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.

Paul B. Cetani
Exec. Vice President

Nor Cal Fire, Inc.
16840 Joleen Way, Bldg A
Morgan Hill, CA 95037
T 408-776-1580
F 408-776-1590<><>

From: Sprinklerforum [] On 
Behalf Of John Irwin
Sent: Friday, February 09, 2018 11:08 AM
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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