We have gas fired mechanical equipment in the attic.
Nfpsa attics with fuel fired equipment.
My question is that the contractor is suggesting to ve the attic sprinkler by installing fire treated roof sheathing.
When fuel fired equipment is present sprinkler protection is required.
Such equipment could be located in attics closets interstitial spaces or concealed wall cavities.
We have a full sprinklered attic with a nitrogen generator.
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.
And portable liquid fuel burning equipment.
This standard shall apply to class a class b class c and class d ovens dryers and furnaces.
When the equipment is located within a concealed space or attic sprinkler protection is not required throughout the entire space.
A 1 1 explosions and fires in fuel fired and electric heat utilization equipment constitute a loss potential in life property and production.
And any other heated enclosure used for processing of materials and related equipment.
1 1 1 this standard shall apply to the installation of stationary liquid fuel burning appliances including but not limited to industrial commercial and residential type steam hot water or warm air heating appliances.
Attics penthouse equipment rooms elevator machine rooms concealed spaces containing only dwelling unit ventilation equipment crawl spaces floor ceiling spaces noncombustible elevator shafts and other concealed spaces that are not intended for living purposes or storage and do not contain fuel fired equipment.
1 1 2 this standard shall also apply to all accessories and control.