The Ontario Building Code | Change in Major Occupancy

10.1.1.2. Change in Major Occupancy

(1) The following changes of use are also deemed to be a change in major occupancy for the purposes of this Part:

(a) a suite of a Group C major occupancyis converted into more than one suite of a Group C major occupancy,

(b) a suite or part of a suite of a Group A, Division 2 or Group A, Division 4 major occupancy is converted to a gaming premises,

(c) a farm building or part of a farm building is changed to a major occupancy,

(d) a buildingor part of a building is changed to a post-disaster building,

(e) a buildingor part of a building is changed to a retirement home regulated under the Retirement Homes Act, 2010, or

Note: On July 1, 2017, Clause 10.1.1.2.(1)(e) of Division B of the Regulation is amended by striking out "a retirement home regulated under the Retirement Homes Act, 2010" and substituting "a retirement home". (See: O. Reg. 139/17, s. 136)

(f) the use of a building or part of a buildingis changed and the previous major occupancy of the building or part of the buildingcannot be determined.

Section 10.2. Classification of Existing Buildings

10.2.1. Classification