{
  "starting": {
    "resultSchema": "infrastructure-screen-1",
    "contentVersion": "2.0.0",
    "modelVersion": "1.0.0",
    "lessonId": "resilience-state-matrix",
    "model": "capacityBank",
    "inputs": {
      "requiredMW": 9,
      "unitMW": 2,
      "derating": 0.9,
      "loading": 0.9,
      "installed": 7,
      "unavailable": 1
    },
    "outputs": {
      "usableUnitMW": 1.62,
      "availableMW": 9.72,
      "marginMW": 0.7200000000000006,
      "minimumNPlusOne": 7,
      "status": "screen-satisfied"
    },
    "inputUnits": {
      "requiredMW": "MW",
      "unitMW": "MW/unit",
      "derating": "ratio",
      "loading": "ratio",
      "installed": "units",
      "unavailable": "units"
    },
    "outputUnits": {
      "usableUnitMW": "MW/unit",
      "availableMW": "MW",
      "marginMW": "MW",
      "minimumNPlusOne": "units",
      "status": "screen state"
    },
    "assumptions": [
      "Unit capacity is multiplied by the stated derating and loading factors.",
      "Count the usable units: The review exercise uses 9 MW required demand, 2 MW units, a 0.9 derating and a 0.9 loading limit. Each usable unit contributes 1.62 MW. Seven installed units leave six after one loss, giving 9.72 MW and a 0.72 MW arithmetic margin. Six installed units would leave only 8.1 MW. The scene must not show a spare behind an isolated bus as available to the load."
    ],
    "limitations": [
      "Educational screen only; no equipment selection, facility calibration, professional review or certification.",
      "No dynamics, protection coordination, site conditions or manufacturer-specific behavior are inferred.",
      "No probability estimate from the original deterministic simulator is implied.",
      "Use Uptime Tier and TIA Rated terminology separately; no certification is awarded."
    ],
    "sourceLocators": [
      {
        "id": "DCIE-R1",
        "chapter": 2,
        "pdfPages": [
          14,
          17
        ],
        "evidenceStatus": "manuscript-derived; not independent source verification"
      }
    ],
    "inputHash": "d5eada13afdb20f44ee56386ad3901a549c4239d9d05f14b4864e65e45684263",
    "sourceRevision": "e4d47bd6616aa54e19c7da5ee4e2a98afe6209c1",
    "independentEngineeringVerification": false,
    "resultHash": "9ebcf75dc06bd0e3c3b7bd194569befcc5fbcf8f6e9b610e36052c76e0227535"
  },
  "challenge": {
    "resultSchema": "infrastructure-screen-1",
    "contentVersion": "2.0.0",
    "modelVersion": "1.0.0",
    "lessonId": "resilience-state-matrix",
    "model": "capacityBank",
    "inputs": {
      "requiredMW": 9,
      "unitMW": 2,
      "derating": 0.9,
      "loading": 0.9,
      "installed": 6,
      "unavailable": 1
    },
    "outputs": {
      "usableUnitMW": 1.62,
      "availableMW": 8.100000000000001,
      "marginMW": -0.8999999999999986,
      "minimumNPlusOne": 7,
      "status": "screen-failed"
    },
    "inputUnits": {
      "requiredMW": "MW",
      "unitMW": "MW/unit",
      "derating": "ratio",
      "loading": "ratio",
      "installed": "units",
      "unavailable": "units"
    },
    "outputUnits": {
      "usableUnitMW": "MW/unit",
      "availableMW": "MW",
      "marginMW": "MW",
      "minimumNPlusOne": "units",
      "status": "screen state"
    },
    "assumptions": [
      "Unit capacity is multiplied by the stated derating and loading factors.",
      "Count the usable units: The review exercise uses 9 MW required demand, 2 MW units, a 0.9 derating and a 0.9 loading limit. Each usable unit contributes 1.62 MW. Seven installed units leave six after one loss, giving 9.72 MW and a 0.72 MW arithmetic margin. Six installed units would leave only 8.1 MW. The scene must not show a spare behind an isolated bus as available to the load."
    ],
    "limitations": [
      "Educational screen only; no equipment selection, facility calibration, professional review or certification.",
      "No dynamics, protection coordination, site conditions or manufacturer-specific behavior are inferred.",
      "No probability estimate from the original deterministic simulator is implied.",
      "Use Uptime Tier and TIA Rated terminology separately; no certification is awarded."
    ],
    "sourceLocators": [
      {
        "id": "DCIE-R1",
        "chapter": 2,
        "pdfPages": [
          14,
          17
        ],
        "evidenceStatus": "manuscript-derived; not independent source verification"
      }
    ],
    "inputHash": "6a6193f374f998e49141f1c6fafd36dba7233f3471b15f3cd98863fa1ed50576",
    "sourceRevision": "e4d47bd6616aa54e19c7da5ee4e2a98afe6209c1",
    "independentEngineeringVerification": false,
    "resultHash": "93973406dfd1dd56ae3447e9a2f9c7617319d61dccbd2713dbefec3fd86a001c"
  },
  "fuel": null,
  "engineeringDecision": "HOLD"
}