Are you sure AFCON didn't tell you that so they could sell you more
stuff? It would seem that anyone building a strap hanger and being
aware of this problem would have a hanger to meet this standard.
At 02:20 PM 12/24/2008, you wrote:
We used cpvc strap hangers, no rod was used. We spoke to AFCON (hanger
manufacturer) their engineer say's strap hangers don't provide the exemption
- my guess would be the #18 screws are the primary problem, the punched
holes will not allow any attachment larger than 1/4".
Jim Johnston, P.E.
Fire Protection Engineer
Inland Fire Protection, Inc
1100 Ahtanum Road
Yakima, WA 98903
Phone 509-248-4471
Fax 509-248-1180
[email protected]
-----Original Message-----
From: Todd Williams [mailto:[email protected]]
Sent: Wednesday, December 24, 2008 11:06 AM
To: [email protected]
Subject: Re: Seismic Bracing CPVC in 13R Applications
Were the rods less than 6"?
At 01:54 PM 12/24/2008, you wrote:
>Has anybody had the opportunity to seismic brace a 13R cpvc system in
>platform style construction? Recently a designer in my company submitted
>plans for a NFPA 13R system built of platform style construction: TJI's for
>the ceiling / floor assemblies and gang-nailed truss for the roof
component,
>the AHJ asked where the seismic braces were? The system was supported with
>"offset" style hangers in the floor joist cavity and 2-hole strap hangers
on
>top of the bottom chord of the roof trusses in the attic portion.
>Ultimately we braced this system utilizing a brace manufactured by AFCON -
>expensive and labor intensive. I can't find any exemptions in the codes
>(IBC, IFC, etc) for deleting the seismic bracing for this application, 13R
>say's Hanging and Bracing is to be in compliance with NFPA 13, common sense
>say's this piping and hanging scenario is sufficient provided the pipe is
>supported per its listing. Does anybody have any ideas?
>
>
>
>
>
>Jim Johnston, P.E.
>
>Fire Protection Engineer
>
>Inland Fire Protection, Inc
>
>1100 Ahtanum Road
>
>Yakima, WA 98903
>
>Phone 509-248-4471
>
>Fax 509-248-1180
>
>[email protected]
>
>
>
>_______________________________________________
>Sprinklerforum mailing list
>http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
>For Technical Assistance, send an email to: [email protected]
>
>To Unsubscribe, send an email to:[email protected]
>(Put the word unsubscribe in the subject field)
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
_______________________________________________
Sprinklerforum mailing list
http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
For Technical Assistance, send an email to: [email protected]
To Unsubscribe, send an email to:[email protected]
(Put the word unsubscribe in the subject field)
_______________________________________________
Sprinklerforum mailing list
http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
For Technical Assistance, send an email to: [email protected]
To Unsubscribe, send an email to:[email protected]
(Put the word unsubscribe in the subject field)
Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, Connecticut
www.fpdc.com
860.535.2080
_______________________________________________
Sprinklerforum mailing list
http://lists.firesprinkler.org/mailman/listinfo/sprinklerforum
For Technical Assistance, send an email to: [email protected]
To Unsubscribe, send an email to:[email protected]
(Put the word unsubscribe in the subject field)
