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Flow rate

superdave
Member Posts: 155
Does any know the quick rule of copper flow rate for domestic water 1/2" - 2" piping per 100' at 70 PSI? I have new job and the they want to run 14 bathroom house with 5 bathrooms at 100% capacity at 24.5 GPM per shower for a total GPM of about 122. Also want to run for 15 min. in the AM
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