Engineering notes
What decides the structure, written down
Short notes from live enquiries: the numbers that change a steel building, the drawing mistakes that cost steel, and what actually happens between a port and a site in Africa or South America.
20 October 2026
The four numbers that decide whether your warehouse needs an internal column
Span, length, eave height and site location decide whether a steel warehouse needs an internal column line. Here is what each number changes, and how to measure it.