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February 20, 2013 @ 12:00 pm - 1:30 pm
About the Presenters: Mark Bernhardt & Rob Bernhardt
Mark Bernhardt is the President of Bernhardt Contracting Ltd., the general contractor for the first home targeting the International Passive House standard on Vancouver Island. Bernhardt Contracting Ltd. is primarily involved in commercial general contracting, with an interest in high performance construction. This project was taken on to demonstrate the application of passive house design and construction principles in the local market. Mark has overseen the day-to-day construction of the project.
Rob Bernhardt is a project manager with Bernhardt Contracting and is trained in passive house design. He has been responsible for the energy modeling for the building, passive house design requirements, researching materials and components and some project management.
About the presentation:
The presentation will focus on building envelope issues and solutions in constructing a two family residence in Saanich targeting certification by the Passive House Institute. The project is currently under construction. The goal is to deliver a building that is more affordable than a similar building constructed to conventional standards by investing in design and the quality of the envelope. In doing so, the mechanical system is simplified, creating cost savings. The project also sought to utilize commonly used materials and assemblies. Despite constraints imposed by the site and zoning, it is on track to achieve those goals.
Rob & Mark will describe the assemblies used, including locally fabricated wall panels and locally manufactured windows, constructed and installed to minimize thermal bridging and maximize energy performance and durability. In addition, the speakers will highlight lessons learned on achieving the required 0.6 ACH@50Pa air tightness rating. Their initial blower door test results are 0.27 ACH (pressurization) and 0.35 ACH (depressurization). Finally, the speakers will describe the simplified mechanical system that was possible due to the high performance building enclosure.
More information on the project, including construction details, can be found at: bernhardtpassive.com
Seminar Presentation:
| PASSIVE HOUSE LESSONS LEARNED | Mark Bernhardt Bernhardt Contracting Ltd. Rob Bernhardt Bernhardt Contracting Ltd. |
Feb. 2013 |
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