Which of the following factors does NOT typically affect the load calculations of a structure?

The color of the building's exterior does not typically affect the load calculations of a structure. Load calculations primarily consider structural factors that impact the integrity and stability of the building, such as the height of the structure, local climate conditions (which can influence wind and snow loads), and the materials used in construction that determine the load-bearing capacity. The color of the building might have aesthetic or thermal implications, like heat absorption, but it does not directly impact the structural loads that engineers must account for when ensuring safety and stability. Thus, when evaluating load calculations, the color is not a factor that influences how loads are distributed or supported in the design of the structure.