Wood Design Manual 2020

The Wood Design Manual is the Canadian reference on the design of timber structures, under gravity and lateral loadings, according to Part 4 of the National Building Code of Canada (NBC) and the “Engineering design in wood” standard (CSA O86). It provides guidance and design examples on sawn and engineered wood members, their connections and fire design. The most common design situations encountered by practicing engineers are covered through intuitive Selection Tables. In addition, the Wood Design Manual contains the latest CSA O86 Standard, as well as a technical commentary written by timber design experts including members of the Standard’s technical committee. The 2020 Wood Design Manual includes a copy of the CSA O86:19 Standard, incorporating Update No.3 – July 2021. The main changes in this edition are:
Canadian Span Book 2020

Design Options for Three- and Four Storey Wood School Buildings in British Columbia

As land values continue to rise, particularly in higher-density urban environments, schools with smaller footprints will become increasingly more necessary to satisfy enrollment demands. There are currently a number of planned new school projects throughout British Columbia that anticipate requiring either three-or four-storey buildings, and it is forecasted that the demand for school buildings of this size will continue to rise. Though timber construction would offer a viable structural material option for these buildings, the British Columbia Building Code (BCBC 2018) currently limits schools comprised of timber construction to a maximum of two storeys, while also imposing limits on the overall floor area. Given these constraints, to date there has not been much effort put into the development of viable structural options that would accommodate larger and taller schools constructed primarily with timber materials. With the above factors in mind, the purpose of this study is to illustrate the range of possible timber construction approaches for school buildings that are up to four storeys in height. Given this emphasis on four-storey construction, this study focuses on the main classroom blocks within a school building, as these portions of the building are the ones that are the most likely to take advantage of an increased number of storeys. While other portions of school buildings, such as gymnasiums, shops, and multi-purpose areas are also strong candidates for wood construction systems, since there are already numerous examples of this type of construction these areas are not emphasized in this report.
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McEwen School of Architecture Case Study
The Span Book 2009
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Mid-Rise Best Practice Guide Proven Construction Techniques for Five-and Six-Storey Wood-Frame Buildings
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Introduction to Wood Design 2018

