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Advice
Example of a mainly successful project: Brock Commons — involved a high degree of collaboration: Integrated Design Process — design offered 3-4 options for every connection, which every stakeholder vetted — invested in building a mock-up, where many problems were solved in advance of construction — the design worked with standard panel sizes
Advice
Mass timber construction is still in the experimental phase. Standardization will happen eventually.
Advice
Project teams should share BIM models as part of standard procedure, but be aware that BIM models can rarely be used for fabrication. The manufacturer still needs to produce their own models, often from scratch.
Advice
Engage mass timber supplier in DfMA system up front to ensure supplier milestones are met, and milestones and deliverables are agreed upon.
Image c/o: © 2020 Erika Brown Photography
Advice
Problems arise when project designs are not complete enough to schedule.
Advice
Key factors to manufacturing success: — project managed in depth with RFI control — mutually agreed to schedules — tracked submissions — dedicated resources to resolve issues
Advice
Fabrication design/detailing is usually a scheduling pinch-point.
Advice
Supplier partners can get off the ground running when BIM models are shared, if the engineers/architects sign off on geometry and provide the base model.
Advice
Fully implement BIM standards and sharing between consultant and supplier. Client otherwise pays double: consultants develop models independently, and suppliers interpret and develop the models they need on their own. This duplication of effort costs time and money.
Advice
Innovation is needed around pre-fabricated facades that are quick to erect and keep the mass timber structure dry.
Advice
Use hybrid structural systems (timber/steel/concrete) to optimize for the best properties of each.
Advice
Once there are more North American mass timber manufacturers, the mass timber in North America will become more cost competitive compared to the European supply.
Advice
Detailed fabrication input is limited by construction contract type (unless it is possible to engage a mass timber manufacturer during design).
Advice
Timely delivery of CLT from the manufacturer has been an issue, but this is improving. CLT does provide opportunities in BC for local manufacture.
