APPENDIX
Introduction
The fire resistance tables that follow are a part of Resource A and provide a tabular form of assigning fire resistance ratings to various archaic building elements and assemblies.
These tables for archaic materials and assemblies do for archaic materials what Tables 720.1(1), 720.1(2), and 720.1(3) of the International Building Code do for more modern building elements and assemblies. The fire resistance tables of Resource A should be used as described in the “Purpose and Procedure” that follows the table of contents for these tables.
Purpose and Procedure 143
Section I—Walls
1.1.1 Masonry 0 in. - 4 in. thick 144
1.1.2 Masonry 4 in. - 6 in. thick 148
1.1.3 Masonry 6 in. - 8 in. thick 157
1.1.4 Masonry 8 in. - 10 in. thick 163
1.1.5 Masonry 10 in. - 12 in. thick 172
1.1.6 Masonry 12 in. - 14 in. thick 176
1.1.7 Masonry 14 in. or more thick 183
1.2.1 Metal Frame 0 in. - 4 in. thick 186
1.2.2 Metal Frame 4 in. - 6 in. thick 190
1.2.3 Metal Frame 6 in. - 8 in. thick 192
1.2.4 Metal Frame 8 in. - 10 in. thick 193
1.3.1 Wood Frame 0 in. - 4 in. thick 194
1.3.2 Wood Frame 4 in. - 6 in. thick 195
1.3.3 Wood Frame 6 in. - 8 in. thick 203
1.4.1 Miscellaneous Materials 0 in. - 4 in. thick 203
1.4.2 Miscellaneous Materials 4 in. - 6 in. thick 204
1.5.1 Finish Ratings—Inorganic Materials Thickness 205
1.5.2 Finish Ratings—Organic Materials Thickness 206
Section II—Columns
2.1.1 Reinforced Concrete Min. Dim. 0 in. - 6 in. 207
2.1.2 Reinforced Concrete Min. Dim. 10 in. - 12 in. 207
2.1.3 Reinforced Concrete Min. Dim. 12 in. - 14 in. 211
2.1.4 Reinforced Concrete Min. Dim. 14 in. - 16 in. 212
2.1.5 Reinforced Concrete Min. Dim. 16 in. - 18 in. 213
2.1.6 Reinforced Concrete Min. Dim. 18 in. - 20 in. 215
2.1.7 Reinforced Concrete Min. Dim. 20 in. - 22 in. 216
2.1.8 Hexagonal Reinforced Concrete Diameter - 12 in. - 14 in. 217
2.1.9 Hexagonal Reinforced Concrete Diameter - 14 in. - 16 in. 218
2.1.10 Hexagonal Reinforced Concrete Diameter - 16 in. - 18 in. 218
2.1.11 Hexagonal Reinforced Concrete Diameter - 20 in. - 22 in. 218
2.2 Round Cast Iron Columns Minimum Dimension 219
2.3 Steel—Gypsum Encasements Minimum Area of Solid Material 220
2.4 Timber Minimum Dimension 221
2.5.1.1 Steel/Concrete Encasements Minimum Dimension less than 6 in. 221
2.5.1.2 Steel/Concrete Encasements Minimum Dimension 6 in. - 8 in. 222
2.5.1.3 Steel/Concrete Encasements Minimum Dimension 8 in. - 10 in. 223
2.5.1.4 Steel/Concrete Encasements Minimum Dimension 10 in. - 12 in. 225
2.5.1.5 Steel/Concrete Encasements Minimum Dimension 12 in. - 14 in. 230
2.5.1.6 Steel/Concrete Encasements Minimum Dimension 14 in. - 16 in. 232
2.5.1.7 Steel/Concrete Encasements Minimum Dimension 16 in. - 18 in. 233
2.5.2.1 Steel/Brick and Block Encasements Minimum Dimension 10 in. - 12 in. 234
2.5.2.2 Steel/Brick and Block Encasements Minimum Dimension 12 in. - 14 in. 234
2.5.2.3 Steel/Brick and Block Encasements Minimum Dimension 14 in. - 16 in. 235
2.5.3.1 Steel/Plaster Encasements Minimum Dimension 6 in. - 8 in. 235
2.5.3.2 Steel/Plaster Encasements Minimum Dimension 8 in. - 10 in. 236
2.5.4.1 Steel/Miscellaneous Encasements Minimum Dimension 6 in. - 8 in. 236
2.5.4.2 Steel/Miscellaneous Encasements Minimum Dimension 8 in. - 10 in. 236
2.5.4.3 Steel/Miscellaneous Encasements Minimum Dimension 10 in. - 12 in. 237
2.5.4.4 Steel/Miscellaneous Encasements Minimum Dimension 12 in. - 14 in. 237
Section III—Floor/Ceiling Assemblies
3.1 Reinforced Concrete Assembly thickness 238
3.2 Steel Structural Elements Membrane thickness 244
3.3 Wood Joist Membrane thickness 251
3.4 Hollow Clay Tile with Reinforced
Concrete Assembly thickness 256
Section IV—Beams
4.1.1 Reinforced Concrete Depth - 10 in. - 12 in. 259
4.1.2 Reinforced Concrete Depth - 12 in. - 14 in. 262
4.1.3 Reinforced Concrete Depth - 14 in. - 16 in. 264
4.2.1 Reinforced Concrete/Unprotected Depth - 10 in. - 12 in. 265
4.2.2 Steel/Concrete Protection Depth - 10 in. - 12 in. 265
Section V—Doors
5.1 Resistance of Doors to Fire Exposure Thickness 266