Ref: NFPA 2013 6.4.7 Use of residential sprinklers are permitted in corridors, foyers, hall etc. under 6.4.7. However, lobbies in hotels and motels are expressly forbidden to have residential sprinklers in this section which leads me to a couple of questions:
What about the corridors connecting to the lobby? Picture a layout like the letter T and the lobby is in the stem of the T with two corridors on either side. If you could use residential sprinklers in these corridors where would the cutoff point be between using quick response in the lobby and the residential sprinklers in the corridors when there is no separation between them? Would NFPA 13's requirement for quick response to be used throughout light hazard occupancies apply requiring quick response sprinklers throughout? If it does then it seems that all the corridors of the 1st floor of this project would require quick response sprinklers. In my opinion it would require quick response throughout on the first floor but I want to bounce this off the forum since my mind is in a fog today. Thanks, JH
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