How to determine the fire-fighting water volume for hydrogen production via water electrolysis?

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Project overview and process flow: Electrical energy storage (transformer + battery compartment + step-up compartment) + water electrolysis; the general layout follows the petroleum standard GB50160； If the fire protection sector also adopts this standard, the minimum flow rate of fire-fighting water would have to be 150 L/S. This would result in a large volume of fire-fighting water required, and consequently larger fire pumps and water storage facilities would be necessary. The question now is whether water electrolysis falls under the petrochemical industry, and whether it is necessary to apply petrochemical industry standards in this case Judging from this, it shouldn’t be considered part of the petrochemical industry, right? I would appreciate it if someone with experience in similar projects could provide some guidance on this. Thank you