Keep in mind, “meets UL XXX” does not necessarily it is Listed to that standard. Allows verify listings with the listing agency and the manufacturer. 

Thanks,

John


John August Denhardt, P.E

Vice President Engineering and Technical Services
American Fire Sprinkler Association
301-343-1457

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On Oct 23, 2024, at 10:46, [email protected] wrote:


It's in the Fire Sprinkler Catalogue..

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Matthew J. Willis, CWBSP, C.E.T.

Ferguson Fire Design, LLC

D: (602) 337-0721 C: (307) 236-8249

[email protected]

 


From: Craig Hanson <[email protected]>
Sent: Wednesday, October 23, 2024 7:38 AM
To: Discussion list on issues relating to automatic fire sprinklers <[email protected]>
Subject: [Sprinklerforum] Re: Nut & Bolt / Bottom Joist
 
Caution:  This email originated from outside of the organization.  DO NOT click links or open attachments unless you recognize and trust the sender.

Eric,

the hangers you are showing are not UL listed for fire sprinkler piping. 



Craig D. Hanson, CFPS
Fire Division Manager
West Coast Code Consultants, Inc. (WC³)
Meridian Satellite Office
C: 253.225.9977 | E: [email protected]www.WC-3.com
Teaming With Your Community to Make a Difference


On Wed, Oct 23, 2024 at 7:23 AM Eric Rieve <[email protected]> wrote:

Brian

 

nVent Caddy also makes a listed hanger for this situation if you are concerned about using common components.

 

https://www.nvent.com/en-us/caddy/products/nvent-caddy-truss-t-bar-joist-hanger-bottom-chord-0#catalog-applications

 

Just make sure the structural engineer is ok with the potential loads.

 

<image001.png>

 

Hope this helps!

 

Thanks,

Eric Rieve, SET
Rieve Fire Protection


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