A mezzanine shall be open and unobstructed to your place in which these mezzanine is found except for walls not over 42 inches (1067 mm) in height, columns and posts. If they don't seem to be destinations of general public accommodation, and are staff offices, then they are doing meet https://drumhandling31850.blogaritma.com/36418708/mezzanine-safety-gates-uk-fundamentals-explained