That standard is the Freeman Ratio, developed by John Freeman in the late 1800’s and still very relevant today, states that the nozzle orifice diameter should be half of the hose diameter. Dennis also speaks to finding balance with the Freeman Ratio and hose construction as well as nozzle reaction.
Dave McGrail is a 36-year veteran of the fire service and an Assistant Chief with the Denver Fire Department. He instructs internationally on a wide range of fire service topics, specializing in high-rise firefighting operations. He is the author of the book Firefighting Operations in High-Rise and Standpipe Equipped Buildings published by PennWell (Fire Engineering Books and Videos) in 2007. Dave holds two Associate of Applied Science Degrees in Fire Science Technology, one with a focus in Fire Suppression, and the other with a focus in Fire Prevention. Dave also holds two Bachelor of Science Degrees, one in Human Resource Management, and the other in Fire Service Administration.
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In Dave Fornell’s Fire Stream Management Handbook, Evaluation and Testing is covered thoroughly in its own dedicated chapter. In this episode Dave discusses what goes into doing it properly and the importance of being diligent in your efforts to be successful on the fire ground. CONNECT...
In standpipe operations the time may occur that you stretch short or just need more working length. Using an Increaser this evolution is simplified. Specially designed to be compact and without rocker lugs, Eric Tollund breaks down how to perform this operation using one. CONNECT WITH US Click Here...
Extending a line using a leader line tip or from a shutoff is an operation that can happen when a smaller line may be needed for maneuverability or mop up after a hit with a 2-1/2”. In this episode Jon Hall reviews this tactic and some considerations for extending the line and securing it. CONNECT...
In this episode Steve Robertson reviews the Bent and Straight Overhaul Tips.
