I'm not sure the reference to 8.3.8 would apply.

First, John mentioned he was working with the 2010 edition of 13D. That edition doesn't contain this language.


Second, if John were working with the '16 edition then 8.3.8 would not apply in my opinion as the "storage areas" are not exterior, and are only accessed from inside a portion of the dwelling unit.

just my thoughts,
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On 02/09/2018 11:56 AM, Fire Design wrote:
If it's a 13D system then:
13D 8.3.8    Sprinklers shall not be required in closets in garages and exterior closets (regardless of size) located on exterior balconies, exterior breezeways/corridors, or accessed from outdoors where the closet does not have doors or unprotected penetrations directly
into the dwelling unit.

Is the building classified as an R-3 occupancy? The '13' reference on the code analysis page might be a mistake if it is but you can always give the architect a call to see if that's the case. Otherwise I agree - this layout looks a little odd for a 13D but it is what it is unless the local ammendments have anything to add to the situation.




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On Fri, Feb 9, 2018 at 12:15 PM, Paul Cetani <pa...@norcalfire.com <mailto:pa...@norcalfire.com>> wrote:

    This is pretty cut and dry here in Nor Cal. We have to sprinkler
    garages for most of our homes due to local AHJ requirements. 😊

    Even if you sprinkler the garage, still seems like 13D to me.

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    *From:* Sprinklerforum
    [mailto:sprinklerforum-boun...@lists.firesprinkler.org
    <mailto:sprinklerforum-boun...@lists.firesprinkler.org>] *On
    Behalf Of *John Irwin
    *Sent:* Friday, February 09, 2018 11:08 AM
    *To:* sprinklerforum@lists.firesprinkler.org
    <mailto:sprinklerforum@lists.firesprinkler.org>
    *Subject:* Abuse of 13D?

    Ok someone help me make an argument that this is not a 13D
    installation. This is the garage level of a two family home.
    However, the units are stacked on top of each other. Both units
    share a single lead-in (also shared with domestic). 13D 2010 is
    pretty clear that garages are not sprinklered. Code analysis page
    references NFPA 13 and not 13D. Sprinkler “engineered” page calls
    for 13D and shows no floor control on the garage level. (I think
    at a minimum the storage rooms need sprinklers as the garage
    exception is just for the garage)

    What say you smart people?


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