[
  {
    "basis": "canonical default (MODEL_SCHEMA.md, D-042)",
    "impact": "floor and roof slab thickness",
    "scope": "building",
    "text": "Slab thickness 250 mm assumed for every storey"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-002",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-004",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-005",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-006",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-007",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-008",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-009",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-010",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-011",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L00-012",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "uniform sill/head note on A-201 · Elev South, A-202 · Elev East",
    "impact": "window vertical placement",
    "scope": "element:WN-L00-007",
    "text": "Sill 1000 mm and height 1500 mm assumed — no elevation covers the north facade"
  },
  {
    "basis": "uniform sill/head note on A-201 · Elev South, A-202 · Elev East",
    "impact": "window vertical placement",
    "scope": "element:WN-L00-008",
    "text": "Sill 1000 mm and height 1500 mm assumed — no elevation covers the north facade"
  },
  {
    "basis": "docs/DXF_CONVENTIONS.md — no per-storey slab is dimensioned",
    "impact": "floor slab extent",
    "scope": "storey:L00",
    "text": "Floor slab outline inferred from the exterior wall envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — storey height_mm is the clear height",
    "impact": "space height and volume",
    "scope": "storey:L00",
    "text": "Space clear height taken as the storey height (4200 mm), floor to underside of the slab above"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-001",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-002",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-003",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-004",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-005",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-006",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-007",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-008",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-009",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L01-010",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "docs/DXF_CONVENTIONS.md — no per-storey slab is dimensioned",
    "impact": "floor slab extent",
    "scope": "storey:L01",
    "text": "Floor slab outline inferred from the exterior wall envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — storey height_mm is the clear height",
    "impact": "space height and volume",
    "scope": "storey:L01",
    "text": "Space clear height taken as the storey height (3400 mm), floor to underside of the slab above"
  },
  {
    "basis": "uniform sill/head note on A-201 · Elev South, A-202 · Elev East",
    "impact": "window vertical placement",
    "scope": "element:WN-L02-006",
    "text": "Sill 1000 mm and height 1500 mm assumed — no elevation covers the west facade"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-001",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-002",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-003",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-004",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-005",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-006",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-007",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-008",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-009",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L02-010",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "docs/DXF_CONVENTIONS.md — no per-storey slab is dimensioned",
    "impact": "floor slab extent",
    "scope": "storey:L02",
    "text": "Floor slab outline inferred from the exterior wall envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — storey height_mm is the clear height",
    "impact": "space height and volume",
    "scope": "storey:L02",
    "text": "Space clear height taken as the storey height (3400 mm), floor to underside of the slab above"
  },
  {
    "basis": "docs/SPACE_PIPELINE.md §3 label rule",
    "impact": "space name and number",
    "scope": "element:SP-L02-009",
    "text": "No room label inside this region; name and number left unset"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-001",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-002",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-003",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-004",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-005",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-006",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-007",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-008",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-009",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L03-010",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "docs/DXF_CONVENTIONS.md — no per-storey slab is dimensioned",
    "impact": "floor slab extent",
    "scope": "storey:L03",
    "text": "Floor slab outline inferred from the exterior wall envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — storey height_mm is the clear height",
    "impact": "space height and volume",
    "scope": "storey:L03",
    "text": "Space clear height taken as the storey height (3400 mm), floor to underside of the slab above"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-001",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-002",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-003",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-004",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-005",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-006",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-007",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-008",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-009",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L04-010",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "docs/DXF_CONVENTIONS.md — no per-storey slab is dimensioned",
    "impact": "floor slab extent",
    "scope": "storey:L04",
    "text": "Floor slab outline inferred from the exterior wall envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — storey height_mm is the clear height",
    "impact": "space height and volume",
    "scope": "storey:L04",
    "text": "Space clear height taken as the storey height (3400 mm), floor to underside of the slab above"
  },
  {
    "basis": "docs/SPACE_PIPELINE.md §1 leaky-region rule",
    "impact": "space boundary, area and confidence",
    "scope": "element:SP-L04-004",
    "text": "Region closed across 1 gap(s) of up to 180 mm in the wall graph"
  },
  {
    "basis": "docs/SPACE_PIPELINE.md §1 leaky-region rule",
    "impact": "space boundary, area and confidence",
    "scope": "element:SP-L04-005",
    "text": "Region closed across 1 gap(s) of up to 180 mm in the wall graph"
  },
  {
    "basis": "docs/SPACE_PIPELINE.md §3 label rule",
    "impact": "space name and number",
    "scope": "element:SP-L04-009",
    "text": "No room label inside this region; name and number left unset"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L05-001",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L05-002",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "PRD §8 default",
    "impact": "door opening height",
    "scope": "element:D-L05-003",
    "text": "Door head height 2100 mm assumed"
  },
  {
    "basis": "docs/DXF_CONVENTIONS.md — no per-storey slab is dimensioned",
    "impact": "floor slab extent",
    "scope": "storey:L05",
    "text": "Floor slab outline inferred from the exterior wall envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — roof slab sits on the top storey",
    "impact": "roof slab extent and level",
    "scope": "storey:L05",
    "text": "Roof slab inferred on the top storey from the same envelope"
  },
  {
    "basis": "docs/MODEL_SCHEMA.md — storey height_mm is the clear height",
    "impact": "space height and volume",
    "scope": "storey:L05",
    "text": "Space clear height taken as the storey height (3000 mm), floor to underside of the slab above"
  },
  {
    "basis": "docs/SPACE_PIPELINE.md §1 polygonization",
    "impact": "space area basis (net internal)",
    "scope": "building",
    "text": "Space boundaries taken to the inner wall faces (centreline inset by half the bounding wall's thickness); no finishes deduction"
  }
]