{"sheet_number": "G31.06", "discipline": "General", "sheet_title": "UL RATINGS - DESIGN #U419", "level": null, "scale": null, "assertions": [{"subject": "UL Design U419", "attribute": "wall_rating", "value": "1, 2, 3 or 4", "source_text": "Nonbearing Wall Ratings \u2014 1, 2, 3 or 4 Hr (See Items 4 & 5 through 5J)", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419"}}, {"subject": "UL Design U419 - Item 1 Floor and Ceiling Runners", "attribute": "component_material", "value": "Channel shaped, fabricated from min 25 MSG corrosion-protected steel", "source_text": "1. Floor and Ceiling Runners \u2014 (Not Shown) \u2014 For use with Item 2 \u2014 Channel shaped, fabricated from min 25 MSG corrosion-protected steel", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 1"}}, {"subject": "UL Design U419 - Item 1 Floor and Ceiling Runners", "attribute": "component_fastening", "value": "attached to floor and ceiling with fasteners 24 in. OC max", "source_text": "attached to floor and ceiling with fasteners 24 in. OC max.", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 1"}}, {"subject": "UL Design U419 - Item 2 Steel Studs", "attribute": "stud_spacing", "value": "24", "source_text": "1C. Framing Members* \u2014 Steel Studs \u2014 (Not Shown. As an alternate to Item 1) \u2014 min 0.015 in. (min bare metal thickness) galvanized steel, spaced a max of 24 in. OC.", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 2"}}, {"subject": "UL Design U419 - Item 2 Steel Studs", "attribute": "stud_length", "value": "cut 3/8 to 3/4 in. less than assembly height", "source_text": "Studs to be cut 3/8 to 3/4 in. less than assembly height.", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 2"}}, {"subject": "UL Design U419 - 1 Hr Rating", "attribute": "stud_depth", "value": "1-5/8", "source_text": "Rating, Hr: 1, Min Stud Depth, in.: 1-5/8", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 5, 1 Hr Rating"}}, {"subject": "UL Design U419 - 1 Hr Rating", "attribute": "gypsum_board_layers_thickness", "value": "1 layer, 1/2 in. thick", "source_text": "Rating, Hr: 1, Min Thkns of Gyp Bd & Layers: 1 layer, 1/2 in. thick", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 5, 1 Hr Rating"}}, {"subject": "UL Design U419 - 1-1/2 Hr Rating", "attribute": "gypsum_board_layers_thickness", "value": "1 layer, 5/8 in. thick", "source_text": "Rating, Hr: 1-1/2, Min Thkns of Gyp Bd & Layers: 1 layer, 5/8 in. thick", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 5, 1-1/2 Hr Rating"}}, {"subject": "UL Design U419 - 2 Hr Rating", "attribute": "gypsum_board_layers_thickness", "value": "2 layers, 1/2 in. thick", "source_text": "Rating, Hr: 2, Min Stud Depth, in.: 1-5/8, Min Thkns of Gyp Bd & Layers: 2 layers, 1/2 in. thick", "confidence": "high", "location_key": {"grid": null, "room": null, "level": null, "tag": "UL Design U419, Item 5, 2 Hr Rating (1-5/8 stud)"}}]}