2.2.1.9.Additional Fire Separations

(1) Except as permitted by Sentence (2) and required by Sentence (3), fuel-fired appliances shall be installed in service rooms separated from the remainder of the farm building by (a) a fire separation having a fire-resistance rating not less than 45 min in a floor area that is not sprinklered throughout, or (b) a fire separation not required to have a fire-resistance rating in a floor area that is sprinklered throughout. (2) A fuel-fired appliance that serves only one room is not required to be installed in a service room separated from the remainder of the farm building. (3) Incinerators shall be installed in service rooms that (a) do not contain other fuel-fired appliances, and (b) are separated from the remainder of the farm building by a fire separation having a fire-resistance rating not less than (i) 2 h, where the service room is adjacent to a Group G, Division 1 major occupancy in a floor area that is not sprinklered throughout, (ii) 1 h, where the service room is adjacent to a Group G, Division 1 major occupancy in a floor area that is sprinklered throughout, (iii) 1 h, where the service room is adjacent to a Group G, Division 2 or 3 major occupancy in a floor area that is not sprinklered throughout, or (iv) 30 min, where the service room is adjacent to a Group G, Division 2 or 3 major occupancy in a floor area that is sprinklered throughout. (4) A room containing a device that produces open flames, heat or sparks and used for crop drying shall be separated from the remainder of the farm building by (a) a fire separation having a fire-resistance rating not less than 45 min in a floor area that is not sprinklered throughout, or (b) a fire separation not required to have a fire-resistance rating in a floor area that is sprinklered throughout. (5) A room intended to be used for repairing farm machinery shall be separated from the remainder of the farm building by a fire separation having a fire-resistance rating not less than (a) 1 h, in a floor area that is not sprinklered throughout, or (b) 30 min, in a floor area that is sprinklered throughout. (6) Storage areas for dangerous goods shall be separated from the remainder of the farm building in accordance with Sentences 3.3.6.2.(1) and (2).