The original post was a generic question. We do not know the nature
of the construction, how the building is classified under the
applicable Codes, nor the rating of the separation between the two
occupancies. Does the Code consider it entirely considered a Group R
or is it a mix of R and S-1? That would beg is this a residential
occupancy or would it be mixed use? 13R or 13?
The interesting anomaly is that according to 13R, if you have
sufficient fire separation you have to meet the full requirements of
13, but if you don't, you only need meet "13 Light".
At 08:35 AM 1/8/2009, you wrote:
>OK. This is a garage below dwelling units. Does 6.7.2 apply or does
>6.7.3? 2 allows you to drop the hose stream, etc., but 3 just says
>design per 13, which I interpret to mean all of 13, including hose demand.
Todd,
Your point is noted, however look at 6.7.3.2 which refers you back to
6.7.2.1. From David's description, I would think this would apply. If I
recall from another thread, a horizontal fire separation per the IBC/UBC is
pretty difficult to accomplish. But is possible?
Best Regards,
Ken Holsopple
Design Manager
Rowe Sprinkler Systems, Inc.
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Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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