Is there an established method to "prove" that we have enough fire flow for a project site?
I understand that the premise is to be sure we have the correct water supply available at the site. We do. I'm just interested in the technical 'design' portion to validate that concept.
Typically, I run a hydrant flow test at the site with nearby available hydrants. In this case, we're adding new hydrants but I understand the water supply nearby with recent testing.
Is a hydraulic graph (N^1.85) showing the available water supply at 20 psi sufficient to "prove" fire flow, or should I be conducting some type of calculation where I'm "flowing" hydrants?
We do sprinkler calculations all the time, but I'm just curious if I'm either overcomplicating things or if there's a process for fire flow that I'm not yet doing which I should be.
Trying to get things right. Thanks in advance.
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