Craig,
Don't be to greedy with the gold stars to that poor engineer or one
day you might have to hand over one of your own.
The engineer did not take any license, he only quoted the most recent
edition of NFPA 13.
The word "accessible" might not be in the 2007 edition, but it does
show up in the 2010 edition:
"8.15.3.2.1 In noncombustible stair shafts having noncombustible
stairs with noncombustible or limited-combustible finishes,
sprinklers shall be installed at the top of the shaft and under the
first accessible landing above the bottom of the shaft."
In fact the word "accessible" is the only difference in the wording
of this paragraph between the two editions.
Met vriendelijke groet / Yours sincerely,
Frans Stoop
TOS architecture & fire protection
Netherlands <[email protected]>
Tel. +31-24-324 0112
At 06:39 11-3-2011 -0700, you wrote:
Under the lowest landing due to the possibility of that space being
used for storage. If the space is totally enclosed then there is no
access for storage and no head is required if the stair is
non-combustible. The spec is correct. <sigh> The Engineer has
taken some license on his quote of the 13 section. The word
"accessible" is not in the script. So no gold star for him.
NFPA 13, 2007 - 8.15.3.2.1 "In noncombustible stair shafts having
noncombustible stairs with noncombustible or limited combustible
finishes, sprinklers shall be installed at the top of the shaft and
under the first landing above the bottom of the shaft."
Craig L. Prahl, CET
Fire Protection
CH2MHILL
Lockwood Greene
1500 International Drive
Spartanburg, SC 29304-0491
Direct - 864.599.4102
Fax - 864.599.8439
CH2MHILL Extension 74102
[email protected]
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Cory Power
Sent: Friday, March 11, 2011 7:19 AM
To: [email protected]
Subject: Sprinkler under first accessible landing
I have an an engineer asking to provide a sprinkler under the first
landing of a non-combustible stairwell. The spec for the job states that
"Sprinkler shall be installed at top of shaft. Space below first landing
is considered concealed, non-accessible, non-combustible, and hence does
not require sprinkler protection."
he engineer who is reviewing my plans sent me an email stating the
following:
*8.15.3.2 Noncombustible Construction.*
*8.15.3.2.1 *In noncombustible stair shafts having noncombustible stairs
with noncombustible or limited-combustible finishes, sprinklers shall be
installed at the top of the shaft and under the first
accessible*landing*above the bottom of the shaft.
We always took this to mean the sprinklers are required under the first
landing? And by accessible we took this to mean access could be provided
by a access panel.."
Is this the way I should be interpreting the code? Do I still have to
sprinkler under the landing and make sure there's an access hatch? or
should I be able to omit it like the spec indicates?
I have been following this forum for a while now. This is the first
question I have posted.
- Cory
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