Hi Dale,
Maybe your question could be reframed as " has NFPA 22 ever not allowed the 
automatic refill rate to be included in the tank capacity calculation.

Mark at Aero
602 820-7894

From: Sprinklerforum [mailto:[email protected]] On 
Behalf Of Dale Wingard
Sent: Friday, January 27, 2017 12:53 PM
To: [email protected]
Subject: Tank Capacity

NFPA 22 (2013 Edition) excerpt-

4.1.4 A tank shall be sized so that the stored supply plus reliable automatic 
refill shall be sufficient to meet the demand placed upon it for the design 
duration.

I have researched earlier editions but I have not been able to find where the 
reliable automatic refill has been previously allowed; however, I recall this 
being the case.  Am I overlooking something?

Thanks,


[cid:[email protected]]

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