QUESTION $11$

Given Figure $1---$ If the allowable stress for the material comprising the bearing pads is limited to $500$psi, determine the side length $($decimal inches $--$ rounded up to the nearest $0\mathrm{.}5$ inches$)$ of a square pad required for the supports of the beam in Figure $1($assuming that the same size pad will be used for both sides in order to limit confusion in the field$).$