2.3.1.1. Design by Architect or Professional Engineer (1) Except as permitted in Sentences (2) and (3), the construction, including, for greater certainty, enlargement or alteration, of every building or part thereof described in Table 2.3.1.1. and this Article shall be designed and reviewed by an architect, professional engineer or both. (2) An architect may provide the services within the practice of professional engineering in any building described in Table 2.3.1.1., or a professional engineer may provide the services within the practice of architecture in any building described in Table 2.3.1.1. where to do so does not constitute a substantial part of the services provided by the other profession related to the construction of the building and is necessary (a) for the construction of the building and is incidental to the other services provided by the architect or professional engineer, or (b) for coordination purposes. Table 2.3.1.1.(4) Design and General Review Forming Part of Sentence 2.3.1.1.(1)  Building Classification by Major Occupancy 

Building Description

Design and General Review by:


Assembly occupancy only

Every building

Architect and professional engineer(1)


Assembly occupancy and any other major occupancy except industrial

Every building

Architect and professional engineer(1)


Care or detention occupancy only

Every building

Architect and professional engineer(1)


Care or detention occupancy and any other major occupancy except industrial

Every building

Architect and professional engineer(1)


Residential occupancy only

Every building that exceeds 3 storeys in building height

Architect and professional engineer(1)


Every building that exceeds 600 m2 in gross area and that contains a residential occupancy other than a dwelling unit or dwelling units

Architect(2)


Residential occupancy only

Every building that exceeds 600 m2 in gross area and contains a dwelling unit above another dwelling unit

Architect(2)


Every building that exceeds 600 m2 in building area contains 3 or more dwelling units and has no dwelling unit above another dwelling unit

Architect(2)


Residential occupancy and any other major occupancy except industrial, assembly or care or detention occupancy

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect and professional engineer(1)


Business and personal services occupancy only

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect and professional engineer(1)


Business and personal services occupancy and any other major occupancy except industrial, assembly or care or detention occupancy

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect and professional engineer(1)


Mercantile occupancy only

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect and professional engineer(1)


Mercantile occupancy and any other major occupancy except industrial, assembly or care or detention occupancy

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect and professional engineer(1)


Industrial occupancy only and where there are no subsidiary occupancies

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect or professional engineer(3)


Industrial occupancy and one or more other major occupancies where the portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m2

The non-industrial portion of every building

Architect and professional engineer(1)


The industrial portion of every building

Architect or professional engineer(3)


Industrial occupancy and one or more other major occupancies where no portion of the area occupied by one of the other major or subsidiary occupancies exceeds 600 m2

Every building that exceeds 600 m2 in gross area or 3 storeys in building height

Architect or professional engineer(3)


Column 1

2

3 Notes To Table 2.3.1.1. (1)An architect shall provide services within the practice of architecture and a professional engineer shall provide the services within the practice of professional engineering. (2)An architect may engage a professional engineer to provide services within the practices of professional engineering. (3)Only a professional engineer may provide services within the practice of professional engineering. (4)Requirements for design and general review by an architect or professional engineer or a combination of both for the construction, enlargement or alteration of a building are set out in the Architects Act and the Professional Engineers Act. (3) The requirement for an architect does not apply to the preparation or provision of a design for interior space for a building, including finishes, fixed or loose furnishings, equipment, fixtures and partitioning of space, and related exterior elements such as signs, finishes and glazed openings used for display purposes, that does not affect or is not likely to affect (a) the structural integrity, (b) a fire safety system or fire separation, (c) a main entrance or public corridor on a floor, (d) an exit to a public thoroughfare or to the exterior, (e) the construction or location of an exterior wall, or (f) the usable floor space through the addition of a mezzanine, infill or other similar element, of the building. (4) Where a building or part of it described in Table 2.3.1.1. is designed by an architect or a professional engineer or a combination of both as required by this Article, all plans, sketches, drawings, graphic representations, specifications and other documents that are prepared by an architect, professional engineer or both and that form the basis for the issuance of a permit under Section 8 of the Act or any changes to it authorized by the chief building official shall bear the signature and seal of the architect, professional engineer or both, as applicable. (5) Where the foundations of a building are to be constructed below the level of the footings of an adjacent building and within the angle of repose of the soil, as drawn from the bottom of the footings, the foundations shall be designed by a professional engineer. (6) The thermal design of a building in accordance with Section 9.38. shall be prepared and provided by an architect or professional engineer or a combination of both. 2.3.2.General Review