I'm reading "Black + Decker Complete Guide to Sheds" 2017. Page 133. Salt Box Storage Shed. The foundation is exactly 8' wide and around 12’ long. Seven 4x4x8 pressure-treated joists, spaced at 24" and attached to two 2x4x12 pressure-treated rim joists. All joists lie directly on top of gravel...

(I wrote this a few years ago for Nation's Building News OnLine. It goes very well with the current thread on TJIs) Not long ago I got the call every engineer dreads. It was from a past client regarding something I’d engineered. In the world of structural engineering, this can be very serious...