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  • Wednesday, December 02, 2015 8:49 AM
    Message # 3670908

    When did this requirement disappear?  Did it move somewhere else, or is it still a requirement but just inherent?

  (1) All systems shall comply to Level 1 if any part of the systems are Level 1, except where both of the following apply:

    (a)        The system(s) is entirely separate from the Level 1 system(s) (i.e., is stand-alone) and is not connected to Level 1 sources or distribution pipelines.


  • Wednesday, December 02, 2015 8:51 AM
    Reply # 3670909 on 3670908

    By the way - that was a 2002 NFPA 99 reference.  I can't find anything similar in 2012 or 2015. 

  • Thursday, December 03, 2015 8:39 PM
    Reply # 3673615 on 3670908

    Hi Steve,

    I believe that disappeared when the occupancy chapters went away and Levels became Categories based on risks to patients and staff. There is no mention of ventilators requiring a level 1 system either.

  • Tuesday, December 08, 2015 8:28 AM
    Reply # 3687603 on 3670908

    Does that mean that the dental office can be tied into the hospital's oxygen system & that portion of the system just comply with category 3 codes?  I don't think so, but I don't know of a code to prevent that situation. 

  • Wednesday, December 09, 2015 7:19 AM
    Reply # 3689896 on 3670908

    This is one of the biggest problems with the 2012/2015 edition of the standard, but it has been coming on for a long time.  Remember that Category 3 derives from Level 3 which in turn derives from Type II - originally written for the "dentist practicing alone".  It's origin and it's current use are at odds, so the text is trapped.  It cannot change to fully reflect the new applications allowed for Category 3, and it remains a standard intended for a dentist's office.  The questions you raise are completely alien to the environment, and that is why we are never going to be able to use this Category as Chapter 4's category definitions conceive it. 

    The proposal for the 2018 is to pull dental out completely into it's own Chapter, which would allow the writing of a proper medically oriented Category 3.  We'll see what NFPA decides. 

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