Covers the determination of minimum loads to be assumed in the structural design of buildings and related structures, but does not apply to special structures such as road and rail bridges and cranes nor to loads arising from fluid pressures. Formulas for obtaining roof line loads and for determining permissible reductions in design live loads for floors, columns and bearing walls are given. Tables are included of live loads to be assumed for a wide range of building uses or acceptances as well as of dead loads for the more commonly used building materials.