So what fire model did you use that will provide any degree off accuracy on
Roland Huggins, PE - Senior VP Engineering
American Fire Sprinkler Assn.
Fire Sprinklers Saves Lives
> On Aug 9, 2017, at 4:36 PM, bcasterl...@fsc-inc.com wrote:
> Quoting bcasterl...@fsc-inc.com:
> Make that 46% increase.
> If we started with 2500 and reduced to 2000 for using 286F (SR) because of
> the reasoning, "fewer heads would go off", we would have to go the other
> direction for QR. 2500x1.3=3250.
> I did a quick activation comparison with 286F SR vs 200F QR. I used a 5100
> kW t^2 ULTRA FAST design fire. In the same time 24 SR activated, 35 QR
>> If I used QR in EH I would inrease the operating area 30% of my own accord
>> for the same reason we do that for dry- - -
>> "More heads would go off".
>> Quoting "Kyle.Montgomery" <kmontgom...@aerofire.com>:
>>> NFPA 13 section 220.127.116.11.2.2 states that QR sprinklers shall not be
>>> permitted for use in extra hazard occupancies.
>>> Section 12.6.6 states that the use of QR sprinklers shall be permitted when
>>> listed for such use.
>>> So, if I have a storage occupancy where the appropriate design criteria
>>> table directs me to use an Extra Hazard design curve, can I use QR
>>> sprinklers (assuming they are listed for storage use)?
>>> I believe the answer would be “yes”, but looking for some feedback.
>>> -Kyle M
>> Sprinklerforum mailing list
> Sprinklerforum mailing list
Sprinklerforum mailing list