NFPA 13 has a pipe schedule for above and below a ceiling (table 22.5.3.7 2007 edition). You mention concrete floors, just be sure there is no combustible form board that remains in place if you are proposing to eliminate the above sprinklers.
John Hoffman P.E. | Fire Protection Engineer | Facility Engineering Services, KCP, LLC - Burns & McDonnell Engineering | National Nuclear Security Administration's Kansas City Plant | Operated by Honeywell FM&T | 2000 E. 95th St | Kansas City, MO 64131 | ph 816-997-7213 | jhoff...@kcp.com sprinklerforum-boun...@firesprinkler.org wrote on 02/18/2010 10:37:28 AM: > [image removed] > > Under/Over Sprinkler > > James Zimmerman > > to: > > sprinklerforum > > 02/18/2010 10:38 AM > > Sent by: > > sprinklerforum-boun...@firesprinkler.org > > Please respond to sprinklerforum > > Has anyone seen/used the term under/over sprinkler on a set plans? Someone > in my office has a set of plans where the contractor called out the > sprinklers as under/over sprinklers. At first I thought maybe it was > describing pendant sprinklers below the ceiling and upright above, > protecting a combustible concealed space. However, the construction > noncombustible (concrete floors and gyp ceilings). > The only details on the plans are for a concealed sprinkler on a return bend > and a detail for an upright sprinkler. > I'm sure they will be contacting the contractor about the term but I was > just curious if anyone here had seen the term. > > Thanks, > > Jim > _______________________________________________ > Sprinklerforum mailing list > Sprinklerforum@firesprinkler.org > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: supp...@firesprinkler.org > > To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org > (Put the word unsubscribe in the subject field) _______________________________________________ Sprinklerforum mailing list Sprinklerforum@firesprinkler.org http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: supp...@firesprinkler.org To Unsubscribe, send an email to:sprinklerforum-requ...@firesprinkler.org (Put the word unsubscribe in the subject field)
