{"sheet_number": "E02.02", "discipline": "Electrical", "sheet_title": "ROOF PLAN - POWER", "level": "ROOF", "scale": "1/4\" = 1'-0\"", "assertions": [{"subject": "ROOF PLAN - POWER", "attribute": "scale", "value": "1/4\" = 1'-0\"", "source_text": "SCALE: 1/4\" = 1'-0\"", "confidence": "high", "location_key": {"grid": null, "room": null, "level": "ROOF", "tag": null}}]}