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American Fire Sprinkler Association [http://www.firesprinkler.org/] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ AFSA Technical Update ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ A newsletter dealing with codes and other technical issues August 3, 2012 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fuel-Fired Equipment in Exterior Balcony Closets "In a 13R system, is the requirement to provide a sprinkler over fuel-fired equipment applicable to exterior balcony closets? The closet is separated from the interior as required by the standard." We have reviewed NFPA 13R, 2010 edition that you indicated as the applicable standard. Our informal interpretation is the protection requirement does not applicable to such equipment for closets in this location. The requirement for providing a sprinkler over fuel-fired equipment is not a global requirement. Being located as section 6.6.6.1, it is applicable only to the concealed spaces identified in section 6.6.6. Unfortunately, when the use of exceptions was eliminated, such confusion has become more prevalent. It helps to sort out the intent by looking back at the development of this criterion. In the 2007 edition of NFPA 13R, this criterion was included with the locations as one section (6.9.6). The allowance on exterior balcony closets was a separate section (6.9.7). As further confirmation of intent, the ROP for the 2002 edition (when the fuel-fired equipment was added), proposal 13R-25 added the text to section 2-6 Exception 4: "concealed spaces dedicated exclusively to and containing only dwelling unit ventilation equipment" as not requiring protection. Note that the proposal section numbers reference the 1999 edition since that is the document being changed to create the 2002 edition. This was further clarified at the ROC in comment 13R-12 where it was identified that omission did not apply to fuel-fired equipment. In particular note that the committee statement says in concealed spaces which means as addressed by the section the criterion is located within. When this requirement was added in the 2002 edition, the allowance to omit sprinklers from exterior balcony closets already existed as section 2-6 Exception 5. If the fuel-fired equipment criterion were a global requirement it would not have been located in an individual section addressing specific locations. Additionally, as shown in the 2010 edition, section 6.6.4 is addressing closets and requires protection when equipment is present but explicitly excludes section 6.6.7 for exterior balcony closets. Although the potential for fire is the same for all fuel-fired equipment, the assigned risk is not the same for different locations and the standard explicitly does not require the protection to be provided in exterior balcony closets. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ firesprinkler.org [http://r20.rs6.net/tn.jsp?e=001H_jJrjPvwiLU63mM8Y5dZ-OAcHIC0wlMuQuBQqmazfP7FyWx2f3g_mNEoNVBgCtl2bHKI2XL4ilDDVuWEn3ZAiky3QS2C5O47fIXFVVHl652PR_8MRDDUQ==] Hosted by the American Fire Sprinkler Association ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Technical Update is prepared by the Technical Services Dept. of the AFSA: Vice President of Engineering and Technical Services Roland Huggins, a PE registered in fire protection engineering; Phill Brown, a NICET IV certified automatic sprinkler technician and NFPA Certified Fire Protection Specialist (CFPS) and Tom Wellen, a PE registered in fire protection engineering. This is provided with the understanding that the AFSA assumes no liability for this opinion or actions taken on it and they are not to be considered the official position of the NFPA or its technical committees. Copyright 2012, American Fire Sprinkler Association. All Rights Reserved ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Printable Copy PDF Version [http://r20.rs6.net/tn.jsp?e=001H_jJrjPvwiKTD_mSp04o-Bs8ccznQTKBZeHOzFh0JProR9UOtINKY-YIa3VC09iM2qEHhkRgwF3n8YKM0XplLoKQccuhpf_vTPNzc1IWRipEMi9IubdtfVENYbm6UJGbBWQuorENTPICUYrYakF5V3lf5NZhULng9X4DYqobIkkLtgoG4nQy3S8ee7oF1LkxIe7YdU0t-tg=] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Mark Your Calendar! 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