B-1.1, r. 2 - Construction Code

Full text
1.1.3. Subject to section 1.1.4, this Chapter applies to the addition work of existing buildings where, after that work, the building including its addition
(1)  has a building area of more than 600 m2 within the meaning of the National Building Code as adopted by Chapter I of the Construction Code;
(2)  has a building height of more than 3 storeys within the meaning of the National Building Code as adopted by Chapter I of the Construction Code; or
(3)  does not house only dwelling units.
O.C. 486-2020, s. 1.