According to NFPA answer, you were right Richard, howeever NFPA answer was
short for item 3.
What I want to ask is simulating a real project like below:
Imagine in a factory I want to select fire pump for my below demand:
1- Total demand of deluge system: 1500 GPM
2- Total demand of wet pipe sprinkler system: 700 GPM
3- Total demand of hose streams: 300 GPM.
Total water demand: 2500 Gpm, Total pressure: 100 psi
For this project as my source of power is reliable, I want select TWO
parallel electric pumps with below specifications:
Scenario 1: Two pumps( First: 1250Gpm ,100 Psi - Second: 1250 Gpm ,100Psi )
Scenario 2: Two pumps( First: 1500Gpm ,100 Psi - Second: 1000Gpm ,100Psi )
Scenario 3: Two pumps( First: 1500Gpm ,100 Psi - Second: 1500Gpm ,100Psi )
As my deluge demand is 1500 GPM, so which scenario is the best for my project?
Note that I want to select one of the above scenarios and don't have any
other options.
Would you also please analyze each item.
Thanks,
Reza
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