The Importance of Live Load Ratings

International building code has lots of specifications for this. A garage is 40 PSF, a library stack is like 150 heavy manufacturing is 250 classrooms or 40 in armory is 150. It's easily repurposed a library as an armory and vice versa. So it's in the place. Talk to the Pennsylvania Railroad about that. You know, and this is especially important where you're dealing with things that are heavy, heavy,. Like machinery, heavy furniture.