(1)
Except as permitted by Article 3.2.2.37., a building classified as Group B, Division 1 shall conform to Sentence (2).
(2)
Except as permitted by Article 3.2.2.16., the building referred to in Sentence (1) shall be of noncombustible construction, and
(a)
except as permitted by Sentences 3.2.2.7.(1) and 3.2.2.18.(2), the building shall be sprinklered throughout,
(b)
floor assemblies shall be fire separations with a fire-resistance rating not less than 2 h,
(c)
mezzanines shall have a fire-resistance rating not less 1 h, and
(d)
loadbearing walls, columns and arches shall have a fire-resistance rating not less than that required for the supported assembly.