That would be great is we had clear access to the
pipe to do that. This is a 100+ year old mill
(and 100+ y.o. system) and there are lots of
other things in the vicinity of the main. We
would have to go a lot further away to be able to do that.
At 09:36 AM 11/11/2010, you wrote:
From a. Fitters asspect. I would just cut the
3" main , roll groove it in place and install a
3" grooved tee then reduce the bull outlet Tom
berry Precision fire protection
Service/inspections [email protected]. Sent
via DROID on Verizon Wireless -----Original
message----- From: John Denhardt
<[email protected]> To:
"[email protected]"
<[email protected]> Sent: Thu,
Nov 11, 2010 13:59:36 GMT+00:00 Subject: Re:
reduce then increase pipe sizes It is
allowed. You are not missing anything. Ask
the AHJ for a reference. John Sent from my
BlackBerry® smartphone with Nextel Direct
Connect -----Original Message----- From: Todd
Williams <[email protected]> Sender:
<[email protected]>
Date: Thu, 11 Nov 2010 08:50:35 To:
<[email protected]> Reply-To:
<[email protected]> Subject:
reduce then increase pipe sizes I am working on
an existing system where we have to tie in a
new 2-1/2" main into an existing 3". Since they
do not make a 3x2-1/2 mechanical tee, that
option is out. My proposal is to utilize an
existing plugged 2" outlet, install a 2 x 0-6
TxG nipple and then increase to 2-1/2". It
works hydraulically with 18+ psi left over
(reducing the 2-1/2" main not an option
hydraulically). I don't see anything in the
Code that states that it is not allowed.
However, the AHJ says it isn't. Before I argue
the point, am I missing something? Todd G.
Williams, PE Fire Protection Design/Consulting
Stonington, CT 860.535.2080 www.fpdc.com
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Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, CT
860.535.2080
www.fpdc.com
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