The Ontario Building Code | Group F, Division 3, Storage Garages up to 22 m High Group F, Division 3, Storage garages up to 22 m High

(1) A building used as a storage garage with all storeysconstructed as open-air storeys and having no otheroccupancy above it is permitted to have its floor, wall, ceiling and roof assemblies constructed without a fire-resistance rating provided it is,

(a) of noncombustible construction,

(b) not more than 22 m high, measured between grade and the ceiling level of the top storey,

(c) not more than 10 000 m2in building area, and

(d) designed so that every portion of each floor area is within 60 m of an exterior wall opening.

3.2.3. Spatial Separation and Exposure Protection