5.3 Nozzle positioning
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Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.800(19) – Revised Guidelines for Approval of Sprinkler Systems Equivalent to that Referred to in SOLAS Regulation II-2/12 – (Adopted on 23 November 1995) - Appendix 2 - Fire Test Procedures for Water Mist Systems in Accommodation, Public Spaces and Service Areas on Passenger Ships - 5 Cabin and Corridor Tests - 5.3 Nozzle positioning

5.3 Nozzle positioning

 The nozzles should be installed to protect the cabin and corridor in accordance with the manufacturer’s design and installation instructions subject to the following:

  • .1 if only one ceiling nozzle is installed in the cabin, it may not be placed in the shaded area in figure 2;

  • .2 if two or more ceiling nozzles are installed in the cabin the nominal water flux density should be homogeneously distributed throughout the cabin;

  • .3 corridor nozzles should not be placed closer to the centreline of the cabin doorway than one half the maximum spacing recommended by the manufacturer. An exception is systems where nozzles are required to be placed outside each doorway; and

  • .4 cabin mounted sidewall nozzles should be installed on the centreline of the front wall of the cabin adjacent to the doorway, aimed towards the rear of the cabin.

Figure 2


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