Yankee Chronicler mentioned: The OP wrote that it is a significant, multi-story assembly facility. He did not say the amount of tales or what the ground area of another stories is, and that can produce a big difference. They might be categorized being a-3. But this is also why I https://trevorjajno.blogpostie.com/59626677/mezzanine-safety-gates-uk-fundamentals-explained