The Ontario Building Code | Spatial Separations
3.10.4.3. Spatial Separations
(1) Except as provided in Sentences (2) to (4), the requirements in Subsection 3.2.3. shall apply.
(2) Where the building area conforms to Clause 3.10.4.2.(1)(b), the limiting distancerequirements shall not apply between individual buildings.
(3) Where the building area conforms to Clause 3.10.4.2.(1)(c),
(a) the limiting distance requirements shall apply between each group of buildings, but not between individual buildings within a group, and
(b) the distance between each group ofbuildings shall be not less than 9 m.
(4) The distance between individual buildingswithin a group shall be not less than 6 m.
In Plain Language
Subsection 3.2.3's spatial separation requirements generally apply to single-storey self-storage buildings, though limiting distance requirements don't apply between buildings counted together as a group under certain area-calculation methods.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.