The Ontario Building Code | Group E, up to 2 Storeys

3.2.2.61. Group E, up to 2 Storeys

(1) A building classified as Group E is permitted to conform to Sentence (2) provided,

(a) it is not more than 2 storeys in building height, and

(b) it has a building area not more than the value in Table 3.2.2.61.

Table 3.2.2.61.
Maximum Building Area, Group E, up to 2 Storeys

Forming Part of Sentence 3.2.2.61.(1)

Item

Column 1

Column 2

Column 3

Column 4

No. of Storeys

Maximum Area, m2

Facing 1 Street

Facing 2 Streets

Facing 3 Streets

1.

1

1 000

1 250

1 500

2.

2

600

750

900

(2) The building referred to in Sentence (1) is permitted to be of combustible construction or noncombustible construction used singly or in combination, and,

(a) floor assemblies shall be fire separations with a fire-resistance rating not less than 45 min, and

(b) loadbearingwalls, columns and arches shall have a fire-resistance rating not less than that required for the supported assembly.