1. Tallwood House KEY CONCEPT Tallwood House Architects: Acton Ostry Architects Location: Vancouver, Canada Build in: 2015-2017 Height: 53meters Stories: 18 Site area: 2,315 m² Gross area: 15,120 m² FSR: 6.53 Bldg footprint: 840 m² 404 student beds 2,233 m³ of timber used Brock Commons is comprised of 17 stories of five-ply cross-laminated timber (CLT) floor panels and glue-laminated columns, a concrete transfer slab at level two and a steel framed roof. The CLT panels are point supported on glulam columns at a 2.85m X 4.0m grid. Beams were eliminated from the design by utilizing CLT’s two-way spanning capabilities and two full-height concrete cores provide lateral stability. Selected Design Element This building is the highest timber building at the moment, and the usage is student accommodation. The most interesting point of this building is how can it be stable within an 18 stories height, and due to the usage, the scale of the columns cannot be very