Personally, I steer clear of multi-purpose piping systems. I know
which handle makes it flush and how to do some simple home repairs,
but my knowledge of plumbings stops there. I'm not going to get
involved with anything which opens me up to that much liability (and
outside of my area of expertise). NFPA does allow multi-purpose
systems and they should realize that most design will be done by
people outside of the profession, or by the limited number of people
who are trained in both. If someone else wants to, let them have at
it. (This, of course, is spoken as a PE/Designer. If I were an AHJ,
this could cause me a lot of headaches)
At 09:18 PM 2/22/2008, you wrote:
Okay Sprinkler Guys
Today at the ICC code hearings the Plumbing Committee heard RP3 and RP8.
See the code change here (scroll one or two changes down to RP3)
http://www.iccsafe.org/cs/codes/2007-08cycle/ProposedChanges/V2_RP1-8.pdf
This is a code change which would give installation requirements for
multi-purpose piping for sprinkler systems in the body of the residential
code (a modified pipe schedule like system). RP3 passed and RP8 was denied.
Now this was the committee action and it may be debated on the final action
hearings in September.
The code change only applies to multipurpose piping in one and two family
dwellings. It has many layers of built in safety. A designer would still
be allowed to utilize a 13d system and this really provides an option for
the user.
I am just curious what you all think? I know as sprinkler designers we may
feel like we should not like this, but the intent is to make sprinkler
installation in homes as convenient as possible.
(ps there was a floor amendment which clarified hangers and some other
issues)
Michael O'Brian
Code Savvy Consultants
313-618-6401
fax 313-557-0294
www.codesavvyconsultants.com
www.inspector911.com
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Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
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