A frontage increase "ONLY" is an adjustment to Table 503. If this is the
only increase in area, then you would not apply the sprinkler increase,
because you just "Adjusted" the base line of Table 503.
So and R-2 on a 50' frontage could be 12,000 Sf per floor, but a R-2 on
5000' frontage could be 12,000+ per floor,(I didn't work the formula) with
no alteration to the sprinkler requirement.
Thom McMahon
Firetech, Inc.
2560 Copper Ridge Dr
Steamboat Springs, CO 80488-2136
Tel: 970-879-7952
Fax: 970-879-7926
----- Original Message -----
From: "George Church" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, May 21, 2007 9:29 AM
Subject: RE: IBC 2003 & 13 vs. 13R
Right- but this is a FRONTAGE increase, not the sprinkler increase.
glc
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Joe Burtell
Sent: Monday, May 21, 2007 11:20 AM
To: [email protected]
Subject: RE: IBC 2003 & 13 vs. 13R
I believe it would push you to a full 13 system. From the 2003 IBC:
506.3 Automatic sprinkler system increase. Where a building is equipped
throughout with an approved automatic sprinkler system in accordance with
Section 903.3.1.1, the area limitation in Table 503 is permitted to be
increased......
When it says per 903.3.1.1, that section references NFPA 13. If it would
have added 903.3.1.2, that would be a 13R. Some section allow both 13 and
13R but this increase only allows a 13 system for the trade off.
Joe Burtell, SET, CFPS
Burtell Fire Protection, Inc.
[EMAIL PROTECTED]
www.burtellfire.com
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Ken
Holsopple
Sent: Monday, May 21, 2007 8:36 AM
To: [email protected]
Subject: IBC 2003 & 13 vs. 13R
Dear forumites,
I have an independent living facility that has three of the four floors
that
are in excess of the 12,000 sq. ft. (+/- 17,000 sq. ft) limit established
by
Table 503. The architect specified NFPA 13R as the design standard.
The use group is R-2 and the construction type is VA.
If an area increase is taken due to frontage (hence the 17,000 sq. ft.),
would that automatically push this into a full NFPA 13 system?
Best Regards,
Ken Holsopple
Design Manager
Rowe Sprinkler Systems, Inc.
570-837-7647
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