Nfpsa Attics With Fuel Fired Equipment

Nfpa 85 boiler and combustion systems hazards code applies to single burner boilers multiple burner boilers stokers and atmospheric fluidized bed boilers with a fuel input rating of 12 5 million btu hr or greater and to fired or unfired steam generators used to recover heat from combustion turbines.

Nfpsa attics with fuel fired equipment.

And any other heated enclosure used for processing of materials and related equipment. My question is that the contractor is suggesting to ve the attic sprinkler by installing fire treated roof sheathing. And portable liquid fuel burning equipment. Used for living purposes storage or fuel fired equipment attic fire protection can be achieved by protecting the attic with automatic sprinklers that are part of the lsc required automatic sprinkler system as would be required if the space were used for living purposes storage or fuel fired equipment.

We have gas fired mechanical equipment in the attic. We have a full sprinklered attic with a nitrogen generator. Ibc 903 2 8 3 2 attics not used for living purposes storage or fuel fired equipment. 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.

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. When the equipment is located within a concealed space or attic sprinkler protection is not required throughout the entire space. Such equipment could be located in attics closets interstitial spaces or concealed wall cavities. This standard shall apply to class a class b class c and class d ovens dryers and furnaces.

When fuel fired equipment is present sprinkler protection is required.