We do it on every project.

Steve Leyton
Protection Design & Consulting

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Charles
Thurston
Sent: Thursday, September 20, 2007 1:43 PM
To: sprinklerforum
Subject: NFPA 13 9.3.2.3

Hello sprinklerforum,

  Has anybody had an AHJ require a flexible coupling within 24" of the
  floor in a system? How flexible is that coupling going to be with a
  DCDA Backflow (vertical installation) and then the Alarm Valve
  sitting on it? I also have flexible couplings on both sides of the T
  on top of the 3 feet of pipe on top of the alarm valve that he does
  not consider to be the top of the "rise". Am I that far off base
  with this?

-- 
Best regards,
 Charles                          mailto:[EMAIL PROTECTED]
Coastal Fire Protection

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