When the 456-meter-tall Kunming Junfa Dongfeng Square tower opens in Kunming City, China, in mid-2017, it will stand as one of the world’s tallest naturally ventilated buildings. Roughly ...

Ventilation is required to provide fresh air to the occupants of buildings, primarily to remove body odours and carbon dioxide from breath. This requirement is an order of magnitude greater?than the ...

A fire department is dispatched to a reported structure fire in a 52-story high-rise office building. It is a weekday, 4:30 P.M. The building is fully occupied. Upon arrival, first-due units report ...