CEA 4001 - Annex K Protection of Special Hazards

157
Annex K
Protection of Special Hazards
National requirements shall be taken into consideration. The following product examples need special
consideration.
K.1 Aerosols
Protection for aerosol storages shall be in accordance with table K 1.
Precautions
shall be taken to avoid projection of aerosol containers.
The maximum area of aerosol storage and any containment shall be considered and the authorities shall
be consulted.
Table 52: Protection criteria for aerosol storage (K1)
Maximum storage height
m
Sprinkler K
factor
Minimum
density
mm/min
Area of
operation
m²
Aerosol contents
alcohol based
hydrocarbon
based
STI - Free standing
storage
1,5
-
115
160
12,5
260
-
1,5
115
160
25,0
300
ST4 Palletized rack
storage
Maximum vertical height
between sprinkler rows
m
12,5 plus in-
rack
sprinklers
260
1,8
-
115/160 (1)
80/115 (2)
12,5 (3)
260
-
1,8
115/160(1)
80/115(2)
25,0 (3)
300
NOTE: 1 ceiling sprinkler protection.
NOTE:
2 intermediate level sprinkler protection.
NOTE:
3 intermediate level sprinkler protection shall be installed in accordance with Category III
or
IV layout but at the maximum vertical height separations between sprinkler rows given
in columns 2 and 3.