    {
      "id": "FIELD-SIDE-R-DEPTH",
      "kind": "trim rear edge",
      "remove": 0.002,
      "keep": "z >= rear edge plus clearance",
      "partId": "FIELD-SIDE-R"
    },
    {
      "id": "FIELD-SIDE-R-BOTTOM",
      "kind": "inclined lower cut",
      "angleDegrees": 10,
      "keep": "above sill clearance line",
      "lineYZ": [
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      "partId": "FIELD-SIDE-R"
    },
    {
      "id": "FIELD-HEAD-L-DEPTH",
      "kind": "trim rear edge",
      "remove": 0.002,
      "partId": "FIELD-HEAD-L"
    },
    {
      "id": "FIELD-HEAD-L-WIDTH",
      "kind": "square end cut",
      "finishedLength": 0.882,
      "partId": "FIELD-HEAD-L"
    },
    {
      "id": "FIELD-HEAD-R-DEPTH",
      "kind": "trim rear edge",
      "remove": 0.002,
      "partId": "FIELD-HEAD-R"
    },
    {
      "id": "FIELD-HEAD-R-WIDTH",
      "kind": "square end cut",
      "finishedLength": 0.882,
      "partId": "FIELD-HEAD-R"
    }
  ],
  "disclosure": "Field FC reveal candidate differs from PDF62 PURAL0.6mm reveals; source mode remains available and default."
}