It is something to think about I guess. But since the purlins are the
structural members impeding the heat flow, where does BAY come in? 

-----Original Message-----
From: Matthew J. Willis [mailto:[email protected]] 
Sent: Tuesday, October 26, 2010 8:58 AM
To: [email protected]
Subject: RE: Maximum Deflector Distance below Z Purlins

I always thought subsection (3) superseded when spaced in the bays.? 

 R/
Matt

 

Matthew J. Willis, CET
Automatic Fire Sprinklers
Norred Fire Systems L.L.C.
318-387-1134 Voice
318-816-1087 Mobile
318-387-1163 Facsimile
[email protected]

> >-----Original Message-----
> >From: [email protected] [mailto:sprinklerforum-
> >[email protected]] On Behalf Of Brad Casterline
> >Sent: Monday, October 25, 2010 2:00 PM
> >To: [email protected]
> >Subject: RE: Maximum Deflector Distance below Z Purlins
> >
> >If the purlin spacing does not exceed 7'-6", I think so.
> >
> >-----Original Message-----
> >From: Bobby Gillett [mailto:[email protected]]
> >Sent: Monday, October 25, 2010 1:53 PM
> >To: [email protected]
> >Subject: RE: Maximum Deflector Distance below Z Purlins
> >
> >If my understanding is correct, this is considered obstructed
> >construction
> >now so it would be per 8.6.4.1.2 and if the scenario is typical to most
> >purlin buildings you should be able to utilize 8.6.4.1.2 (1) 1"-6". What
> >say
> >everyone else?
> >
> >
> >
> >Bobby Gillett
> >
> >Sr. Project Manager
> >
> >Key Fire Protection, Inc.
> >
> >(731) 424-0130 office  (731) 424-9285 fax
> >
> >(731) 267-4853 cell
> >
> > <mailto:[email protected]>
> >[email protected]
> >
> >
> >
> >
> >
> >  _____
> >
> >From: [email protected]
> >[mailto:[email protected]] On Behalf Of Mike
> >Hairfield
> >Sent: Monday, October 25, 2010 1:44 PM
> >To: AFSA SprinklerFORUM
> >Subject: Maximum Deflector Distance below Z Purlins
> >
> >
> >
> >
> >
> >OK Metal building with 9 1/2" Z-Purlins, what is maximum distance that
> >the
> >deflector can be below the
> >bottom of the Purlin.
> >
> >Mike
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