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Net Positive Symposium (Oct 30, 2017)
Jointly presented by the International Living Future Institute (ILFI) and Passive House Canada (PHC)
This Symposium focuses on the connection between net zero energy and passive house ideas, techniques, and technologies, with a specific focus on the how to, with examples and implementation.

Passive House Deep Dive (Oct 31, 2017)
Presented by the Passive House Canada (PHC)
Dive in to current design and construction challenges, emerging solutions and best practices. This deep-dive is aimed at those familiar with Passive House design wanting an in-depth exploration of solutions to the challenges being encountered by today’s project teams.
PH Deep Dive: Session [clear filter]
Tuesday, October 31
 

09:00

[Deep Dive 1] Passive House Goes to Work: Western Canada’s First Office Building to Seek Certification
The Passive House standard is quickly gaining traction in residential buildings, but in North America, so far, the standard has been applied to very few places of work. Charter Telecom, a technology company which operates nation wide, values innovation and employee wellbeing. They are demonstrating these values in their new headquarters in Greater Victoria with a unique and cutting edge building. The exceptional thermal comfort and air quality in a Passive House building is expected to increase staff wellbeing and productivity, and the technical achievements of the building will act as a showcase for innovation that Charter can be proud of when presenting themselves to their customers and the world. This presentation will discuss some of the key considerations for office buildings, as well as talk about the unique challenges and opportunities specific to this building. 

Speakers
avatar for Mark Bernhardt

Mark Bernhardt

President, Bernhardt Contracting Ltd.
Mark has been in the construction business since 2007, significantly expanding the business each year since inception. Prior to founding Bernhardt Contracting, Mark was a project manager with environmental consulting firms. He has taken that science background and applied it to building... Read More →
avatar for Graeme Verhulst

Graeme Verhulst

Architect, Waymark Architecture
With the realization that to make change we have to build differently, Graeme decided to pursue a career in architecture with the goal of improving people's relationships with our fellow humans and the environment through better buildings. In addition to the practice of architecture... Read More →


Tuesday October 31, 2017 09:00 - 10:15
UBC Robson Square 800 Robson Street Vancouver, BC V6Z 3B7 Canada

10:30

[Deep Dive 2] Natural ventilation for passive cooling – comfort today and in the future.

Throughout Canada many buildings are built in locations where the climate allows for using outside air for cooling at least some of the time. Passive cooling can be used to achieve comfort conditions for a significant number of buildings. If successfully implemented, there are multiple benefits to this strategy. The obvious benefit stems from the energy savings resulting from elimination of cooling air and mechanically moving it through the building with fans. Beyond this there is also the potential for improved comfort and the multitude of wellness and health benefits from a connection to the outdoors. In a work environment this might even lead to improved productivity.
However, there is ample anecdotal evidence on the fact that even in the most suitable environments, passively cooled buildings have failed. For success, buildings need to be designed to be suitable to be operated without mechanical cooling, and when appropriate, measures need to be taken to assure comfort. We will discuss the role of solar radiation, shading, occupant numbers, internal loads, thermal mass, stack effect, wind, solar chimneys and more, as well as when it might be advisable to provide some mechanical systems.

 In this session we will discuss how to design for comfort using natural ventilation for cooling, and where the limitations are. We will discuss this in both the conventional context of historic weather data and typical construction, as well as the context of 1) highly insulated, airtight buildings and 2) a changing climate, and both combined. This session will go into some technical detail on design process, design tools, climate analysis, airflow and thermal comfort analysis.


Speakers
avatar for Andrea Frisque

Andrea Frisque

Senior Building Performance Engineer, Stantec
Dr. Frisque provides technical direction and leadership in low-energy design for buildings and communities. She publishes technical papers in international journals, presents at national and international conferences, and has been invited for talks and lectures. Dr. Frisque has over... Read More →


Tuesday October 31, 2017 10:30 - 11:30
UBC Robson Square 800 Robson Street Vancouver, BC V6Z 3B7 Canada

13:00

[Deep Dive 3] Thermal Bridges in PH Design

As Passive House becomes increasingly popular in commercial, institutional, and high rise multi-unit residential construction, our understanding of thermal bridging needs to consider an expanding range of materials, assemblies and construction methods.  Luckily, quantifying the impact of and mitigating thermal bridges has been the subject of research for the last several years, yielding a large amount of data that industry can benefit from.  This presentation will introduce participants to an exciting project that is currently in development – an online Thermal Bridging Performance Database.  Participants will get a sneak peek into the resource, including how the data can be leveraged to make better decisions on projects and ultimately reduce energy use on buildings.


Speakers
avatar for Christian Cianfrone

Christian Cianfrone

Principal, Building Energy Practice Lead, Morrison Hershfield
Christian Cianfrone is with Morrison Hershfield’s Building Performance Analysis group, a dedicated team using information driven design to solve building science problems ranging from materials to assemblies to whole building energy performance.  Christian has over 12 years of... Read More →


Tuesday October 31, 2017 13:00 - 13:45
UBC Robson Square 800 Robson Street Vancouver, BC V6Z 3B7 Canada

13:45

[Deep Dive 4] Ventilation Design Considerations for Passive House Multifamily Residential Buildings
Passive House projects have gained significant momentum in North America. The first projects were more focused on single family dwellings. More recently Passive House has expanded into large commercial projects in particular, multifamily residential buildings.  This presentation will focus on design considerations around providing ventilation design for Passive House multifamily residential projects.
The presentation will discuss the pros and cons of centralized versus decentralized ventilation systems.  Issues such as locating duct work, fire damper issues, impact on multiple wall penetrations, joining exhaust air from multiple apartments, energy performance of centralized vs. decentralized systems etc.
An unexpected consequence of air tight Passive House hi density multifamily projects is humidity control in winter.  A detailed discussion of what is happening, how to recognize the potential issue and how to mitigate it will be discussed.
Finally, on applications where mechanical cooling is being considered, a discussion on how to tie the ventilation system into the cooling system will be reviewed.  In particular, best practices for connection ventilation systems to VRF.

Speakers
avatar for Hugh Crowther

Hugh Crowther

Vice President, Engineering, Swegon
Hugh Crowther is Vice President of Engineering for Swegon North America. Hugh has over 25 years’ experience in the application, design and commissioning of applied HVAC systems and is an expert on large HVAC system design, high performance buildings and sustainable buildings. He... Read More →


Tuesday October 31, 2017 13:45 - 14:45
UBC Robson Square 800 Robson Street Vancouver, BC V6Z 3B7 Canada

15:00

[Deep Dive 5] Designing for Air Tightness and Testing

Troy Glasner from E3 Eco Group along with Pat Cuthbert of Aqua Coast Engineering will be diving deep into large building air tightness testing. They will be covering the strategies that ensure a successful building envelope design as well as how to develop a successful plan for air tightness testing. They will be using “The Heights”, a Passive House multi-family building being constructed at 3501 East Hastings Street, as a case study to illustrate air barrier strategies and details, and to demonstrate the testing. They will discuss their findings and how other non-passive house projects have faired in whole building air tightness testing. 

Protocols for testing to the Passive House standard as well as the US Army Core of Engineers standard will be reviewed.  Construction details will be discussed to demonstrate how such projects can achieve a successful outcome for Passive Houses and for other building systems.


Speakers
avatar for Pat Cuthbert

Pat Cuthbert

Principal, Aqua-Coast Engineering
Pat Cuthbert is a Professional Engineer and Principal with Aqua-Coast Engineering. Pat has consulted on hundreds of Multi-Family Residential and Non-Residential projects ranging from Hospitals and Schools to 40+ storey high-rise condos, within BC, Alberta, and Saskatchewan. He is... Read More →
avatar for Troy Glasner

Troy Glasner

President, E3 Eco Group Inc.
Troy Glasner has become an advocate for building with energy efficiency, sustainability and health in mind.  His 12 years of experience in the industry, on both the product and the consulting side, enables him to source manufacturers and service providers for our clients that offer... Read More →


Tuesday October 31, 2017 15:00 - 16:00
UBC Robson Square 800 Robson Street Vancouver, BC V6Z 3B7 Canada

16:00

[Deep Dive 6] Mechanical Issues in Complex Buildings

Larger scale, non-residential Passive House buildings present unique challenges in adapting traditional Passive House design ethos, particularly in North America.  These types of buildings are often more complex with more involved requirements from both the owner and local building code.

 The list of the usual suspects often includes:

-  Cooling (Air-Conditioning) and De-Humidification Requirements

-  Large Process Loads – Commercial Food Services, Elevating Devices, Data Centres, and Product Refrigeration (e.g. grocery store)

-  More Sophisticated Mechanical and Control systems

- Increased ventilation rates, often driven by code mandated minimums

- Limited equipment availability at higher capacities and rated for commercial duty

The intent of this presentation is to contemplate how mechanical system design can be developed for North American commercial- and institutional-scale Passive House Buildings, without becoming unnecessarily complex or cost-prohibitive.

 Topics that will be covered include:

-   An overview of how heating, cooling, and domestic hot water systems for large scale buildings are developed

-  Ventilation systems including comparisons between code required and Passive House rates, airflow control, and heat exchange type best suited for your application

- Common challenges related to code-driven requirements, such as heat tracing systems, emergency generators, smoke exhaust requirements, etc.

- Managing process ventilation requirements surrounding elevators and kitchens

- Managing cooling-dominant applications and process loads

 The content draws upon the experiences and lessons learned from some of Integral Group’s current projects, including the Charter Telecom Headquarters Office in Victoria, BC; the Clayton Heights Community Centre in Surrey; the Hornby Island Firehall; the Vancouver Art Gallery; and the Vancouver Firehall 17 Redevelopment.


Speakers
avatar for Andy Chong

Andy Chong

Principal, Integral Group
Andy joined Integral Group in 2007 and has gained a mastery of the design,construction, and contractual challenges of large, complex projects. In 2014, Andywas responsible for the start-up of Integral Group’s Victoria Design Studio, and is nowthe Principal overseeing projects on... Read More →
avatar for Scott Ghomeshi

Scott Ghomeshi

Senior Mechanical Designer, Integral Group
As a Senior Mechanical Designer at Integral Group, Scott brings six years of project experience to the mechanical engineering team. Since joining thecompany in 2013, Scott has been involved in a diverse range of projects specializing in institutional and commercial building types... Read More →
avatar for Stuart Hood

Stuart Hood

Managing Principal, Integral Group
Stuart brings more than 25 years of building experience to the Integral Groupteam. His mechanical experience covers a wide range of projects includinginstitutional, residential, airport, commercial, cleanrooms and manufacturingfacilities. Specifically, he has completed a large number... Read More →


Tuesday October 31, 2017 16:00 - 17:00
UBC Robson Square 800 Robson Street Vancouver, BC V6Z 3B7 Canada