Jeremy,
Refer to NFPA 13, 11.1.6.3.
Size the tank for the sprinkler demand only. Times the required duration.

Regards,
G. Tim Stone

G. Tim Stone Consulting, LLC
NICET Level III Engineering Technician
Fire Protection Sprinkler Design
and Consulting Services

                117 Old Stage Rd. - Essex Jct., VT. 05452
CELL: (802) 373-0638   TEL: (802) 434-2968   Fax: (802) 434-4343
                           [email protected]

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
Jeremy
> Frazier
> Sent: Tuesday, September 03, 2013 10:19 AM
> To: [email protected]
> Subject: Fire Pump with storage tank
> 
> When you size a tank, do you size it for 150% of the fire pump demand or
> just the sprinkler demand?  Would you also need to include the hose stream
> if there is no inside hose stations?  This is the first time I'm doing one
> of these, and I would hate to get this wrong.
> 
> 
> 
> 
> 
> Jeremy Frazier
> Designer
> 
> Cavalier Fire Protection
> 
> P:571-931-1004
> 
> F:571-931-1010
> 
> 
> 
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