(1)
A building that is classified as Group A, Division 2, Group B, Division 3, Group C other than a retirement home, Group D, Group E, or Group F, Division 2 or 3, is permitted to conform to Sentence (2) provided
(a)
except as permitted by Sentences 3.2.2.7.(1) and 3.2.2.18.(2), the building is sprinklered throughout,
(b)
the building has a building height not exceeding the number of storeys shown in Table 3.2.2.93. for the applicable major occupancy and minimum encapsulation rating,
(c)
the building has a maximum height that conforms to the value shown in Table 3.2.2.93. for the applicable major occupancy and minimum encapsulation rating that is measured between the floor of the first storey and the uppermost floor level that does not serve a rooftop enclosure for elevator machinery, a stairway or a service room used only for service to the building,
(d)
the building has a maximum building area that conforms to the value shown in Table 3.2.2.93. for the applicable major occupancy, and
(e)
except as provided in Sentences 3.1.6.3.(4) and 3.1.6.7.(1) and Article 3.1.6.4., the encapsulation rating conforms to the value shown in Table 3.2.2.93. for the applicable major occupancy and maximum building height. (See Note A-3.2.2.93.(1) and Table 3.2.2.93. See also Articles 3.2.2.48. and 3.2.2.57.)
(2)
Except as provided in Article 3.2.2.16., the building referred to in Sentence (1) is permitted to be of encapsulated mass timber construction or noncombustible construction used singly or in combination, and,
(a)
except as provided in Sentence (3), floor assemblies shall be fire separations with a fire-resistance rating not less than 2 h,
(b)
mezzanines shall have a fire-resistance rating not less than 1 h, and
(c)
loadbearing walls, columns and arches shall have a fire-resistance rating not less than that required for the supported assembly.
(3)
In a building classified as a Group C major occupancy that contains dwelling units that have more than one storey, subject to the requirements of Sentence 3.3.4.2.(3), the floor assemblies, including floors over basements, that are entirely contained within these dwelling units shall have a fire-resistance rating not less than 1 h but need not be constructed as fire separations.
(4)
In buildings referred to in Sentence (1) where the roof assembly of an exit stairway or vertical service space used as an elevator hoistway has a height greater than 55 m measured from grade to the highest point of the roof assembly, the enclosure for the stairway or hoistway shall be of encapsulated mass timber construction or constructed of concrete.
(5)
Group E major occupancies and storage garages located in a building or part thereof within the scope of this Article are permitted to be constructed in accordance with this Article and the corresponding Group A, Division 2, Group C, or Group D major occupancy requirements contained in Table 3.2.2.93., provided
(a)
the Group E major occupancy is located below the third storey, and
(b)
the storage garage is located below the fifth storey. (See also Article 4.4.2.1.) (See Note A-3.2.2.48.(4), 3.2.2.57.(3) and 3.2.2.93.(5) to (7))
(6)
Group A, Division 2 major occupancies located in a building or part of a building within the scope of this Article are permitted to be constructed in accordance with this Article and the corresponding Group C, or Group D major occupancy requirements contained in Table 3.2.2.93., provided they are located below the fourth storey. (See Note A-3.2.2.48.(4), 3.2.2.57.(3) and 3.2.2.93.(5) to (7))
(7)
Group F, Division 2 and 3 major occupancies located in a building or part thereof within the scope of this Article are permitted to be constructed in accordance with this Article and the corresponding Group D major occupancy requirements contained in Table 3.2.2.93., provided they are located below the third storey. (See Note A-3.2.2.48.(4), 3.2.2.57.(3) and 3.2.2.93.(5) to (7))
Table 3.2.2.93. Encapsulated Mass Timber Construction, Various Occupancies, Heights and Areas, Sprinklered(1)(2)
Forming Part of Sentences 3.2.2.93.(1), (5), (6) and (7)
Notes to Table 3.2.2.93.:
(1) See Sentences (5) to (7) and Articles 3.2.2.4. to 3.2.2.8. for information pertaining to multiple major occupancies.
(2) Linear interpolation is not permitted in using Table 3.2.2.93.