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PUMPER TRUCKS HOSES AND PSI
What is the average number of hoses on a pumper truck and how much PSI of water is going through them? What is the rate of flow of the water(gallons per minute)?
Replies to This Discussion
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Permalink Reply by Tommy Lewis on
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Gina,
That is a tough question to answer when you take into consideration all of the different pump flow ratings and configurations that departments spec trucks. pressures and flow rates depend on the task at hand and the equipment being used.
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Permalink Reply by John Crabbe on
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As mentioned pressure and gallons per minute as well as how much hose is carried will vary. Pumps on trucks are rated for their gallons per minute, anywhere from 500 gpm to 2500 gpm. This does not mean this is what they will always flow and things vary by departments and even events.
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Permalink Reply by Mike Schlags (Captain Busy) Retd on
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OK... I'll take the other road... but I don't do this to be a smart ass, but instead try to answer your question... :D
This is an easy question to answer when you take into consideration all of the different pumps flow ratings and configurations that departments spec out their apparatus. The good news is that for most departments, and by that I mean pretty much everybody, we are not dealing with someone who wants to create a high performance vehicle with all the bells and whistles. Instead, what people use when purchasing apparatus is to follow guidelines referred to "Typing Vehicles".
Each piece of apparatus has been classified or "typed" into a specific vehicle type. These types are then used as a category when ordering equipment for mutual aid responses.
PRIMARY MOBILE SUPPRESSION RESOURCES (Minimum ICS Standards)
RESOURCE_______RADIO CALL ____COMPONENTS ________TYPES
___________________________________________1 2 3 4
Engine Company __Engine_________Pump _________1,000 GPM___500 GPM___120 GPM_____50 GPM
_______________Telesquirt*______Water Tank_______400 Gal.___400 Gal.____300 Gal.____200 Gal.
_____________________________Hose 2 1/2"_____1,200 Ft.____1,000 Ft.___ -_______-
_____________________________Hose 1 1/2"______400 Ft._____500 Ft.____1,000 Ft.___300 Ft.
_____________________________Hose 1"_________200 Ft._____300 Ft.______800 Ft.___800 Ft.
_____________________________Ladder___________20 Ft. Ext.___20 Ft. Ext_-_______-
_____________________________Master Stream____500 GPM____-_________-_______-
_____________________________Personnel________4__________3________3_______3
* Engine with elevated stream capability, specify when requested.
If you want to actually see and have this document as a reference, which I highly recommend, your question and others about firefighting vehicle typing and equipment can be answered.
Enjoy and PLEASE share this with others... It's what we do... :D and I apologize for the weird lines, but this format does not allow an excel style format... your better off just going to this site, which gives you your own FOG... Field Operations Guide, which by the way is carried by every firefighter that works a wildland incident in the USA. And finally, Ext. means extension ladder...
http://www.firescope.org/ics-8x11-fog.htm
TCSS,
CBz
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