It isn't going to help that this 2nd story (which happens to be smaller sized in comparison to the Tale underneath it) is labeled "mezzanine" to the engineer-stamped drawings. The developing in concern is really a pre-engineered structural steel "red iron" setting up. They might be categorized as A-3. But https://johnathanhoqzy.bloguetechno.com/pallet-gate-fundamentals-explained-74470162