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RE: Fire Sprinkler Support

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Thanks, Roger.

BTW, San Juan Capistrano is a small town of about 32k.

:o)

Regards,

T. William (Bill) Allen, S.E. (CA #2607)
San Juan Capistrano, CA


:-----Original Message-----
:From: Roger Turk [mailto:73527.1356(--nospam--at)compuserve.com] 
:Sent: Wednesday, March 12, 2003 8:50 AM
:To: SEAOC Listservice
:Subject: Re: Fire Sprinkler Support
:
:
:Bill,
:
:Because I could not get what I considered straight answers 
:from certain 
:people who should "know", I recently bought "Automatic 
:Sprinkler Systems 
:Handbook," 8th Edition, 1999 (Green Cover) from NFPA.  There 
:is considerable 
:disparity between hanger requirements in this book and the 
:UBC/IBC, viz.:
:
:"Hangers shall be designed to support five times the weight of 
:water-filled 
:pipe plus 250 lb (114 kg) at each point of piping support."
:
:"The spacing between hangers shall not exceed the value given 
:for the type of 
:pipe as indicated in Table 6-2.2."
:
:Chapter 6 of the Handbook covers, "Hanging, Bracing, and 
:Restraint of System 
:Piping," including seismic restraint.
:
:The Handbook is keyed to NFPA 13.
:
:Since you are in a large metropolitan area, you should be able 
:to find a copy 
:of the handbook in either a public or university library.
:
:HTH
:
:A. Roger Turk, P.E.(Structural)
:Tucson, Arizona
:
:Bill Allen wrote:
:
:. > I would appreciate confirmation/clarification with regards 
:to sprinkler . > support loads. UBC Table 16-B, Item 13 
:specifies the gravity loads . > (weight of pipe filled with 
:water plus 250 lbs) but refers to Table 16-O . > for lateral 
:loads. There is nothing specific (unless my eyes are failing . 
:> me worse than I thought) with regards to sprinkler systems, 
:although . > several items could be interpreted as appropriate 
:for this application.
:
:. > What is standard practice?
:
:. > TIA,
:
:. > T. William (Bill) Allen, S.E. (CA #2607)
:. > San Juan Capistrano, CA
:
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