Mass timber guidelines for B.C. engineers, architects

Monday, April 5, 2021

Engineers and Geoscientists BC and the Architectural Institute of British Columbia (AIBC) have published new guidelines to clarify the expectations for professional practice for architects and engineers designing mass timber buildings up to 12 storeys.

In order to protect the public, the province’s engineering and architecture regulators regularly assess new and innovative practices and develop forward-thinking practice guidance that allows engineering professionals and architects to apply the latest technologies and pioneer new possibilities. This guideline follows recent legislative changes which allow construction of encapsulated mass timber buildings up to 12 storeys.

“B.C.’s engineers are leading the way in wood innovation, and these joint guidelines outline the necessary standards of professional practice to ensure that engineers working in mass-timber construction are doing so in a way that keeps the public safe, while also demonstrating the social, economic, and environmental benefits of wood infrastructure in creating a more resilient province for future generations,” said Ann English, CEO, Engineers and Geoscientists BC.

The new guidelines cover minimum qualifications, professional practice, roles and responsibilities, and quality assurance for encapsulated mass timber construction projects. They also identify issues to be taken into consideration, provide sources of information, and, in some instances, design options when providing architectural, building enclosure, fire protection, acoustical, structural, mechanical, and electrical design services.

“The public expects that architects remain current with contemporary technology, materials, methods, and business practices. The Joint Professional Practice Guidelines – Encapsulated Mass Timber Construction up to 12 Storeys will allow registered architects in British Columbia to apply new practices in a manner that is consistent with legislation and puts public-safety first,” said Mark Vernon, AIBC CEO.

The guidelines were developed in response to B.C. government changes to the BC Building and Fire Codes to allow construction of mass timber buildings up to 12 storeys based on the new classifications of building size and construction relative to occupancy: Article Group C, up to 12 storeys, Sprinklered, and Article Group D, up to 12 storeys, Sprinklered. The guidelines provide guidance on architectural and engineering considerations relating to these significant changes to the 2018 BC Building Code (BCBC), the 2019 Vancouver Building By-law (VBBL), and the 2018 BC Fire Code (BCFC).

Engineers and Geoscientists BC and the AIBC will be offering a continuing education webinar in the summer of 2021 to provide engineers and architects with an overview of the guidelines and information on how to meet their professional obligations.


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