I have a question about row B in table E103.3(1) in the 2018 IPC. I am being told that column B (highest pressure at fixture (t-604.3)) should be omitted from the calculation. If this is true, why would it be in the table? I am confused because I would consider it a pressure loss that needs to be accounted for and I always account for it. Does anyone else use this table and if so, do you omit row B?
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