Here is a report from the US Fire Administration regarding backflows on
sprinkler systems:
http://www.usfa.dhs.gov/downloads/pdf/publications/fa-12054.pdf
On 11/3/2010 5:52 PM, Ron Greenman wrote:
Neither of these studies are referring to residential CPVC potable
piping but to:
IMPACT:
Cross-connection control for Class 1 and Class 2 wet-pipe fire
sprinkler systems using approved backflow prevention assemblies on new
construction is recommended based on the following findings: (1) water
quality within the black-steel wet-pipe fire sprinkler systems exceed
drinking water standards;
The peg the hat is hung on with residential CPVC and PEX is the lead
in the heads and the stagnant water in the tree.
On Wed, Nov 3, 2010 at 2:36 PM, Forest Wilson<[email protected]> wrote:
Please refer to the following:
http://www.waterresearchfoundation.org/research/topicsandprojects/execSum/158.aspx
and
http://books.google.com/books?id=X-f_x07RIgQC&pg=PR26&lpg=PR26&dq=wet+sprinkler+systems+and+water+contamination&source=bl&ots=S_8_-SeIho&sig=lTvbesgZN9ZbVT5nqrH3kGmc5kM&hl=en&ei=BM_RTPW8MZWSjAeCioW4DA&sa=X&oi=book_result&ct=result&resnum=2&sqi=2&ved=0CBYQ6AEwAQ#v=onepage&q=wet%20sprinkler%20systems%20and%20water%20contamination&f=false
These are reports on the impact of wet sprinkler systems on water quality.
Testing indicates that water from fire sprinkler systems is not potable.
On 11/3/2010 5:01 PM, Gary Stites wrote:
I am actually looking for your opinions as our water purveyors are asking
us
for assistance and education...
On Wed, Nov 3, 2010 at 1:51 PM, Gary Stites<[email protected]> wrote:
The water companies in our area are concerned about backflow prevention
on
13D systems. With California adopting the IRC all the AHJ's are
scrambling
to put their spin on it!
Anyway, what are the backflow concerns on a CPVC system that is not
intertwined with the plumbing system? There is talk of requiring RP
devices
etc. Is a check-valve not sufficient?
Thank You
--
Gary Stites
661-213-9379
www.bakersfieldnbc.org/worshipteaminfo
www.wgt.com/clubs/the_lookouts/default.aspx
www.sprinklersoft.net
Pandora Station http://www.pandora.com/?sc=sh43464983213902734
--
Forest Wilson
Project Manager
Cherokee Fire Protection Co.
1855 Bellbrook Ave Ste C
Xenia OH 45385
ph: 937-376-2333
fx: 614-455-4324
www.cherokee-fire.com
Visit our blog: www.cherokee-fire.blogspot.com
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--
Forest Wilson
Project Manager
Cherokee Fire Protection Co.
1855 Bellbrook Ave Ste C
Xenia OH 45385
ph: 937-376-2333
fx: 614-455-4324
www.cherokee-fire.com
Visit our blog: www.cherokee-fire.blogspot.com
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This email and any files transmitted with it are confidential and intended
solely for the use of the individual or entity to whom they are addressed. If
you have received this email in error please notify the system manager. This
message contains confidential information and is intended only for the
individual named. If you are not the named addressee you should not
disseminate, distribute or copy this e-mail. Please notify the sender
immediately by e-mail if you have received this e-mail by mistake and delete
this e-mail from your system. If you are not the intended recipient you are
notified that disclosing, copying, distributing or taking any action in
reliance on the contents of this information is strictly prohibited.
*******************************************
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