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Food for Thought: Pump Pressures for Attack Lines

Becoming a driver/operator can be a fairly intimidating step in one’s career.  No matter how much training and/or experience you had as a firefighter, the pressure of being the one responsible for the safety of an attack crew causes some to question what they know is right.

Over the past few years, I have discussed the following question numerous times with driver/operators of varying experience levels.  I am going to share the question, and my answer/opinion, with you.  Please feel free to share your thoughts.

The question is…

When pumping an attack line, should the operator pump what they are supposed to have by the numbers (length, size, flow, friction loss) or give them enough to start with (so as not to “beat up” the crew) and rely on radio communications to adjust?

My answer/opinion is…

Give them what the numbers say they are supposed to have.  It is the pump operator’s job to make sure that the attack crew has what they are supposed to have because…

  • The safety and trust of the attack crew rests with their confidence in the operator to get them the water they need, when they need it.
  • Radios are usually the weakest link in the fireground communications process and are unreliable for numerous reasons.
  • Line size, length and nozzle selection is based on the numbers
  • Neither the attack officer nor the IC can determine the effectiveness of the attack if they are not putting the CORRECT gpm on the fire to begin with.
  • Any reductions in flow could/should indicate a kink in the line, burst or damaged section, or mechanical problem with the pump. It should never be a result of operator error.

Though noble is theory, the most common reasoning I’ve heard behind lower pressures initially is to make it easier on the attack crew.  However, there is a fundamental breakdown with this theory.  If the nozzle firefighter cannot handle the nozzle, it may be due to lack of training, improper nozzle positioning (i.e. pistol grips), lack of adequate backup on the line or any combination of these.

Though it’s drivers who usually bring up the question of attack line pressure, the issue is really  brought about by firefighters who express concern about nozzle pressure (having too much).  I stand by my opinion and would encourage crews to practice nozzle tactic training, especially the teamwork between the nozzle and backup firefighters.  Most fires are controlled with the first attack line.  There is also a cliche that “as the first line goes, so goes the fire.”  With that being said, let’s get it right the first time and take the fight to the fire.

Below are a few links to give you some training ideas.

Thanks and Be SAFE


Video from Brotherhood Instructors- Engine Company Ops

Article/Post from Traditions Training- “Play Like You Practice…”

Posted in Engine Work, Fire Rescue Topics, Firefighting Operations, Training & Development

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What it Takes To Be Aggressive

I started this blog to educate members of the fire service as to what it REALLY means to be a safe, aggressive, fundamentally sound and efficient firefighter.  The interaction of all these principles is equally as important as any one by itself.  Of each of these, the principle of being aggressive seems to be the black sheep that no one really wants to talk about due to its “stigma”.

If you are not willing to aggressively perform ALL of the tasks necessary to extinguish a fire, then you are, or will be, lacking in the other three principles.

In our business, being aggressive reflects confidence in your abilities and those of your crew(s). There are, however, conditions to being an aggressive firefighter/crew. Lack of adherence to these conditions results in the actions of the ignorant and foolish and THIS is what causes firefighter injuries and deaths. This ignorance, disguised as being brave and aggressive is what gives the term “aggressive” its stigma.

To be truly aggressive at a fire, you have to:

  • Know and understand ALL equipment on your rig
  • Know and understand your role on the fireground
  • Know and understand ALL types of building construction
  • Know and understand how to “read smoke”
  • Understand the effects of fire on roof and floor systems
  • Size-up the building and fire conditions BEFORE making tactical decisions (regardless of rank)
  • Fully understand the principles of BTU vs. GPM
  • Understand what aggressive AND coordinated ventilation means
  • Realize that ladders are for US also
  • Realize that a fire is not out until we put it out
  • Realize that a building is not clear until we clear it
  • Have adequate resources on scene to execute “Plan B”
  • Be able do ALL of these things at EVERY fire!

If you, as a firefighter, fire officer and/or command officer can account for all of the above, then your decisions will be educated and your risks will be managed.  However, if you cannot, then you may be flirting with disaster.  Will you be aggressive…or ignorant?

Thanks and Be SAFE.

Posted in Command & Leadership, Firefighting Operations, Training & Development

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