Just playing Devil's advocate.  

But for a few locations no sprinkler system is required.  Therefore any would 
be a tremendous improvement.  

A vast majority of the fires in homes (well anywhere) don't start in concealed 
spaces.  Therefore focusing on the probability seems reasonable when the goal 
is only life safety.   

Even lowly 13D systems still put out a lot of fires even though not designed 
for that.  Therefore focusing on the probability seems reasonable.  

Story suggests it's a paid FD which usually are closer in response time than 
volunteer departments.  Therefore one would expect even if the 13D didn't put 
out the fire the FD would be close and have a better chance of suppressing.   

And I'm rather sure the fire doesn't know it's in a 2,000 sq.ft. home or 4 
story apartment or 200,000 sq.ft. home.  Any incipient fire and even 
well-developed stage has nothing to do with the size of the building.   Sure 
the time it takes to burn to the ground would be different but that's obviously 
something sprinkler designs don't care about.  

I have personally had a house fall on me and my FF crew from a fire in the 
attic.  It wasn't sprinklered. I have also had large sections of ceiling come 
down on me from water and no apparent fire in the area.  Fortunately, in both 
cases the worst injury was a sprained ankle, not me.  This firefighter was just 
really, really, really unlucky that day, but I can see how it could happen.  I 
believe questioning the sprinklers in this case might be a bit over reaching.  
The exact same thing would have happened had this been a plumbing line.  
Questioning the cause of the fire and installation of the fire place(or 
whatever it is) seems more justified.  Tolerance for people "accidently" having 
a fire is also a contributing factor.  Build as a fire hazard or leave the oil 
on the stove why you sleep one off are not prosecuted as crimes unless you kill 
someone.  Maybe if there were more penalties for 'accidents' this would have 
been avoided in the first place.     

I'll admit I've gone back and forth on the issue of setting a size limit on 
NFPA 13D.  In the big picture I can see both sides of the argument.  Starting 
to slightly lean towards leaving the limits out.  The reality vs. an 
unsprinklered house of any size and a 13D I'd take 13D every time.  We lose way 
more in these big houses if we lose sprinklers altogether vs. 13 systems for 
the rare attic problem.  I'd venture a guess we'd get more freeze ups and 
losses that way than fires in the attics.  You know what happens when a rich 
owner gets their stuff wet from a freeze up.  Many City Councils would cave on 
the sprinkler requirement altogether if they could to appease the public.  
Remember gazillion dollar houses pay bazillion in taxes every year.  Once it's 
in the attic in an unsprinkered situation the house and contents are a total 
loss in nearly all cases.  FD's take their shinny expensive toys and put on a 
great show for those who paid for said toys.  Burning it down slow for some 
reason gives the public a sense of confidence.  

I think the other question is who designed the life and property protection 
scope.  Not who designed the sprinklers.  There is no suggestion the design 
played any part.  

Chris Cahill, PE*
Senior Fire Protection Engineer, Aviation & Facilities Group
Burns & McDonnell
8201 Norman Center Drive
Bloomington, MN 55437
Phone:  952.656.3652
Fax:  952.229.2923
[email protected]
www.burnsmcd.com

Proud to be one of FORTUNE's 100 Best Companies to Work For
*Registered in: MN




-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of 
[email protected]
Sent: Thursday, February 16, 2012 12:10 PM
To: [email protected]
Subject: RE: Article: Architect pleads not guilty in firefighter's death

So the next question that comes to mind is who designed the "sprinkler" system, 
a contractor or the architect?

Agreed, good old 13D may have been permitted by code, maybe, but it may not 
have been the most appropriate for the structure.

Craig L. Prahl, CET   
Fire Protection 
CH2MHILL
Lockwood Greene
1500 International Drive
Spartanburg, SC  29304-0491
Direct - 864.599.4102
Fax - 864.599.8439
CH2MHILL Extension  74102
[email protected]


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Richard Mote
Sent: Thursday, February 16, 2012 12:10 PM
To: [email protected]
Subject: RE: Article: Architect pleads not guilty in firefighter's death

More info, article mentions an 18' indoor fire pit. This is another case where 
13D may not have been appropriate for a 6000 sq. ft. three story house. 


http://www.laobserved.com/archive/2012/02/architect_charged_in_deat.php

_______________________________________________
Sprinklerforum mailing list
[email protected]
http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum

Reply via email to