Multiple Fire Pumps on Single Transformer

[Woobie]

Does the NEC, NFPA 20, or common sense prohibit multiple Fire Pumps from being fed off a single service-tapped transformer? I know code want's a "dedicated feeder," but I'm not sure if this situation falls under that or some other clause that I'm not seeing.

More details on the situation:

There's an existing medium voltage service feeding a two-building campus. The service lineup has a separate tap + fused disconnect ahead of the main MV disconnect. That disconnect feeds a step-down transformer (in the same service lineup) and one existing Fire Pump.
Due to a site reconfiguration, there is now a need for two separate fire pumps (each feeding a separate building). We'd like to avoid using diesel fire pumps and definitely want to avoid tapping into the service bus. I'm wondering if it'd be allowed to - given physical feasibility - double-lug the FP transformer and provide a separate feeder from the transformer secondary to each fire pump controller (two total).

Thanks!

 

[augie47]

Art 695.3 only requires the supply be from a "reliable" power source.
I see no problem with both being fed from one transformer with adequate capacity but I guess it would be up to your AHJ & other authorities to call that "reliable"

 

[Woobie]

Good point. I've run afoul of that one in the past. Reliability aside, just checking to see if I missed something that would prohibit two FPs from one xfmr.

Thanks!