You have to read A and B that follows. It starts talking about ceiling
pockets less than or greater than 36".
On 12/4/2011 2:59 PM, George Medina Jr wrote:
Forum,
Can somebody help me understand the reason for Section 8.6.4.1.1.3? of NFPA-13,
2010 ED.
Does NFPA-13, 2010ed.,section 8.6.4.1.1.3 allow me to locate the deflector as
if it were obstructed construction?
8.6.4.1.1.1 - Under unobstructed construction, the distance between the
deflector and the ceiling shall be a minimum
of 1 in. and a maximum of 12 in. throughout the area of coverage.
8.6.4.1.1.3 - The requirements of 8.6.4.1.1.1 shall not apply for light and
ordinary hazard occupancies with ceilings of non-combustible
or limited combustible construction.
Thank You,
George Medina Jr.
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