Engine Company, Firefighting

Hydraulic Ventilation in Increasingly Poor Atmospheres

Issue 03 and Volume 173.

By Alexander Degnan The Jersey City (NJ) Fire Department does a great deal of hydraulic venting. Venting out a compartmentalized room-and-contents fire is an automatic tactic post-knockdown. Getting to the nearest vent point, staying about six feet back, and opening a mid to narrow fog stream is a time-tested way to increase visibility; finish up an attack; accelerate post-control overhaul; and, most importantly, remove an unsustainable atmosphere from an area where potential victims can still be uncovered. To that point, I’d like to address some instances of proper and aggressive hydraulic ventilation at structural fires and why I consider it important. Mark van der Feyst: Hydraulic Ventilation Throw Back to Basics: Hydraulic Ventilation Venting for Extinguishment at Peaked-Roof Dwellings Note that you can achieve proper “fog venting” using the myriad of nozzles in a department’s arsenal, from a smooth bore gently cracked near the window opening to the 30° fog…

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