{
  "report_type": "ori-verification-run",
  "report_version": "0.1-draft",
  "label": "Reviewer evidence, not approval",
  "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
  "is_approval": false,
  "run_id": "b867af8fe93e9eaa",
  "jurisdiction": "urn:ori:jurisdiction:us-va",
  "validator": "urn:ori:validator:ori-verify",
  "validator_version": "0.1.0",
  "executed_at": "2026-09-27T12:00:00Z",
  "artifact": {
    "artifact_id": "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e",
    "media_type": "application/x-step",
    "schema": "IFC4",
    "filename": "ori-ch03-incomplete.ifc",
    "sha256": "121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e",
    "size_bytes": 8745
  },
  "counts": {
    "pass": 4,
    "fail": 0,
    "unknown": 10,
    "not_applicable": 0
  },
  "evidence": [
    {
      "id": "urn:ori:evidence:b867af8fe93e9eaa:input",
      "type": "Evidence",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [],
      "source": [],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "artifact": {
          "artifact_id": "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e",
          "media_type": "application/x-step",
          "schema": "IFC4",
          "filename": "ori-ch03-incomplete.ifc",
          "sha256": "121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e",
          "size_bytes": 8745
        }
      },
      "evidence_type": "ifc_model",
      "artifact": "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e",
      "captured_by": "urn:ori:validator:ori-verify",
      "captured_at": "2026-09-27T12:00:00Z",
      "spatial_anchor": null,
      "integrity": {
        "algorithm": "sha256",
        "digest": "121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      }
    }
  ],
  "records": [
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0001",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: space_use.",
        "section": "R304.1",
        "subsection_part": null,
        "rule_unit_title": "Minimum floor area of habitable rooms",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "space",
          "id": "ifc:3$0bYPqhDEKg7UgqFhcqw0",
          "label": "Room without use",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "3$0bYPqhDEKg7UgqFhcqw0",
            "ifc_class": "IfcSpace",
            "name": "Room without use",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.2192,
              1.2192,
              1.016
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R304.1:room-area-min"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0002",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: space_use.",
        "section": "R305.1",
        "subsection_part": "habitable",
        "rule_unit_title": "Ceiling height in living spaces and halls",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "space",
          "id": "ifc:3$0bYPqhDEKg7UgqFhcqw0",
          "label": "Room without use",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "3$0bYPqhDEKg7UgqFhcqw0",
            "ifc_class": "IfcSpace",
            "name": "Room without use",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.2192,
              1.2192,
              1.016
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R305.1:ceiling-height-habitable"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0003",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: space_use.",
        "section": "R305.1",
        "subsection_part": "bath-toilet-laundry",
        "rule_unit_title": "Ceiling height in bathrooms and laundries",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "space",
          "id": "ifc:3$0bYPqhDEKg7UgqFhcqw0",
          "label": "Room without use",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "3$0bYPqhDEKg7UgqFhcqw0",
            "ifc_class": "IfcSpace",
            "name": "Room without use",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.2192,
              1.2192,
              1.016
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R305.1:ceiling-height-bath-toilet-laundry"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0004",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: net_clear_height, net_clear_width.",
        "section": "R310.2.1",
        "subsection_part": "net clear area",
        "rule_unit_title": "Escape opening: minimum clear area",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "eero",
          "id": "ifc:2wrHvWEozAbu5HljekjbRB",
          "label": "EERO without net clear data",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2wrHvWEozAbu5HljekjbRB",
            "ifc_class": "IfcWindow",
            "name": "EERO without net clear data",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              0.45,
              -0.95,
              1.616
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R310.2.1:eero-net-clear-area"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0005",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: net_clear_height.",
        "section": "R310.2.1",
        "subsection_part": "net clear height",
        "rule_unit_title": "Escape opening: minimum clear height",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "eero",
          "id": "ifc:2wrHvWEozAbu5HljekjbRB",
          "label": "EERO without net clear data",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2wrHvWEozAbu5HljekjbRB",
            "ifc_class": "IfcWindow",
            "name": "EERO without net clear data",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              0.45,
              -0.95,
              1.616
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R310.2.1:eero-net-clear-height"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0006",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: net_clear_width.",
        "section": "R310.2.1",
        "subsection_part": "net clear width",
        "rule_unit_title": "Escape opening: minimum clear width",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "eero",
          "id": "ifc:2wrHvWEozAbu5HljekjbRB",
          "label": "EERO without net clear data",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2wrHvWEozAbu5HljekjbRB",
            "ifc_class": "IfcWindow",
            "name": "EERO without net clear data",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              0.45,
              -0.95,
              1.616
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R310.2.1:eero-net-clear-width"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0007",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Frame bottom 40.00 in is within 44 in, but the offset from frame bottom to clear-opening bottom is not declared.",
        "section": "R310.2.3",
        "subsection_part": null,
        "rule_unit_title": "Escape opening: maximum sill height",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "eero",
          "id": "ifc:2wrHvWEozAbu5HljekjbRB",
          "label": "EERO without net clear data",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2wrHvWEozAbu5HljekjbRB",
            "ifc_class": "IfcWindow",
            "name": "EERO without net clear data",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              0.45,
              -0.95,
              1.616
            ]
          }
        },
        "measured": {
          "frame_bottom_height": 40.0,
          "unit": "in"
        },
        "required": [
          {
            "parameter": "max_sill_height",
            "comparator": "<=",
            "value": 44,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_secondary",
            "source": "source:upcodes:vrc-2021-ch03"
          }
        ],
        "facts_used": {
          "frame_bottom_height": {
            "value": 40.0,
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "2wrHvWEozAbu5HljekjbRB",
              "ifc_class": "IfcWindow",
              "name": "EERO without net clear data",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                0.45,
                -0.95,
                1.616
              ]
            },
            "note": "window placement above storey (frame bottom)"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R310.2.3:eero-sill-height-max"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0008",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "required_element_not_found",
        "message": "No overhead element found above the stair; headroom cannot be measured from the model.",
        "section": "R311.7.2",
        "subsection_part": null,
        "rule_unit_title": "Stair headroom",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "stair_flight",
          "id": "ifc:2OH9Xyiv93fRNzuprTYoh2",
          "label": "Stair 1 flight 1",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
            "ifc_class": "IfcStairFlight",
            "name": "Stair 1 flight 1",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.446034,
              -0.4572,
              1.2192
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {
          "headroom_clearances": {
            "value": [],
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
              "ifc_class": "IfcStairFlight",
              "name": "Stair 1 flight 1",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                1.446034,
                -0.4572,
                1.2192
              ]
            },
            "note": "vertical clearance from nosing line to underside of overlapping overhead elements"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R311.7.2:stair-headroom-min"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0009",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "pass",
        "reason_code": "threshold_met",
        "message": "Riser height: all 13 values <= 8.25 in (governing 8.000 in).",
        "section": "R311.7.5.1",
        "subsection_part": "maximum riser",
        "rule_unit_title": "Stair riser height maximum",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "stair_flight",
          "id": "ifc:2OH9Xyiv93fRNzuprTYoh2",
          "label": "Stair 1 flight 1",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
            "ifc_class": "IfcStairFlight",
            "name": "Stair 1 flight 1",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.446034,
              -0.4572,
              1.2192
            ]
          }
        },
        "measured": {
          "riser_heights": [
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0
          ],
          "governing": 8.0,
          "unit": "in",
          "offending_indices": []
        },
        "required": [
          {
            "parameter": "max_riser_height",
            "comparator": "<=",
            "value": 8.25,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_primary",
            "source": "source:va:13vac5-63-210"
          }
        ],
        "facts_used": {
          "riser_heights": {
            "value": [
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0
            ],
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
              "ifc_class": "IfcStairFlight",
              "name": "Stair 1 flight 1",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                1.446034,
                -0.4572,
                1.2192
              ]
            },
            "note": "measured from stepped profile"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R311.7.5.1:riser-height-max"
      ],
      "outcome": "pass",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0010",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "pass",
        "reason_code": "threshold_met",
        "message": "Riser uniformity: variation 0.000 in within 0.375 in.",
        "section": "R311.7.5.1",
        "subsection_part": "riser uniformity",
        "rule_unit_title": "Stair riser height uniformity within a flight",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "stair_flight",
          "id": "ifc:2OH9Xyiv93fRNzuprTYoh2",
          "label": "Stair 1 flight 1",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
            "ifc_class": "IfcStairFlight",
            "name": "Stair 1 flight 1",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.446034,
              -0.4572,
              1.2192
            ]
          }
        },
        "measured": {
          "riser_heights": [
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0,
            8.0
          ],
          "variation": 0.0,
          "unit": "in"
        },
        "required": [
          {
            "parameter": "max_riser_variation",
            "comparator": "<=",
            "value": 0.375,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_primary",
            "source": "source:va:13vac5-63-210"
          }
        ],
        "facts_used": {
          "riser_heights": {
            "value": [
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0,
              8.0
            ],
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
              "ifc_class": "IfcStairFlight",
              "name": "Stair 1 flight 1",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                1.446034,
                -0.4572,
                1.2192
              ]
            },
            "note": "measured from stepped profile"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R311.7.5.1:riser-uniformity"
      ],
      "outcome": "pass",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0011",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "pass",
        "reason_code": "threshold_met",
        "message": "Tread depth: all 12 values >= 9 in (governing 9.500 in).",
        "section": "R311.7.5.2",
        "subsection_part": "minimum tread",
        "rule_unit_title": "Stair tread depth minimum",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "stair_flight",
          "id": "ifc:2OH9Xyiv93fRNzuprTYoh2",
          "label": "Stair 1 flight 1",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
            "ifc_class": "IfcStairFlight",
            "name": "Stair 1 flight 1",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.446034,
              -0.4572,
              1.2192
            ]
          }
        },
        "measured": {
          "tread_depths": [
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5
          ],
          "governing": 9.5,
          "unit": "in",
          "offending_indices": []
        },
        "required": [
          {
            "parameter": "min_tread_depth",
            "comparator": ">=",
            "value": 9,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_primary",
            "source": "source:va:13vac5-63-210"
          }
        ],
        "facts_used": {
          "tread_depths": {
            "value": [
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5
            ],
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
              "ifc_class": "IfcStairFlight",
              "name": "Stair 1 flight 1",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                1.446034,
                -0.4572,
                1.2192
              ]
            },
            "note": "measured from stepped profile"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R311.7.5.2:tread-depth-min"
      ],
      "outcome": "pass",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0012",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "pass",
        "reason_code": "threshold_met",
        "message": "Tread uniformity: variation 0.000 in within 0.375 in.",
        "section": "R311.7.5.2",
        "subsection_part": "tread uniformity",
        "rule_unit_title": "Stair tread depth uniformity within a flight",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "stair_flight",
          "id": "ifc:2OH9Xyiv93fRNzuprTYoh2",
          "label": "Stair 1 flight 1",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
            "ifc_class": "IfcStairFlight",
            "name": "Stair 1 flight 1",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              1.446034,
              -0.4572,
              1.2192
            ]
          }
        },
        "measured": {
          "tread_depths": [
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5,
            9.5
          ],
          "variation": 0.0,
          "unit": "in"
        },
        "required": [
          {
            "parameter": "max_tread_variation",
            "comparator": "<=",
            "value": 0.375,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_primary",
            "source": "source:va:13vac5-63-210"
          }
        ],
        "facts_used": {
          "tread_depths": {
            "value": [
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5,
              9.5
            ],
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "2OH9Xyiv93fRNzuprTYoh2",
              "ifc_class": "IfcStairFlight",
              "name": "Stair 1 flight 1",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                1.446034,
                -0.4572,
                1.2192
              ]
            },
            "note": "measured from stepped profile"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R311.7.5.2:tread-uniformity"
      ],
      "outcome": "pass",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0013",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "missing_information",
        "message": "Required information not available: drop_height.",
        "section": "R312.1.1",
        "subsection_part": null,
        "rule_unit_title": "When a guard is required",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "walking_surface",
          "id": "ifc:0GMlOfe$v7QBhKOQSjh64z",
          "label": "Deck 0",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "0GMlOfe$v7QBhKOQSjh64z",
            "ifc_class": "IfcSlab",
            "name": "Deck 0",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              11.524,
              1.2192,
              1.1442
            ]
          }
        },
        "measured": {},
        "required": [],
        "facts_used": {},
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R312.1.1:guard-required"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    },
    {
      "id": "urn:ori:verification:b867af8fe93e9eaa:0014",
      "type": "Verification",
      "version": "1",
      "effective_from": null,
      "effective_to": null,
      "jurisdiction": [
        "urn:ori:jurisdiction:us-va"
      ],
      "source": [
        "source:icc:vrc-2021",
        "source:icc:irc-2021",
        "source:va:13vac5-63-210",
        "source:va:codes-2021-effective"
      ],
      "derived_from": [],
      "supersedes": [],
      "metadata": {
        "label": "Reviewer evidence, not approval",
        "legal_boundary": "Machine verification output is reviewer evidence. It is not a permit decision, not approval, and not a statement of the law. The adopted code (here the 2021 Virginia Residential Code under the USBC) and the building official govern.",
        "is_approval": false,
        "result_state": "unknown",
        "reason_code": "required_element_not_found",
        "message": "Drop 48.00 in exceeds 30 in, so a guard is required; no guard could be identified. Absence from a model is not treated as evidence of absence.",
        "section": "R312.1.1",
        "subsection_part": null,
        "rule_unit_title": "When a guard is required",
        "check_class": "geometric_deterministic",
        "subject": {
          "kind": "walking_surface",
          "id": "ifc:3HfuCYu4D2ARTFr4ifuN92",
          "label": "Deck 1",
          "anchor": {
            "type": "ifc_element",
            "ifc_guid": "3HfuCYu4D2ARTFr4ifuN92",
            "ifc_class": "IfcSlab",
            "name": "Deck 1",
            "model": "ori-ch03-incomplete.ifc",
            "centroid_m": [
              21.524,
              1.2192,
              1.1442
            ]
          }
        },
        "measured": {
          "drop_height": 48.0,
          "unit": "in"
        },
        "required": [
          {
            "parameter": "guard_trigger_drop",
            "comparator": ">",
            "value": 30,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_secondary",
            "source": "source:upcodes:vrc-2021-ch03"
          },
          {
            "parameter": "guard_trigger_horizontal_band",
            "comparator": "<=",
            "value": 36,
            "unit": "in",
            "layer": "us-va:vrc-2021",
            "value_status": "sourced_secondary",
            "source": "source:upcodes:vrc-2021-ch03"
          }
        ],
        "facts_used": {
          "drop_height": {
            "value": 48.0,
            "origin": "ifc_geometry",
            "anchor": {
              "type": "ifc_element",
              "ifc_guid": "3HfuCYu4D2ARTFr4ifuN92",
              "ifc_class": "IfcSlab",
              "name": "Deck 1",
              "model": "ori-ch03-incomplete.ifc",
              "centroid_m": [
                21.524,
                1.2192,
                1.1442
              ]
            },
            "note": "deck top minus lowest slab top within 36 in band"
          }
        },
        "layers_applied": [
          "base:irc-2021",
          "us-va:vrc-2021"
        ],
        "run_id": "b867af8fe93e9eaa"
      },
      "validator": "urn:ori:validator:ori-verify",
      "validator_version": "0.1.0",
      "inputs": [
        "urn:ori:artifact:sha256:121422bfbe5940e549faa0276b0c0ac7e327d25d4b95a13401d1fdaec544611e"
      ],
      "requirements": [
        "urn:ori:rule-unit:irc2021-va:R312.1.1:guard-required"
      ],
      "outcome": "indeterminate",
      "evidence": [
        "urn:ori:evidence:b867af8fe93e9eaa:input"
      ],
      "executed_at": "2026-09-27T12:00:00Z",
      "determinism": "deterministic"
    }
  ]
}
