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## Horizontal Ventilation Horizontal ventilation of the fire floor of a high-rise is a complex issue, as well as a difficult task to control. In addition to the effect that breaking windows will have on the fire, there is the additional hazard of falling glass. Broken glass that falls 15 or 20 st...

## Horizontal Ventilation Horizontal ventilation of the fire floor of a high-rise is a complex issue, as well as a difficult task to control. In addition to the effect that breaking windows will have on the fire, there is the additional hazard of falling glass. Broken glass that falls 15 or 20 stories can be extremely injurious—even deadly—to bystanders and fire personnel. This glass can also sever hoselines that are supplying standpipe or sprinkler Siamese connections.