Exactly. Except in one section the nearest exposure is a single family house 
at least 159 ft away
  

  
  

  
  
>   
> On Sep 25, 2018 at 5:45 PM,  <Tom Duross (mailto:tduro...@comcast.net)>  
> wrote:
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> This is based upon % of openings and setbacks to property lines and not means 
> of way?
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> From:   Sprinklerforum  <sprinklerforum-boun...@lists.firesprinkler.org>   On 
> Behalf Of  Fpdcdesign
>   Sent:  Tuesday, September 25, 2018 2:52 PM
>   To:  Sprinklerforum  <sprinklerforum@lists.firesprinkler.org>
>   Subject:  Re: Exposure protection of large windows.
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> Steve,   
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> The owner and architect had an engineer review and design/spec this system. I 
> assume they looked at the building code and established criteria. However, 
> what they came up with is a 74 nozzle open deluge system that has to be 
> included with the sprinkler design. And the locations are not correct so I 
> have no idea what the final count will be. Approximately 2/3 of it I haven’t 
> found any exposure.   
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> I submitted to the contractor to send an RFI saying it is outside of the 
> scope of NFPA 13. We shall see what happens. (There are other RFIs as well.   
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> Unfortunately out here, no one hires independent FPEs to prepare specs. They 
> are all part of larger firms and quite a few of their engineers are plumbers 
> with a copy of 13.   
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>  Todd G Williams, PE
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> Fire Protection Design/Consulting
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> Stonington, CT
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> 860-535-2080 (ofc)
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> 860-553-3553 (fax)
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> 860-608-4559 (cell)
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> > On Sep 25, 2018 at 1:06 PM,  <Steve Leyton 
> > (mailto:st...@protectiondesign.com)>  wrote:
> >
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> >   
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> >
> >  This is a perfect example of where the owner and architect need to step up 
> > and establish what the CODE requires before they ask the sprinkler designer 
> > to prepare plans according to the referenced standard(s).      One of the 
> > reasons I started my firm was to address this kind of insidious scope 
> > creep.      You are NOT the code consultant of record and they’re trying to 
> > get you do figure out how to meet the fire resistive construction criteria 
> > that’s required by code or subjectively by the building official for free.  
> >     There is obviously not a prescriptive solution here (at least not that 
> > you or I can see, right?) so I would throw back to the architect via an RFI 
> > that states, “No prescriptive solution exists for this condition in 
> > referenced codes and standards.      Please specify design criteria for 
> > window opening protectives.”
> >
> >   
> >
> >     
> >
> >   
> >
> >  Just my grumpy 2¢ …
> >
> >   
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> >     
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> >
> >  SL
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> >     
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> >   
> >
> > From:   Sprinklerforum 
> > [mailto:sprinklerforum-boun...@lists.firesprinkler.org]  On Behalf Of  
> > Fpdcdesign
> >   Sent:  Monday, September 24, 2018 9:59 AM
> >   To:  Sprinklerforum
> >   Subject:  Re: Exposure protection of large windows.
> >
> >   
> >   
> >   
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> > Some of each. Example: 15 ft wide window with center 5 ft operable (tilt). 
> > I believe original window. Building circa 1920 (I believe).   
> >
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> >
> >  Todd G Williams, PE
> >
> >   
> >   
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> > Fire Protection Design/Consulting
> >
> >   
> >   
> >   
> >
> > Stonington, CT
> >
> >   
> >   
> >   
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> > 860-535-2080 (ofc)
> >
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> >   
> >   
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> > 860-553-3553 (fax)
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> > 860-608-4559 (cell)
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> > On Sep 24, 2018 at 12:39 PM,  <Steve Leyton 
> > (mailto:st...@protectiondesign.com)>  wrote:
> >
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> >  Fixed glazing or operable windows?     
> >
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> >     
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> >
> > From:   Sprinklerforum 
> > [mailto:sprinklerforum-boun...@lists.firesprinkler.org]  On Behalf Of  
> > Fpdcdesign
> >   Sent:  Monday, September 24, 2018 9:39 AM
> >   To:  Sprinklerforum
> >   Subject:  Exposure protection of large windows.
> >
> >   
> >   
> >   
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> >
> > I am looking at a project which is the conversion of an old mill. The spec 
> > calls for exposure protection on the windows in some areas. One issue I am 
> > running into is that the exposure protection table (7.8.8.4 - 2010) only 
> > covers up to 12’-0” wide windows. I have several that range from 12-6” to 
> > 15’-0” wide. Any thoughts or experience on protecting wider windows?
> >
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> >  Todd G Williams, PE
> >
> >   
> >   
> >
> > Fire Protection Design/Consulting
> >
> >   
> >   
> >   
> >
> > Stonington, CT
> >
> >   
> >   
> >   
> >
> > 860-535-2080 (ofc)
> >
> >   
> >   
> >   
> >
> > 860-553-3553 (fax)
> >
> >   
> >   
> >   
> >
> > 860-608-4559 (cell)
> >
> >   
> >   
> >   
> >   
> >
> >  _______________________________________________ Sprinklerforum mailing 
> > list  Sprinklerforum@lists.firesprinkler.org 
> > (mailto:Sprinklerforum@lists.firesprinkler.org)    
> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
> >
> >   
> >   
> >   
> >   
> >
> > _______________________________________________ Sprinklerforum mailing list 
> >  Sprinklerforum@lists.firesprinkler.org 
> > (mailto:Sprinklerforum@lists.firesprinkler.org)    
> > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
> >
> >   
> >   
>   
>   
>   
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