Each individual storey should be ventilated by everlasting openings at Each individual vehicle parking degree. The openings might be at ceiling stage. The combination free of charge vent spot needs to be at least one/40 of that level's ground area, at the very least 50 % of which ought to https://lift-shaft-ventilation89011.blogpixi.com/27723220/the-best-side-of-fire-resisting-ductwork