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I am trying to find a basis for calculating the required Nitrogen pressure and velocity for blowing a 2inch solvent pipeline. The aim is to empty the solvent line as much as possible following a centrifugal pump transfer. The pipe run is approximately 50meter in length that has both horizontal...

I know this is a broad question but can anyone provide information on what is a recommended Fire Water Storage Capacity for a Chemical Facility. All I can find in the NFPA 22 code, 1-5.1 Water Tanks for Private Fire Protection is that "the size and elevation shall be determined by...