Modular building means, but shall not be limited to, single and multifamily houses, apartment
mixed-use building means a building or structure containing a residential and non- residential use other than a home occupation;
apartment building means a residential use building, or the residential use portion of a mixed-use building, other than a townhouse or stacked townhouse containing four or more dwelling units each of which shall have access to above grade common halls, stairs, elevators, and yards;
Storage area means any location, facility, or vehicle which is used to store, to transport, or to secure a radiographic exposure device, a storage container, or a sealed source when it is not in use and which is locked or has a physical barrier to prevent accidental exposure, tampering with, or unauthorized removal of the device, container, or source.
heritage building means a Building designated under Part IV of the Ontario Heritage Act, R.S.O. 1990, c. O.18, or any successor legislation, or a Building designated under Part V of the Ontario Heritage Act,