I got a comment back from a reviewer wondering why I did a 2 head calc in a
garage with dry pendents.
I pointed him to that section and he was satisfied. The garage had 6 heads
btw, due to the door shadow.
Tom Duross
It's a living room with a car in it. The Annex saying use the same
piping as the dwelling unit and allowing residential sprinklers with a
two sprinkler discharge indicates that but does not state it. we do get
additional guidance from 13R which allows garages serving a single
dwelling unit states "shall be considered as part of that dwelling unit
and uses residential sprinklers in accordance with 8.6.1 - Design
Criteria Inside Dwelling Unit". SInce 13R is a higher level of
protection, it would be hard to argue that 13D needs more.
Roland
On Feb 6, 2007, at 12:58 PM, Cliff Whitfield wrote:
I have a question for the 13D residential gurus out there. I am looking
over a drawing that a colleague did for a 13D system. The garage area
is
being sprinklered and 8.6.4 of the 2002 edition addresses this to some
degree. My question is that in the appendix (excuse me, the annex) it
states that a 2 sprinkler design with piping the same sizes as the rest
of
the dwelling may be used.
My question is what about the head spacing? It doesn't specifically
address
that and I am not sure if that means that I can space the heads out per
13D
or if they would need to be limited to 130 sf per ordinary hazard. The
AHJ
in the area is not as educated as some in larger metropolitan areas and
he
is okay with the 13D spacing for the garage. I'm just trying to make
sure
that it's per code.
Thanks,
Cliff Whitfield
Fire Design, Inc.
3784 Holly Ridge Trail
Marianna, FL 32448
Phone: 850-526-1886
Fax: 850-526-1884
Cell: 850-819-5861
www.fire-design.com
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