I don't think NFPA 13 really addresses expansion joints.  Normal systems don't 
generally need to account for movement through other than the built-in 
flexibility of the piping system.

Now, if you are talking not normal, I was involved in a facility that had a 
2000-foot long fire main in the basement, 10-inch diameter, that had three 
expansion joints along its length.  I think they were Dressers, but don't 
recall for sure.  They were the telescoping style to accommodate linear 
movement.  They were not listed for fire main application.  You do what is 
necessary in situations like that.   I doubt there is a UL or FM expansion 
joint, other than for seismic applications.

John Hoffman
Burns & McDonnell

From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On 
Behalf Of Brian Harris
Sent: Wednesday, April 11, 2018 3:47 PM
To: sprinklerforum@lists.firesprinkler.org
Subject: Expansion Joint

Trying to find something in NFPA-13 that addresses expansion joints, not a 
seismic separation, but come up empty. Any help?

Brian Harris, CET
BVS Systems Inc.
Design Manager
Phone: 704.896.9989
Fax: 704.896.1935

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