CEA 4001 - Non-Woven Synthetic Fabric; Special Requirements for Protection of Storage Utilising Polypropylene (PP) and Polyethylene (PE) Storage Containers

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storage heights intermediate sprinklers shall be installed in accordance with Category III/IV
requirements. In both cases the ceiling sprinklers shall be installed with a density of 15 mm/min
over an area of operation o f 360m
2
.
NOTE: drainage or bounding should be provided to limit the spread of liquid spills.
NOTE: for the purposes of this standard, spirituous liquor is defined as that containing more than
20% alcohol.
K
K.6 Non-woven synthetic fabric
K.6.1 Free standing storage
Ceiling sprinklers shall be installed using the criteria shown in table K7.
NOTE: for storage heights above 4,1m consideration may be given to the use of special
technology sprinklers such as the so-called "large drop" or "ESFR" sprinklers.
Table 58: Non-woven synthetic fabric: design criteria with roof or ceiling protection only (K7)
Storage methods
Maximum storage height
(1)
Minimum design density
mm/min
Area of operation (wet
or pre-action system
(2)
m
2
ST1
Free standing or block
stacking
1,6
2,0
2,3
2,7
10,0
12,5
15,0
17,5
260
3,0
3,3
3,6
3,8
4,1
20,0
22,5
25,0
27,5
30,0
300
NOTE 1: the vertical distance from the floor to the sprinkler deflectors, minus 1 m, or the highest
value shown in the table, whichever is the lower.
NOTE 2: dry and alternate installations should be avoided.
K.6.2 Rack storage
In-rack sprinklers should be used in accordance with Category IV requirements. Ceiling sprinklers should
have
a minimum design density of 12,5 mm/min over 260m
2
.
K.7 Special requirements for protection of storage utilising Polypropylene (PP) and Polyethylene (PE)
storage containers
K.7.1 Storage methods ST4 – Palletised rack
Polypropylene and Polyethylene storage containers having a single wall, through which water can
permeate (1) shall be classified as high hazard category III (HHS3). “Sprinklers shall have the sensitivity
rating “Special” or “Quick” (see note 1 table 25)“.