The Ontario Building Code | Group F, Division 3, up to 6 Storeys

3.2.2.74. Group F, Division 3, up to 6 Storeys

(1) A building classified as Group F, Division 3 is permitted to conform to Sentence (2) provided,

(a) it is not more than 6 storeys in building height, and

(b) it has a building area not more than the value in Table 3.2.2.74.

Table 3.2.2.74.
Maximum Building Area, Group F, Division 3, up to 6 Storeys

Forming Part of Sentence 3.2.2.74.(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	not limited	not limited	not limited
2.	2	7 200	9 000	10 800
3.	3	4 800	6 000	7 200
4.	4	3 600	4 500	5 400
5.	5	2 880	3 600	4 320
6.	6	2 400	3 000	3 600

(2) The building referred to in Sentence (1) shall be of noncombustible construction, and,

(a) floor assemblies shall be fire separations with a fire-resistance rating not less than 1 h,

(b) mezzaninesshall have a fire-resistance rating not less than 1 h,

(c) roof assemblies shall have a fire-resistance rating not less than 1 h, and

(d) loadbearingwalls, columns and arches shall have a fire-resistance ratingnot less than that required for the supported assembly.