CEA 4001 - Page 83

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Figure 8- Location of rack intermediate level sprinklers Category I or II goods
Figure 9- Location of rack intermediate level sprinklers Category III or IV goods
11.5.2 Maximum vertical distance between sprinklers at intermediate levels
The vertical distance from the floor to the lowest intermediate level and between levels shall not
exceed 3,50m or two tiers, whichever is the lesser, as shown in Figures 9 and 10. An intermediate
level shall be installed above the top level of storage except where all the roof or ceiling sprinklers are
situated at less than 4m above the top of the storage.
In no case shall the highest level of intermediate sprinklers be installed lower than one tier level below
the top of the storage.
11.5.3 Horizontal position of sprinklers at intermediate levels
In the case of Category I or II goods, sprinklers shall where possible be installed in the longitudinal flue
at
the intersection with every second transverse flue, with the sprinklers staggered with respect to