{
  "status": "Corridor openings integrated in separate working IFC; roofs remain visual alternatives; not sealed or published",
  "base": "r11-e16-2026-10-25",
  "projected_area_m2": 43.6875,
  "slope": 0.05,
  "roof_area_m2": 43.7421,
  "v1_elevations_m": [
    3.08,
    3.3925
  ],
  "v2_elevations_m": [
    5.1075,
    5.42
  ],
  "vertical_polycarbonate_area_m2": 33.875,
  "lift_pve37_diameter_m": 0.933,
  "lift_candidate_xy": [
    7.45,
    1.35
  ],
  "upper_floor_m": 2.82,
  "existing_ceiling_m": 5.12,
  "split_min_headroom_m": 2.45,
  "headroom_deficit_m": 0.15,
  "not_verified": [
    "structure and anchors",
    "wind loads",
    "flue fire clearances and draw",
    "rainwater connection",
    "lift landing accessibility and collision coordination",
    "supplier final sheet spans and expansion joints"
  ],
  "gallery_access": {
    "base_revision": "r11-e16-2026-10-25",
    "status": "working IFC; not sealed or published",
    "new_sliding_pairs": [
      {
        "id": "p0-a",
        "floor": 0,
        "x0": 8.2,
        "x1": 11.7,
        "clear_width_m": 1.65,
        "slide_m": 1.695,
        "blocked": []
      },
      {
        "id": "p0-b",
        "floor": 0,
        "x0": 12.25,
        "x1": 14.85,
        "clear_width_m": 1.2,
        "slide_m": 1.245,
        "blocked": []
      },
      {
        "id": "p0-c",
        "floor": 0,
        "x0": 15.15,
        "x1": 17.75,
        "clear_width_m": 1.2,
        "slide_m": 1.245,
        "blocked": []
      },
      {
        "id": "p0-foyer-a",
        "floor": 0,
        "x0": 19.85,
        "x1": 22.175,
        "clear_width_m": 1.062,
        "slide_m": 1.107,
        "blocked": []
      },
      {
        "id": "p0-foyer-b",
        "floor": 0,
        "x0": 22.175,
        "x1": 24.5,
        "clear_width_m": 1.062,
        "slide_m": 1.107,
        "blocked": []
      },
      {
        "id": "p1-a",
        "floor": 1,
        "x0": 8.25,
        "x1": 11.85,
        "clear_width_m": 1.7,
        "slide_m": 1.745,
        "blocked": []
      },
      {
        "id": "p1-b",
        "floor": 1,
        "x0": 12.15,
        "x1": 14.85,
        "clear_width_m": 1.25,
        "slide_m": 1.295,
        "blocked": []
      }
    ],
    "existing_balcony_access_retained": true,
    "threshold_upstand_m": 0,
    "full_height_spans": [
      {
        "floor": 0,
        "x0": 8.2,
        "x1": 11.7
      },
      {
        "floor": 0,
        "x0": 12.25,
        "x1": 17.75
      },
      {
        "floor": 0,
        "x0": 19.85,
        "x1": 24.5
      },
      {
        "floor": 1,
        "x0": 8.25,
        "x1": 18.85
      }
    ],
    "limitations": [
      "Supplier frame profiles, operating forces, waterproofing and drain outfalls to specify.",
      "Five-ray sample per passage is not a full swept-volume or manoeuvring certification.",
      "Garden stair remains; this does not establish a wheelchair route to the garden.",
      "Lift and polycarbonate alternatives remain separate studies."
    ],
    "source": "https://diariodarepublica.pt/dr/legislacao-consolidada/decreto-lei/2006-108253479"
  }
}