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                                          BUILDING CODES, LOADS, AND FIRE PROTECTION*


                   4.6  CHAPTER FOUR

                   TABLE 4.2 Minimum Densities for Design Loads from Materials
                                 Material                Load, lb/ft 3       Material           Load, lb/ft 3
                   Aluminum                                  170      Glass                       160
                   Bituminous products                                Gravel, dry                 104
                     Asphaltum                                81      Gypsum, loose                70
                     Graphite                                135      Gypsum, wallboard            50
                     Paraffin                                 56      Ice                          57
                     Petroleum, crude                         55      Iron
                     Petroleum, refined                        50       Cast                       450
                     Petroleum, benzine                       46       Wrought                     48
                     Petroleum, gasoline                      42      Lead                        710
                     Pitch                                    69      Lime
                     Tar                                      75       Hydrated, loose             32
                   Brass                                     526       Hydrated, compacted         45
                   Bronze                                    552      Masonry, Ashlar stone
                   Cast-stone masonry (cement, stone, sand)  144       Granite                    165
                   Cement, portland, loose                    90       Limestone, crystalline     165
                   Ceramic tile                              150       Limestone, oolitic         135
                   Charcoal                                   12       Marble                     173
                   Cinder fill                                 57       Sandstone                  144
                   Cinders, dry, in bulk                      45      Masonry, brick
                   Coal                                                Hard (low absorption)      130
                     Anthracite, piled                        52       Medium (medium absorption)  115
                     Bituminous, piled                        47       Soft (high absorption)     100
                     Lignite, piled                           47      Masonry, concrete*
                     Peat, dry, piled                         23       Lightweight units          105
                   Concrete, plain                                     Medium weight units        125
                     Cinder                                  108       Normal weight units        135
                     Expanded-slag aggregate                 100      Masonry, grout              140
                     Haydite (burned-clay aggregate)          90      Masonry, rubble stone
                     Slag                                    132       Granite                    153
                     Stone (including gravel)                144       Limestone, crystalline     147
                     Vermiculite and perlite aggregate, non-load-bearing  25–50  Limestone, oolitic  138
                   Other light aggregate, load-bearing     70–105      Marble                     156
                   Concrete, reinforced                                Sandstone                  137
                     Cinder                                  111      Mortar, cement or lime      130
                     Slag                                    138      Particleboard                45
                     Stone (including gravel)                150      Plywood                      36
                   Copper                                    556      Riprap (not submerged)
                   Cork, compressed                           14       Limestone                   83
                   Earth (not submerged)                               Sandstone                   90
                     Clay, dry                                63      Sand
                     Clay, damp                              110       Clean and dry               90
                     Clay and gravel, dry                    100       River, dry                 106
                     Silt, moist, loose                       78      Slag
                     Silt, moist, packed                      96       Bank                        70
                     Silt, flowing                            108       Bank screenings            108
                     Sand and gravel, dry, loose             100       Machine                     96
                     Sand and gravel, dry, packed            110       Sand                        52
                     Sand and gravel, wet                    120      Slate                       172
                   Earth (submerged)                                  Steel, cold-drawn           492
                     Clay                                     80      Stone, quarried, piled
                     Soil                                     70       Basalt, granite, gneiss     96
                     River mud                                90       Limestone, marble, quartz   95
                     Sand or gravel                           60       Sandstone                   82
                     Sand or gravel and clay                  65       Shale                       92
                                                                       Greenstone, hornblende     107
                                                                                               (Continued)
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