{"sheet_number": "G11.02", "discipline": "General", "sheet_title": "SYMBOLS & TYPICAL HEIGHTS", "level": null, "scale": null, "assertions": [{"subject": "Counter", "attribute": "knee_clearance_width", "value": "36", "source_text": "36\" MIN", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Counter", "attribute": "counter_height_AFF", "value": "34", "source_text": "34\" MAX", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Counter", "attribute": "knee_clearance_height", "value": "28", "source_text": "28\" MIN", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Signage", "attribute": "mounting_height_range_AFF", "value": "48-60", "source_text": "TACTILE CHARACTERS ON SIGNS SHALL BE LOCATED 48\" AFF MIN MEASURED FROM THE BASELINE OF THE LOWEST TACTILE CHARACTER AND 60\" AFF MAX MEASURED FROM THE BASELINE OF THE HIGHEST TACTILE CHARACTER.", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Fire Extinguisher Cabinet", "attribute": "protrusion_allowance", "value": "4", "source_text": "NOTE: FIRE EXTINGUISHER CANNOT PROTRUDE MORE THAN 4\"", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Casework", "attribute": "counter_height_range_AFF", "value": "30-36", "source_text": "COUNTER/CREDENZA @ 30\"-36\" UNO", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Grab Bar", "attribute": "mounting_height_range_AFF", "value": "33-36", "source_text": "33\"-36\" AFF", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Grab Bar", "attribute": "load_requirement", "value": "250", "source_text": "NOTE: ALLOWABLE STRESSES SHALL NOT BE EXCEEDED FOR MATERIALS USED WHERE A VERTICAL OR HORIZONTAL FORCE OF 250 LBS. IS APPLIED AT ANY POINT ON THE GRAB BAR, FASTENER MOUNTING DEVICE OR SUPPORTING STRUCTURE.", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Lavatory", "attribute": "clear_floor_space", "value": "30x48", "source_text": "CLEAR FLOOR SPACE 30\" MIN 48\" MIN", "confidence": "high", "location_key": {"grid": null, "room": "30", "level": null, "tag": null}}, {"subject": "Lavatory", "attribute": "rim_height_AFF", "value": "34", "source_text": "34\" MAX", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Lavatory", "attribute": "general_note", "value": "Insulate exposed pipes", "source_text": "INSULATE EXPOSED PIPES", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Mirror", "attribute": "mounting_height_AFF", "value": "40", "source_text": "40\" MAX", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}, {"subject": "Soap Dispenser", "attribute": "mounting_height_AFF", "value": "48", "source_text": "48\" MAX", "confidence": "medium", "location_key": {"grid": null, "room": null, "level": null, "tag": null}}]}