Steve.

Red herring indeed. Might as well suggest the possibility of Martians
pissing in the system. Could happen. Unlikely but could. I was just
passing on arguments I've heard from purveyors.

On Wed, Nov 3, 2010 at 2:45 PM, Steve Leyton <[email protected]> wrote:
> That's a really cool report that I hadn't seen before, but addresses
> systems comprised of non-potable water piping, such as (and especially)
> black steel.  It is possible to build a completely NSF-compliant
> sprinkler system out of potable grade components, so why would a
> backflow be required?     And don't say stagnant water Ron - that's a
> red herring and there is no code requirement in any published standard
> that refers to good or standard practices in that regard.   Every
> plumbing system has dead ends - every fixture is on a dead end, for
> cryin' out loud.
>
> SL
>
>
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Forest
> Wilson
> Sent: Wednesday, November 03, 2010 2:36 PM
> To: [email protected]
> Subject: Re: 13D Backflow prevention
>
> Please refer to the following:
>
> http://www.waterresearchfoundation.org/research/topicsandprojects/execSu
> m/158.aspx
>
> and
>
> http://books.google.com/books?id=X-f_x07RIgQC&pg=PR26&lpg=PR26&dq=wet+sp
> rinkler+systems+and+water+contamination&source=bl&ots=S_8_-SeIho&sig=lTv
> besgZN9ZbVT5nqrH3kGmc5kM&hl=en&ei=BM_RTPW8MZWSjAeCioW4DA&sa=X&oi=book_re
> sult&ct=result&resnum=2&sqi=2&ved=0CBYQ6AEwAQ#v=onepage&q=wet%20sprinkle
> r%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
> *******************************************
> 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.
> *******************************************
>
> _______________________________________________
> Sprinklerforum mailing list
> [email protected]
> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
>
> For Technical Assistance, send an email to: [email protected]
>
> To Unsubscribe, send an email
> to:[email protected]
> (Put the word unsubscribe in the subject field)
> _______________________________________________
> Sprinklerforum mailing list
> [email protected]
> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
>
> For Technical Assistance, send an email to: [email protected]
>
> To Unsubscribe, send an email to:[email protected]
> (Put the word unsubscribe in the subject field)
>



-- 
Ron Greenman
Instructor
Fire Protection Engineering Technology
Bates Technical College
1101 So. Yakima Ave.
Tacoma, WA 98405

[email protected]

http://www.bates.ctc.edu/fireprotection/

253.680.7346
253.576.9700 (cell)

Member:
AFSA, SFPE, ASCET, NFPA, NFSA, AFAA, ASEE, NIBS, WSAFM, WFC

They are happy men whose natures sort with their vocations. -Francis
Bacon, essayist, philosopher, and statesman (1561-1626)
_______________________________________________
Sprinklerforum mailing list
[email protected]
http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum

For Technical Assistance, send an email to: [email protected]

To Unsubscribe, send an email to:[email protected]
(Put the word unsubscribe in the subject field)

Reply via email to