The first interpretation stated that attics cannot be considered concealed spaces and therefore always require sprinklers.
Fire sprinklers in attics.
Model v sd single directional specific application attic sprinkler.
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Consequently the required number of sprinklers to calculate and system demand is drastically reduced from that seen with standard protec tion.
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These sprinklers are specifically intended for use in combustible and non combustible sloped attic spaces and have been developed to produce unique water spray patterns to enhance sprinkler placement while improving fire control.
When compared to standard spray sprinklers which have restricted nfpa 13.
As shown in table 1 nfpa national fire protection association standards 13d and 13r both allow omission of sprinklers from attics not used or intended for living purposes or storage in the case of nfpa 13r and that do not contain fuel fired equipment.
The positioning and use of these sprinklers in conjunction with each other and their complimentary ef fects on fire control has been carefully considered for these specific attic structure hazards.
The subsequent staff interpretation attempts to clarify this issue much in the same way that this article is attempting to do stating that attics can be concealed spaces and therefore do not always require sprinkler.
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Sprinklers for protecting attics.
Viking fire sprinklers special sprinklers attic.