Roland, could you elaborate a bit. On the surface I seem to disagree with
your statement "Just because it's an R occupancy and one dwelling unit, that
doesn't make it a one or two family dwelling for which 13D..."
IFC (2000) 903.2.5 says 13D is allowed in I-1's 903.2.9 says 13D is allowed
in R-4. So even some I's the IFC thinks are acceptable with 13D, never mind
the R portion. Perhaps something changed in the newer editions?
What Mike describes is one dwelling unit, seems to be within 13D. No where
in 13D does it suggest what constitutes a family. We all know that is a
very gray area these days. Unrelated occupants in a single dwelling still
should be within the scope of 13D. The occupancy is residential in nature.
No where does it limit the size of a building within 13D, although it
probably should. For me if you start getting past 8-10,000 sq. ft. you
might start thinking about a higher level of protection. But that's another
discussion.
Sure is there some discussion about the abilities of the occupant for self
rescue but that seems to have been decided by 903.2.5 and 903.2.9 based on
the number of people living there not necessarily the abilities. If based
on abilities any home with young kids (or parents after a few cocktails on a
Friday night) would not be compliant with 13D.
And hey as humorous justification for 13D just about any place the Federal
Gov't specifies it for some buildings where there is no city water supply.
Let's skip most of the building and just put 13D in the office portion. I
know we all put our faith in the Gov't to do it right.
Chris Cahill, P.E.
Fire Protection Engineer
Sentry Fire Protection, Inc.
763-658-4483
763-658-4921 fax
Email: [EMAIL PROTECTED]
Mail: P.O. Box 69
Waverly, MN 55390
Location: 4439 Hwy 12 SW
Waverly, MN 55390
---- Roland Huggins <[EMAIL PROTECTED]> wrote:
>Look at the building code. For instance, an R-4 is for residential
>care/assisted living for up to 16 people. Just because it's an R
>occupancy and one dwelling unit, that doesn't make it a one or two
>family dwelling for which 13D is limited by both its scope and IBC
>903.3.1.3.
>
>IS the AHJ saying they are comfortable if YOU choose a 13D system?
>Unless blessed by the Building Official, I would think twice about it.)
>
>Roland
>On Jun 13, 2007, at 11:21 AM, Mike Cabral wrote:
>
>>
>>Looking at a Goverment Owned Group Home located in Eastern Canada.3
>>stories 1615 sq ft each floor for a total of 4845 sq ft total. 3
>>bedrooms in the basement, 3 bedrooms on the second floor 7 bedrooms
>>on the third floor for a total of 13 bedrooms. One small kitchen,
>>3.5 bathrooms. 1 large living room 1 small sitting area and a
>>dinning room.
>>One stair way to each level. I'ts one dwelling unit I guess. . .
>>AHJ says it's 13D is he correct. Any thing above the minimum
>>reccomended here?
>>
>>Mike Cabral
>>_______________________________________________
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