{
  "authority": "米国ゴルフコース設計家協会（ASGCA）",
  "scope": "設置・材料・気候・管理状況で変わる参考年数。法定耐用年数・交換義務・保証年数ではない。",
  "rows": [
    {
      "component": "グリーン",
      "min_years": 15,
      "max_years": 30,
      "note": ""
    },
    {
      "component": "バンカー砂",
      "min_years": 5,
      "max_years": 7,
      "note": "バンカー全体の寿命ではない"
    },
    {
      "component": "散水システム",
      "min_years": 10,
      "max_years": 30,
      "note": ""
    },
    {
      "component": "散水制御装置",
      "min_years": 10,
      "max_years": 15,
      "note": ""
    },
    {
      "component": "ポンプ設備",
      "min_years": 15,
      "max_years": 20,
      "note": ""
    },
    {
      "component": "アスファルトのカート道",
      "min_years": 5,
      "max_years": 10,
      "note": "より長く使える場合もある"
    },
    {
      "component": "コンクリートのカート道",
      "min_years": 15,
      "max_years": 30,
      "note": "より長く使える場合もある"
    },
    {
      "component": "ティー",
      "min_years": 15,
      "max_years": 20,
      "note": ""
    },
    {
      "component": "バンカー排水管",
      "min_years": 5,
      "max_years": 10,
      "note": "砂の入替と同時に更新する場合がある"
    }
  ],
  "evidence": [
    {
      "source_id": "asgca-lifecycle",
      "pdf_page": 1
    }
  ]
}