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I would agree with flow testing your own to get "true" flow figures. One other thing I would check would be from the manufacturer of the nozzle what their nozzle pressure they recommend.
For example: We use a combination…"
"The textbook answer to the difference between "wet & dry" has more to do with the ratio of air to water (simplified). Here is what we use as our definitions:CAFS Foam Types according to NFPA 1145:
• WET- High water content. Can…"
In the recent years, there has been an effort to teach and explain the uses of "wet" foam and "dry" foam streams in CAFS operations. There is still many different opinions in this concept and may different theoretical…"
"Here in my department, we currently use a hose "bundle" system that utilizes two bundles: one 100' 1 3/4" and one 150' 1 3/4 which connect to a gated wye for the purpose of reaching any fire that is beyond the reach of our…"
We have CAFS on all of our first out engines. We have never received any formal training on using CAFS for interior operations. We know how to make water, foam and air come out, but we are looking for an opinion on the actual application…"
"Congratulations on the new kid!!! Yes, we are teaching two classes this year, Suspended Ceilings and Tricks of the Trade. We leave on Monday and come back next Saturday. Stay safe, and keep in touch."
We have CAFS on all of our first out engines. We have never received any formal training on using CAFS for interior operations. We know how to make water, foam and air come out, but we are looking for an opinion on the actual application of CAF on interior fires. From what I have read I think we should be using foam, but not at reduced flows. I am getting the finishing touches on an SOP and lesson plans for drills coming up in August.
I thought maybe you would like to chime in on how much water you actually flow with CAFS in 1 3/4" and 2 1/2" lines.
Any help is appreciated!
Also: check out the pictures on my page. The fire that is shown was fought using CAFS. The first line off was a 2 1/2" CAFS line. The knock down was quick and we made a good stop. We were however attacking from defensive positions. We did stop it from getting inside the house.
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