I would at a minimum speak with the local AHJ, as they may require a permit.
If you intend to replace all of the piping with plastic, the AHJ may not
permit the use of antifreeze in this new system.
Is this a residential system?
On 8/8/2014 4:40 PM, Brad Casterline wrote:
It just occurred to me though Douglas (on a smoke break as usual) I would be
worried that the existing pipe size is per code, so I would calc it anyway.
-----Original Message-----
From: Brad Casterline [mailto:[email protected]]
Sent: Friday, August 08, 2014 3:30 PM
To: [email protected]
Subject: RE: copper pipe vs CPVC
Both C=150 and the best part is it looks like the I.D of CPVC is bigger than
type K,L, and M copper.
Brad
-----Original Message-----
From: Douglas Hicks [mailto:[email protected]]
Sent: Friday, August 08, 2014 1:41 PM
To: [email protected]
Subject: copper pipe vs CPVC
One of our group homes has leaking copper pipe. The owner told me their
experience is to replace the copper with CPVC. I like that, faster and
easier for us. But, do I need to get the system re-engineered when changing
to CPVC? Can I just replace size for like size?
The system is 20+ years old so I am going to propose new sprinklers.
Besides, some of the heads are corroded and some have paint on them.
We will also provide a means to test the antifreeze, at present there is no
way to test the solution.
I am going to exclude sheet rock and painting from the job.
Douglas Hicks
General Fire Equipment Co of Eastern Oregon, Inc
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