I am currently working on a project where the water heater closet is interior
of the exterior wall but the only access is from the outside.
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT
860-535-2080 (ofc) 860-608-4559 (cell)
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Dampers are used to mitigate against migration between fire areas. Since
this sounds like an air handler only (or perhaps electric heat strips)
that's moving the unit air you don't need dampers. Certain jurisdictions
like protection in storage outside closers on decks because the more
challenged am
Outside of the exterior wall.
This is what always made me believe that it was needed. The code says
unprotected penetrations. Since the duct work did not have fire dampers I took
that as an unprotected penetration.
6.9.7 Sprinklers shall not be required in closets on exterior balconies,
rega
Is the closet inside or outside of the exterior wall?
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT
860-535-2080 (ofc) 860-608-4559 (cell)
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On Wed, Aug 24, 2016 at 2:05 PM, John Irwin
wrote:
NFPA doesn't care about dampers or duct. If there is access to the unit it
needs a sprinkler. If there is only access to the balcony than there is no
sprinkler needed. I didn't take the time to look this up (I almost ALWAYS
double check) but I'm 99.9% certain.
John Irwin
Manger - Fire Sprinkler
I know you are using 2007 edition, but the 2013 edition's introduction states
"Further clarification
was also added stating that sprinklers are not required on balconies or balcony
closets."
Feel free to contact me with any questions.
Regards,
Timothy Easter, PE
Fire Protection Engineer, Fire Pr
The current code for this area is NFPA 13R, 2007.
I am in a discussion with an engineer regarding the need for sprinklers in a
mechanical closet located on a balcony. My stance is that they are needed, and
the engineer is in disagreement stating that he has done this same design all
over the c
