And a city with high rises usually, at least around here, will have a whole lot of amendments to IBC & NFPA. So look for those also.
On Tue, Aug 13, 2013 at 8:54 AM, Johnson, Duane (NIH/OD/ORS) [C] < [email protected]> wrote: > For those that don't have it. > > 3.3.3.1.1 Fire Department Connection for Automatic Standpipe Systems. A > connection through which the fire department can pump the secondary water > supply to an automatic standpipe system at the required system demand. > Supplemental water can also be provided into the sprinkler system or other > system furnishing water for fire extinguishment to supplement existing > water supplies. > > 7.7.2 Where an automatic or semiautomatic water supply is required for a > Class I, II, or III standpipe system by Section 5.4, the standpipe system > shall be designed so that the system demand can be independently supplied > by the attached water supply and each fire department connection provided > on the system. > > And to complete the loop: > 5.4.1.2 Class I standpipe systems in buildings classified as high-rise > buildings shall be automatic or semiautomatic. > > Duane Johnson, PE > Program Manager > Division of the Fire Marshal (Contractor) > Office of Research Services > National Institutes of Health > 301-496-0487 > > "Protecting Science - One Sprinkler at a Time" > > > -----Original Message----- > From: Johnson, Duane (NIH/OD/ORS) [C] > Sent: Tuesday, August 13, 2013 11:35 AM > To: '[email protected]' > Subject: RE: High rise- non seismic zone - 2 water supplies? > > Yes, but don't overlook NFPA 14...particularly 3.3.3.1.1 (13 ed) and 7.7.2. > > Duane Johnson, PE > Program Manager > Division of the Fire Marshal (Contractor) Office of Research Services > National Institutes of Health > 301-496-0487 > > "Protecting Science - One Sprinkler at a Time" > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > Sent: Tuesday, August 13, 2013 11:24 AM > To: [email protected] > Subject: RE: High rise- non seismic zone - 2 water supplies? > > An FDC "can pump supplemental water" 3.8.1.4 (2013). By definition a > supplement is added to something. Not a replacement or a second water > supply? > > Sorry I couldn't resist the opportunity to take a dig at the FDC > definition in 13. > > Ron F > > -----Original Message----- > From: [email protected] [mailto: > [email protected]] On Behalf Of Martinez, > Dewayne > Sent: Tuesday, August 13, 2013 8:10 AM > To: [email protected] > Subject: RE: High rise- non seismic zone - 2 water supplies? > > Thanks, I never know about section 104.10 > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > Johnson, Duane (NIH/OD/ORS) [C] > Sent: Tuesday, August 13, 2013 9:11 AM > To: [email protected] > Subject: RE: High rise- non seismic zone - 2 water supplies? > > Then the IBC requires a connection to two water mains or two connections > to one water main so that interruption to service can be isolated so that > the water supply will not be interrupted. > > Section 104.10 can be used by the owner. This gives the building official > a provision to grant a modification do due practical difficulties. By > lessening compliance with the section above, the modification will not > lessen fire protection or life safety, it only lessens reliability. After > all, there is an FDC... > > Duane Johnson, PE > Program Manager > Division of the Fire Marshal (Contractor) Office of Research Services > National Institutes of Health > 301-496-0487 > > "Protecting Science - One Sprinkler at a Time" > > > -----Original Message----- > From: Martinez, Dewayne [mailto:[email protected]] > Sent: Tuesday, August 13, 2013 10:02 AM > To: [email protected] > Subject: RE: High rise- non seismic zone - 2 water supplies? > > Complete remodel of the building forcing them to bring it up to current > code. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of > Johnson, Duane (NIH/OD/ORS) [C] > Sent: Tuesday, August 13, 2013 7:56 AM > To: [email protected] > Subject: RE: High rise- non seismic zone - 2 water supplies? > > What has caused the need to go back and sprinkler?? > > Duane Johnson, PE > Program Manager > Division of the Fire Marshal (Contractor) Office of Research Services > National Institutes of Health > 301-496-0487 > > "Protecting Science - One Sprinkler at a Time" > > > -----Original Message----- > From: Johnson, Duane (NIH/OD/ORS) [C] > Sent: Tuesday, August 13, 2013 8:55 AM > To: [email protected] > Subject: RE: High rise- non seismic zone - 2 water supplies? > > Section 403.3.2 requires a high rise with a fire pump to be connected to a > minimum of two water mains. There is a performance based exception however. > > Section 903.3.5.2 requires an additional "on-site" water supply for new > high rise buildings in seismic zones C, D, E or F. The "on-site" water > supply is different from the water supply that is brought "to the site" > (ie underground water main). There is an exception for existing buildings. > The requirement is to increase reliability in the event of a seismic > activity. > > Over to you Steve... > > > Duane Johnson, PE > Program Manager > Division of the Fire Marshal (Contractor) Office of Research Services > National Institutes of Health > 301-496-0487 > > "Protecting Science - One Sprinkler at a Time" > > > -----Original Message----- > From: Martinez, Dewayne [mailto:[email protected]] > Sent: Monday, August 12, 2013 5:57 PM > To: [email protected] > Subject: High rise- non seismic zone - 2 water supplies? > > IBC (09ed) sections 403 and 903 > > I have an existing un-sprinkled high rise building that now needs to be > fully sprinkled per NFPA 13 (07ed) and will require a fire pump. I think > it will require two sources of water supply but I just want to confirm. > > Section 403.3 requires a secondary water supply where required by > 903.3.5.2. > > 903.3.5.2 requires 2 sources if I am in a seismic zone, which I am not, > but 403.3.2 seems to trump this by requiring a second supply when a fire > pump is installed. Am I interpreting this correctly? > > Thanks, > > Dewayne > > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler > .org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler > .org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler > .org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler > .org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler > .org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > _______________________________________________ > Sprinklerforum mailing list > [email protected] > > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > -- Ron Greenman Instructor Fire Protection Engineering Technology Bates Technical College 1101 So. Yakima Ave. Tacoma, WA 98405 [email protected] http://www.bates.ctc.edu/fireprotection/ 253.680.7346 253.576.9700 (cell) Member: ASEE, SFPE, ASCET, NFPA, AFSA, NFSA, AFAA, NIBS, WSAFM, WFC, WFSC They are happy men whose natures sort with their vocations. -Francis Bacon, essayist, philosopher, and statesman (1561-1626) _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
