I disagree. For most structure and general urban work, a 38 is a)overkill, b) not agile and manouverable c) slower to deploy (than HP) d) takes longer to make up
Remember that with salvage, damage minimisation etc, having more water is not neccissarily a good thing. Using less water more effectively is better. Obviously when defensive firefighting is involved, it changes slightly, but for most internal work i'd rather a HP line over a 38.
We could get into a discussion that will go around and around, because as per usual, we all have differing experiences, but I will say that points A, B and C, certainly don't fit with my experience
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The amount of water used on a fire comes down to the operator of the branch, I'd rather have a hose I can dial down, rather than one (HP) that is left wanting in the literage department.
If anything, I find 38 MORE maneuverable than 25mm Rawhide HP lines. But of course it all depends on circumstance.
If you've got a switched on pump operator, then he should be able to have a 60m line of 38 setup for the BA operators to take by the time they have donned their sets. If you've got BA in the Cab, then the time it takes the operators to walk and grab the HP line, they could just have easily have taken helped the Pump operator finish setting up the line of 38.
I'm happy to take a line of 38 that will cover my arse if everything turns pear shaped, or if fire conditions inside are not what we expect. Nothing says you have to use your 38 at 475lpm all the time...