{
  "family": 1,
  "id": "ME01",
  "title": "Escalier droit à 16 hauteurs",
  "client": "Métallier / bureau d’études",
  "need": "Étudier l’implantation d’un escalier reliant deux niveaux fictifs.",
  "spec": [
    "Hauteur à franchir 2800 mm",
    "16 hauteurs de 175 mm, 15 girons de 280 mm",
    "Largeur utile 1000 mm",
    "Recul de girons 4200 mm ; 2h+g=630 mm"
  ],
  "kind": "stair",
  "params": [
    4200,
    1000,
    2800
  ],
  "rows": [
    [
      "ES-01",
      "Marches 1000 x 280, enveloppe 40",
      "15",
      "pièces"
    ],
    [
      "ES-02",
      "Limons : position géométrique",
      "2",
      "repères"
    ],
    [
      "ES-03",
      "Arrivée au niveau +2800",
      "1",
      "interface"
    ]
  ],
  "method": [
    "h = 2800 / 16 = 175 mm ; g retenu = 280 mm.",
    "Marche n : x=(n-1) x 280 ; dessus z=n x 175.",
    "Pente de la ligne des nez = atan(175/280) = 32,0°.",
    "16e hauteur entre la marche 15 et le plancher supérieur."
  ],
  "checks": [
    "Vérifier échappée, trémie et supports sur relevé.",
    "Définir usage et exigences applicables aux marches et protections.",
    "Faire calculer limons, appuis, assemblages et ancrages."
  ],
  "variant": "Variante : 17 hauteurs de 164,71 mm, avec recul et giron à réexaminer.",
  "skills": [
    2,
    3
  ],
  "folder": "02_Metal/ME01_Escalier_droit_16_hauteurs",
  "objects": [
    {
      "name": "ES-01-1",
      "x": 0,
      "y": 0,
      "z": 135,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-2",
      "x": 280,
      "y": 0,
      "z": 310,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-3",
      "x": 560,
      "y": 0,
      "z": 485,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-4",
      "x": 840,
      "y": 0,
      "z": 660,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-5",
      "x": 1120,
      "y": 0,
      "z": 835,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-6",
      "x": 1400,
      "y": 0,
      "z": 1010,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-7",
      "x": 1680,
      "y": 0,
      "z": 1185,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-8",
      "x": 1960,
      "y": 0,
      "z": 1360,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-9",
      "x": 2240,
      "y": 0,
      "z": 1535,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-10",
      "x": 2520,
      "y": 0,
      "z": 1710,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-11",
      "x": 2800,
      "y": 0,
      "z": 1885,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-12",
      "x": 3080,
      "y": 0,
      "z": 2060,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-13",
      "x": 3360,
      "y": 0,
      "z": 2235,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-14",
      "x": 3640,
      "y": 0,
      "z": 2410,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    },
    {
      "name": "ES-01-15",
      "x": 3920,
      "y": 0,
      "z": 2585,
      "w": 280,
      "d": 1000,
      "h": 40,
      "color": "#60757d"
    }
  ]
}