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ISSUE NUMBER 71 | SUMMER 2021 | PM40024961 | $6

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SENSING THE FUTURE OF THE RESTROOM. TO DAY.

Sloan’s sensor-operated products are leading the way toward the future of the integrated commercial restroom. With touch-free solutions for greater hand hygiene and cohesive design, that future is now. Learn more at sloan.com/touch-free Shown above: ST-2469 Water Closet with CX-8158 Flushometer in Graphite, Sloan ® XLERATOR ® EHD-501 Hand Dryer in Graphite, Designer Series™ DSG-83000 Gradient Sink with laminated cabinet-style vertical enclosure, BASYS ® EFX-250 Faucet and ESD-500 Soap Dispenser in Graphite, SU-7419 Designer Urinal with CX-8198 Flushometer in Graphite

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WWW.SABMAGAZINE.COM For more about the articles in this issue!

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News and Products

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80 Atlantic

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Barrett Centre for Technology Innovation

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A Blanket of Warmth

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UBC Okanagan, Skeena Residence

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Tsawwassen First Nation Youth Centre

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Grand Théâtre de Québec: Conservation & Rehabilitation

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BNP Paribas Office Interior

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University of Victoria District Energy Plant

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Prototype Laneway Housing

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North End Landing + James North Baptist Church

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DON’T MISS FALL 2021 NEXT ISSUE

THE PASSIVE HOUSE ISSUE Profiles of Passive House projects of various types from different regions of the country. Photo: Doig River Cultural Centre by Iredale Architecture.

The importance of Biophilic Design Advancing our physical and mental well-being

Viewpoint Innovations to turn wasted energy into reusable electricity

… AND MORE!

Cover: The winning projects of the SABMag 2021 Canadian Green Building Awards.

SABMag -SUMMER 2021

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YORK UNIVERSITY SCHULICH SCHOOL, TORONTO One of the most environmentally sustainable and socially responsible academic buildings in North America.

Winner of the Institutional [Large] Award, 2020 Canadian Green Building Awards.

Architect: Baird Samson Neuert Architects. Contractor: Ellis Don.

INLINE FIBERGLASS LTD. provided the bird-friendly, triple-glazed high-performance windows that contributed to achieve 71% energy savings and 67% in greenhouse gas emissions compared to Canadian Model National Energy Code reference building. The building is one of the first to use principles of Thermally Active Building Systems (TABS) to achieve LEED Gold certification.

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CALL US TO DISCUSS YOUR NEXT PROJECT! lbidner@inlinefiberglass.com 4

SABMag - SUMMER 2021

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MEMBER/MEMBRE

Dedicated to high-performance building

The 2021 SABMag Canadian Green Building Awards Our annual awards went virtual this year, with judging taking place online on March 19. We received almost 50 entries from across the country, with representation from eight provinces and territories.

Awards were made in all 10 categories.

Member Canada Green Building Council

SABMag is a proud member and official media partner of the Canada Green Building Council.

VISIT www.sabmagazine.com

photo: Roy Grogan

PUBLISHER Don Griffith 613-421-7588, dgriffith@sabmagazine.com EDITOR Jim Taggart, FRAIC 604-874-0195, architext@telus.net SENIOR ACCOUNT MANAGER Patricia Abbas 416-438-7609, pabbas@sabmagazine.com GRAPHIC DESIGN Carine De Pauw cdepauw@sabmagazine.com SUBSCRIPTIONS/CHANGE OF ADDRESS Lyse Cadieux, lcadieux@sabmagazine.com

The submissions were characterized by their holistic approach to sustainable design, often embracing the ambitions of multiple third party programs, such as: Passive House; the WELL Building Standard; Net Zero Energy; Net Zero Carbon and the Living Building Challenge.

Each of the winners was exemplary in this regard: Both the Skeena Residence at UBC Okanagan in Kelowna and the North End Landing & James North Baptist Church in Hamilton, achieve Passive House energy performance while creating stimulating and attractive interior environments. On a related theme, the University of Victoria district energy Plant provides a rare example of an industrial facility with an ‘education through transparency’ program and an attractive interior working environment Occupant wellbeing was addressed both psychologically and physiologically in the BNP Paribas office in Montréal and the Indigenous Ecological Knowledge project implemented on First Nations’ reserves in northern Saskatchewan.

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Both the 80 Atlantic Building in Toronto and the Tsawwassen First Nation Youth Centre used wood in pursuit of low carbon solutions for construction and operations, the former for a commercial project in downtown Toronto, the latter for a small community centre on the outskirts of Vancouver.

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Completing the list of winning projects, particularly creative design responses were embodied in the Barrett Centre for Technology Innovation at Humber College in Toronto, where parametric modelling was used to optimize passive design strategies; in the prototype Laneway Housing at the University of Toronto, where ‘gentle densification is achieved with compact, prefabricated buildings, organized in courtyard typologies accessed off living laneways; and Le Grand Théâtre de Québec, in Quebec City, where a classic Brutalist building by Victor Prus and integrated sculptural mural by Jordi Bonet, have been preserved within a new glass envelope.

Return undelivered Canadian address mail to: Janam Publications Inc., 81 Leduc St., Gatineau, Qc J8X 3A7

We would like to thank our jury: Drew Adams, Ewa Bieniecka and Sean Ruthen for their expertise, dedication and insightful critiques of all the entries received. We especially thank our national sponsors, Masonite Architectural and the Canadian Precast Prestressed Concrete Institute, along with our category sponsors noted below. Without their support we would not be able to mount the annual SABMag Awards program.

Printed on Domtar Husky Opaque text offset paper.

We look forward to next year’s competition and encourage you to enter what we believe is the most comprehensive green building awards program in Canada.

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SABMag - SUMMER 2021

news RAIC REPORT Catch up on the RAIC Podcast on Architecture In anticipation of the forthcoming RAIC Congress on Architecture, the RAIC has released its inaugural podcast series focusing on the issues and topics important to architects and design professionals in Canada. Titled the RAIC Podcast on Architecture, and hosted

by Mona Lemoine, Chair of RAIC Committee on Regenerative Environments, it focuses on Climate Action and Architecture. There are four episodes in total. Listen to the full episodes, read more about the guests, and download complete transcripts in English and French at https://raic.org/congress2021#Podcast.

CASE STUDY: INLINE FIBERGLASS ELEVATES ENVELOPE PERFORMANCE AT OAA HEADQUARTERS According to David Fujiwara, the architect of the retrofit, “Fiberglass frames were considered for the OAA office windows because of their thermal effectiveness, ability to carry a triple-glazed unit, slim profile and strength. They met all the requirements of the building code and of the project.

Read more https://sabmagazine.com/ case-studies/

ALEXANDRA BRIDGE NAMED TO NATIONAL TRUST ENDANGERED PLACES LIST TO OPPOSE DEMOLITION

A brief paper by Mitsubishi Electric Sales Canada describes how Air Source Heat Pump (ASHP) systems help builders, engineers, MURB owners, cities and provinces lower carbon footprints and reduce overall costs for commercial building owners, consumers and society. https:// cdn.agilitycms.com/mesca/articles/electrification-and-energy-efficiency-white-paper.pdf

JELD-WEN® CANADA NAMED MANUFACTURER OF THE YEAR WINNER FROM ENERGY STAR® JELD-WEN of Canada has been named the ENERGY STAR® Manufacturer of the Year in the category of Windows and Doors for 2021. It has won this award five times over the last seven years bringing its total ENERGY STAR® award count to eight. Early in 2020, JELD-WEN of Canada launched KEEP OUTSIDE OUT (keepoutsideout.com), a comprehensive awareness campaign used to market their specialized Northern Tri-Pane Collection™ windows across Canada.

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CANADIAN DIRECTORY OF PRODUCTS AND SERVICES FOR SUSTAINABLE, HIGH-PERFORMANCE BUILDING

The Directory offers a quick view of the structure of LEED, and is a quick reference for finding products. Examples of featured listings include: - LiveRoof Ontario - The premier pre-vegetated green roof system available across Canada.

Regionally grown modules with vegetation specifically selected and tested for your climate by the horticultural professionals at LiveRoof. Wind uplift tested according to CSA A123.24-15. liveroofontario.ca - Thames Valley Brick & Tile - A trusted source for Clay Face Brick, Thin Brick and Paving Brick, including LEED qualifying products, that meet the challenges of the Canadian architectural and designer marketplace. thamesvalleybrick.com - Duxton Windows & Doors – The Future is FIBERGLASS: Super low U-values; Tough frames; Beautiful aesthetics and Passive House Applications. duxtonwindows.com

The National Trust for Canada has added to its Endangered Places List the Alexandra Interprovincial Bridge that links the cities of Ottawa and Gatineau. The Alexandra Bridge was built in 1898-1900 and has been recognized by the Canadian Society of Civil Engineering as an outstanding work of engineering due to its innovative steel truss cantilever design.

The federal government’s announcement that the bridge would be demolished and replaced runs squarely against its own recently announced climate change targets and reuse of existing buildings and structures. Follow the Alexandra Bridge Coalition. kvuorimaki@nationaltrustcanada.ca Photo: Paul de Broeck

- ENERsign Windows + Doors – Passive House Institute certified Windows and Doors: Cold Climate; Energy efficient and future-proof; Visionary performance; Clean aesthetics; Best performance values for ENERsign Primus R10. enersign.com - CBR Products - Got a tough low-VOC job to spec? Choose BRODA® oil-based and waterbased wood and concrete coatings by CBR Products, with architect-proven LEED-compliant formulas. Custom colours and factory pre-finishing services available. cbrproducts.com

MITSUBISHI ELECTRIC SALES MAKES THE CASE FOR STRATEGIC ELECTRIFICATION Achieving 2050 energy efficiency targets to reduce emissions by 80% will require strategies beyond the standard energy efficiency and renewable energy push.

- Aqua-Tech Sales and Marketing Inc. - Providing the Canadian marketplace with high efficiency condensing boiler and water heater products by Lochinvar LLC. LEED v4 Category potential for New Construction, Major Renovations and Homes for energy performance. aqua-tech canada.com

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>> CONGRATULATIONS >>

to the winning teams Indigenous Ecological Knowledge: A Blanket of Warmth - Technical Award. L to R: Wendell Starblanket of Star Blanket Cree Nation, and Murdoch MacPherson of MacPherson Engineering, Sonia Starblanket and Aura Lee MacPherson of MacPherson Engineering.

Barrett Centre for Technology Innovation, Humber College Institutional (Large) Award Andrew Frontini representing Perkins&Will.

BNP Paribas Montreal Office/ Interior Design Award Vincent Hauspy representing Provencher_Roy.

Prototype Laneway Housing, University of Toronto - Residential (Small) Award Jon Neuert, B.Arch., OAA, AIA, FRAIC, LEED Principal representing Baird Sampson Neuert.

North End Landing + James North Baptist Church - Mixed Use Award L to R: Conrado Tabunot, Kasia Wright, Sara Anderson (holding the award), Holly Young, Ted Boruta, Bryce Stonehouse, and Emma Cubitt of Invizij Architects Inc.

Skeena Residence, UBC Okanagan Residential (Large) Award. Brian Wakelin FRAIC, LEED AP Principal, Architect AIBC representing PUBLIC: Architecture + Communication.

80 Atlantic Building - Commercial Industrial (Large) Award Brian Prinzen representing BDP Quadrangle.

Le Grand Théâtre de Québec - Existing Building Upgrade Award. L to R: From Atelier 21, Christian Bernard Associate Architect, Project Manager and Manager of Project Design, and Mathieu Turgeon Architect., P.A. LEED BD+C, Manager of Project Construction; and Eric Pelletier representing Lemay.

Tsawwassen First Nation Youth Centre - Institutional (Small) Award. L to R: Tim Lam P. Eng. Ennova Structural engineers Inc., Zhiwei Lu BCSLA, Daichi Yamashita architect AIBC (holding the office puppy, Bobo), Dr. Nancy Mackin Architect AIBC AIA LEED AP, Pearl YIP BCSLA CSLA, and Pengfei Du MLA of Mackin Tanaka Architecture.

University of Victoria District Energy Plant Commercial/Industrial (Small) Award L to R: Esteban Matheus, Architect Associate and Martin Nielsen, Partner representing DIALOG.

Thank you to our sponsors

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SABMag - SUMMER 2021

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Commercial/Industrial (Large) Award (sponsored by Mitsubishi Electric Sales Canada Inc.) BPD Quadrangle

80 ATLANTIC Toronto, ON Jury Comment In a market where commercial buildings of this size and type were once common, this project sends a signal that mass wood construction is once again a viable and highly desirable option.

The warmth of the exposed wood and high quality of interior daylighting contribute to a beautiful working environment. With its glass exterior, the building makes a striking and poignant complement to its historic Brick and beam neighbor, reinforcing the idea that both aesthetically and technically, mass wood can be part of a more sustainable future.

1. 80 Atlantic combines four storeys of office space, constructed in Canadian-sourced mass timber, over a single-storey retail podium constructed in concrete.

2. The east elevation. Energy intensity is 104 KWhr/m2/year for the base building load and 46 KWhr/m2/year for the process loads.

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Ontario’s first mass timber commercial building in a generation, 80 Atlantic sets

80 Atlantic mixes the warmth, beauty and large, open

an important precedent for the region and for this market sector. Located next to

spans of a converted industrial building with the envi-

60 Atlantic, a warehouse renovation and expansion by the same architect, the two

ronmental and technological advantages of a Class-A

projects now form the nucleus of a creative hub that is developing in Toronto’s

office building, including airtight construction, energy

Liberty Village.

efficiency, good acoustics and built-in technologies.

80 Atlantic combines four storeys of office space, constructed in Canadian-

The project offers the materially raw and easily

sourced mass timber, over a single-storey retail podium, constructed in concrete.

reconfigurable environment popular with new economy

The project goals were to design an office building that would build on the suc-

tenants, but without its deficits: the dust, draughts,

cess of 60 Atlantic, demonstrate leadership in the rapidly developing field of mass

poor acoustics, energy inefficiency, and the obtrusively

timber, and to attract creative tenants. Motivated by recent changes to the Ontario

placed pipes and cables. Punched windows echo the

Building Code allowing for commercial wood buildings up to six storeys, the team

architecture of surrounding heritage buildings and

introduced a new ‘Post and Beam 2.0’ typology.

maintain an overall window-to-wall ratio of 40%.

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East-West building cross-section 3

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Typical parapet along East + North + West

A south-facing curtain wall mitigates the building’s mass and scale, while showcasing the mass timber interiors to passersby. Rather than being exposed within the occupied spaces, HVAC ducts, integrated into the floor plenum, keep the air moving and temperatures comfortable. The electrical and telecommunications systems are also below the floor, resulting in a highly adaptable and uncluttered space. Unobscured by ducts or bulkheads, the natural wood columns and ceilings are on display throughout.

Building users have more control over their environment than in a typical office setting, thanks to operable windows which are easily accessible to 30% of occupants and interior shading control through user operated blinds.

Significant energy savings stem from an energy recovery ventilator with 88% sensible recovery serving the rooftop units and condensing boilers with a thermal seasonal efficiency of 90%. High-performance LED lighting and occupancy sensors reduce the energy required to light the space by more than 50% compared to the code referenced standard.

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PROJECT PERFORMANCE Energy intensity (building) = 104KWhr/m2/year Energy intensity (process) = 46KWhr/m2/year Energy intensity reduction relative to reference building under ASHRAE 90.1 – 2010 = 32.3% Water consumption from municipal sources = 4,712 litres/occupant/year Reduction in water consumption relative to reference building under LEED = 23% PROJECT CREDITS OWNER Hullmark Developments Ltd and BentallGreenOak ARCHITECT BDP Quadrangle GENERAL CONTRACTOR Eastern Construction LANDSCAPE ARCHITECT Vertechs Design Inc. CIVIL ENGINEER R V Anderson Associates ELECTRICAL AND MECHANICAL ENGINEERS Smith + Andersen STRUCTURAL ENGINEER RJC Engineers COMMISSIONING AGENT RWDI BUILDING ENVELOPE CONSULTANT RDH Building Science HERITAGE ENVELOPE CONSULTANT Philip Goldsmith Architect CERAMITEX® FACADE INSTALLER Ontario Panelization CERAMITEX® FACADE MANUFACTURER Elemex Architectural Facade Systems PHOTOS Doublespace Photography and Bob Gundu

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3. The buff-coloured surface of the Ceramitex® rainscreen and the scale of the punched windows honour the industrial brick vernacular of the area. The 19,455 sq ft. of thin sintered ceramic is manufactured with the fiberglass-reinforced mesh backing that is adhered to the Elemex® Unity® Attachment Technology, making it a durable and versatile choice.

4. The vegetated roof controls run-off and serves as a pollinator garden.

5. Recent changes to the Ontario Building Code, allowing for commercial wood buildings up to six storeys, motivated the team to use mass timber post and beam for an open warehouse look that optimizes layout flexibility.

6. HVAC ducts and electrical/telecommunications systems are integrated into the floor plenum resulting in a highly adaptable and uncluttered space.

80 Atlantic also features the first vegetated roof on a mass timber commercial building in Toronto, setting another precedent for this market sector. The vegetated roof is a combination of intensive and semi-intensive species, with taller grasses around the edges. Site landscaping includes 100% native tree species, planted in Silva Cells, and at least 50% native and drought tolerant plants. Rainwater is retained and reused for landscaping.

From its inception, 80 Atlantic attracted the attention of design and construction professionals as well as the general public. The design team responded by creating educational opportunities, including the construction and testing of fullscale assemblies for students at the Carpenters Union, and frequent open house events for the construction industry and public alike.

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SABMag - SUMMER 2021

Institutional (Large) Award Perkins&Will

BARRETT CENTRE FOR TECHNOLOGY INNOVATION Humber College, Toronto, ON Jury Comment This project is significant for its innovative use of parametric

Instead, the result can be considered a kind of

software; not for abstract form-making, but for taking a first

‘place and performance-based regionalism’. The

principles approach to passive design. In many cases, the

flexible arrangement of learning spaces, the bright

LEED Platinum and Net Zero ambitions for the project would

and colourful interiors and park-like accessible roof

have resulted in an uninspiring box-like form.

all enrich the experience of this building, within its bland suburban context.

1. The building acts as a dramatic portal; its dynamic glazed lobby and cantilevered form creating spaces for the exchange of information and ideas to inspire an informal and active learning experience.

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This net-zero energy building is a first for Humber College

These spaces are designed to enable a free exchange of information

and is targetting LEED Platinum certification. The facility

and ideas to inspire an informal and active learning experience. The central

sets a precedent for innovation in automated manufactur-

atrium offers an immediate connection to the outdoors through views to

ing and human-centred solutions, omitting classrooms

surrounding landscaped spaces and campus and ample access to natural

entirely. Instead, flexible project modules provide space for

light. The building achieves net zero energy through a conservation first

fabrication and technical zones for students, faculty, and

approach, driven by parametric analysis of solar radiation, daylight pen-

industry to explore, research and fabricate together.

etration, natural ventilation and envelope optimization, supplemented by a 700 kW solar PV array located on an adjacent parking structure. Beyond

The experience of the BCTI begins the moment one steps

this, the project embodies a holistic approach to sustainability, in alignment

onto campus. The building acts as a dramatic portal; its

with the College’s values: green rooftop teaching spaces, urban agriculture

dynamic glazed lobby and cantilevered form creating a new

pods, and visible high-performance building systems that foster a culture

focus for student life. The BCTI features active and social

of environmental stewardship as a vital aspect of entrepreneurial innova-

spaces like interactive demonstration areas and flexible

tion. Materials have been chosen for low environmental impact, occupant

open-concept gathering areas.

health and wellbeing, durability and climate change resilience.

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Welcome Zone Social Space Seating Stair Cafe and Kiosk

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Collaboration Sandbox Resource Work Room Demonstration Room Outdoor Demonstration Space

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Tech Zone—Wood and Metal Wet Module Mobile Tech Bay Shower

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Janitor Mechanical and Electrical Washroom Pedestrian Bridge

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Bus Loop Parking Garage Rain Garden Plaza

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Makerspace Equipment Storage Module A Tech Zone - Digital 3D Development Project Room

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Lockers Gaming Area Learning Commons Aboriginal Display

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Work Room Seminar Room Skills Training Hub Module A Skills Training Hub Module B

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Module B Coffee Bar Mechanical/Electrical Washroom

PROJECT CREDITS ARCHITECT Perkins+Will OWNER/DEVELOPER Humber College GENERAL CONTRACTOR Bird Construction LANDSCAPE ARCHITECT Brodie And Associates CIVIL ENGINEER EXP ELECTRICAL/ MECHANICAL ENGINEER MCW Consultants STRUCTURAL ENGINEER Thornton Tomasetti LEED CONSULTANT Fluent BUILDING ENVELOPE RDH ACOUSTICS, NOISE AND VIBRATION Aerocoustics ACCESSIBILITY Designable Environments BUILDING CODE LRI PHOTOS: Scott Norsworthy (photo 4), Tom Arban Photography (photos 1, 3 and 5), Joe Markovic Photography (photo 2) 2

PROJECT PERFORMANCE ENERGY INTENSITY (BUILDING AND PROCESS ENERGY) = 99.8 KWhr/m2/year ENERGY INTENSITY REDUCTION RELATIVE TO REFERENCE BUILDING = 100% (all energy supplied by renewables) WATER CONSUMPTION FROM MUNICIPAL SOURCES = 1,559 litres/occupant/year REDUCTION IN WATER CONSUMPTION RELATIVE TO REFERENCE BUILDING UNDER LEED = 40% RECYCLED MATERIAL CONTENT BY VALUE = 24% REGIONAL MATERIALS (800KM RADIUS) BY VALUE = 34% CONSTRUCTION WASTE DIVERTED FROM LANDFILL = 85.3% 2. The partly vegetated roof contributes to stormwater retention. Around the building exterior the ACO KlassikDrain handles stormwater collection in the form of an aesthetically pleasing linear trench drain which helps to maintain smooth surface grading while preserving building accessibility. With proven performance in winter conditions, it also provides LEED credit eligibility for regional manufacturing.

3. A mix of cladding was used on the project. CBC Specialty Metals supplied through Bothwell-Accurate Co. Inc the VMZINC® ANTHRAZINC® STRAT Interlocking Panels, having expected lifespan of over 100 years. Quarried in Ontario, Adair natural limestone by Arriscraft, used around the base of the building, is unique in the industry offering unparalleled distinction and longevity for commercial projects.

4. Concrete floors provide thermal mass and also influenced the distinctive form of the building.

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High-performance roof - Passive house inspired - R-50 insulation

Passive ventilation - Vented skylight - Stack effect with solar chimney

Light well

Reflective low-albedo roof membrane

Efficient cooling - Distributed fan coil units

High-performance envelope Optimizing heat gain for winter and summer conditions Maximizing daylighting and minimizing glare with light shelves Operable windows - For cross ventilation Concrete structure - For passive heating in winter

Building section The parametric modelling analysis optimized both the massing

A dark natural zinc plank system was chosen as cladding for

and envelope resulting in a highly insulated façade, concrete floors

its durability and modularity, facilitating long term maintenance.

acting as thermal mass in the lobby, and also influenced the distinc-

Durable, natural limestone along the base of the building provides

tive form of the building. A window-to-wall ratio of 40% emphasizes

a direct material connection to the surrounding natural landscape.

glazing where daylight is beneficial to support occupant health,

Materials were screened for embodied carbon, and reductions were

particular in active learning spaces, collaboration zones and circula-

achieved through use of FSC lumber, low-carbon insulation, low-

tion paths. Brise Soleil shading devices on the south façade mitigate

carbon exterior cladding material, reduction in glazing, low-carbon

heat gain and glare, while a thermal chimney enables natural ventila-

refrigerants, and aluminum in place of steel for window assemblies.

tion during more temperate seasons.

The BCTI features an enclosed roof terrace and garden that The design team also used dynamic multi-parametric modelling

allows for food production and a habitat for butterflies and pollina-

software to adjust various envelope parameters including R-value,

tors. It also contributes to stormwater retention and replenishment

infiltration rates, and solar heat gain co-efficient for glazing to find

of onsite vegetation, nutrients in soils. Planted areas use native and

the most efficient and cost-effective combination of elements.

drought-resistant species, creating micro habitats that contribute to the greater local ecosystem.

5. The building achieves net zero energy through a conservation first approach, driven by analysis of solar radiation, daylight penetration, natural ventilation and envelope optimization. Lochinvar by Aqua-Tech supplied two Crest Condensing Boilers Model FBN1751 for space heating and domestic hot water, and a GVC65JR Hot Water Generator c/w Double Wall Tube Bundle for indirect domestic hot water demand.

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SABMag - SUMMER 2021

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Efficient drainage

for sustainable urban design ACO Drain with cast iron grates

Wide variety of aesthetic grate styles

Increases lifespan of surrounding surfaces Easily integrates with soil cells and LID measures Simplifies accessibility grading Easy installation with single-stage concrete pour Heelproof and ADA compliant options

Product information I application guidance I design support

(905) 829-0665 • info@acocan.ca • www.acocan.ca SABMag -SUMMER 2021

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Technical Award MacPherson Engineering Inc.

A BLANKET OF WARMTH Star Blanket Cree Nation, SK Jury Comment “This simple, affordable and highly transferable

notable for its collaborative approach and the inspiration it

design solution to the substandard indoor

takes from traditional Aboriginal structures. The transition

environmental quality in much of the First Nations housing stock across the country, is

from forced air to radiant heat brings multiple benefits, with a payback period of less than 10 years.”

1. The hybrid radiant heating system helps to mitigate mould with the result that two 50-year old homes of the Star Blanket Cree Nation could comply with ASHRAE Standard 55 – Thermal Environmental Conditions of Human Occupancy.

2. The installation of the hybrid heating system using PEX piping on 75% of the concrete perimeter basement walls, along with the retrofitting of a conventional HVAC system, has shown to be a simple and affordable solution for improved air quality and thermal comfort.

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The Blanket of Warmth Project works with Indigenous

The Blanket of Warmth Project began with a chance conversation in which

Peoples across Canada to improve building standards and

a member of the Star Blanket Cree Nation drew attention to his health con-

energy efficiency for First Nations on-reserve housing,

cerns about the mould in his home, the expense of running a dehumidifier

using principles drawn from Indigenous knowledge of the

and space heaters, and ultimately the need to replace the silica desiccant

tipi. The project also addresses five of the Sustainable

bags used presently to reduce condensation in the basement.

Development Goals set out by the United Nations: Partnerships, Responsible Consumption and Production,

By conceptualizing and applying this Indigenous Knowledge to a pair of

Industry, Innovation and Infrastructure, Good Health and

50-year old homes; retrofitting their HVAC system with hybrid radiant heat-

Wellbeing, and Quality of Education.

ing systems similar to the rocks in a tipi, the project brought two homes that did not comply with ASHRAE Standard 55 – Thermal Environmental

The tipi was one of the first structures in North America to consciously exploit the phenomenon of thermal radiation, with rocks being placed around a central fire to absorb, store and re-radiate heat.

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SABMag - SUMMER 2021

Conditions of Human Occupancy, to homes that did.

To address the mould issue, MacPherson Engineering

Aligning with the United Nations goals, the retrofitting of conventional

partnered with universities, industry leaders, psycholo-

HVAC with a system that was simple to install and operate improved effi-

gists, Knowledge Keepers, engineers, and businesses. The

ciency and sustainability.

project needed to be affordable, ecofriendly, incorporate Indigenous knowledge, and create positive social values of inclusion, cooperation, and respect.

After installation, a comparative study was done, proving that radiant heating is a feasible solution to address air quality, thermal comfort, and energy use and humidity problems, performing much better than traditional

The project broadened responsible consumption and

HVAC systems.

production with the installation of the hybrid heating system on 75% of the concrete perimeter basement walls.

Manual air vents at high points 20" dia. pex piping

Pressure gauge

Circulator pump

Automatic air vent

Isolation valves

Pipe coil in counterflow arrangement

Relief valve Expansion tank

Connect to system fill connection

Furnace Supply air

Return air

Return manifold 20" dia. pex piping

RadiantLink furnace coil Glycol feeder

Supply manifold 12" dia. pex piping

Radiant wall schematic

PROJECT CREDITS OWNER / DEVELOPER Star Blanket Cree Nation MECHANICAL ENGINEER MacPherson Engineering Inc. PLUMBING AND HEATING Anaquod Plumbing and Heating CONSTRUCTION J McNaughton Construction UNIVERSITY OF REGINA Dr Arm Henni & Capstone students PHOTOS Aura Lee MacPherson 3. (l to r) Chief Michael Starr, Aura Lee MacPherson and Murdoch MacPherson of MacPherson Engineering.

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Residential (Large) Award (Sponsored by Inline Fiberglass) Public Architecture + Communication

UBC OKANAGAN, SKEENA RESIDENCE University of British Columbia Okanagan, Kelowna BC

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Jury Comments: Not only does Passive House certification take this building beyond Code in terms of energy performance; it achieves this while still addressing issues of context and community.

The relationship to its surroundings is carefully considered, as is the design an organization of its common spaces.

Making successive cohorts of students aware of the superior quality of a Passive House environment – and so raising their expectations, may be the most significant contribution of this project.

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PROJECT CREDITS CLIENT University of British Columbia ARCHITECT Public Architecture + Communication CONSTRUCTION MANAGER Sawchuk Construction Management STRUCTURAL ENGINEERS Bush Bohlman & Partners LLP MECHANICAL ENGINEERS AME Consulting Group ELECTRICAL ENGINEERS Jarvis Engineering Consultants BUILDING CODE CONSULTANTS GHL Consultants Ltd. CIVIL ENGINEERS AND LANDSCAPE ARCHITECTS WSP PASSIVE HOUSE CONSULTANTS RDH Building Science PASSIVE HOUSE CERTIFIER Peel Passive House Consulting Ltd. COMMISSIONING AGENT Kane Consulting PHOTOS Andrew Latreille PROJECT PERFORMANCE; PASSIVE HOUSE METRICS Heating demand 7.08 kWh/m2a Cooling and dehumidification demand 2 kWh/m2a Primary energy renewable 70 kWh/m2a Air leakage 0.08 ACH (post-construction test) 1. The Passive House certified residence accommodates an ensemble of residence buildings encircling the central Commons Field green space.

2. The simple rectilinear volume with no indentations and overhangs minimizes insulation, airtightness and thermal bridging for improved energy performance.

3. A building envelope specialist brought in early to the design process helped the understanding of thermal bridging and other energy-loss considerations and related detailing.

Transverse building section

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This new Passive House certified residence accommodates 220 students within five floors of light wood frame construction, above a concrete ground floor that contains common areas, amenity and service spaces. The building completes an ensemble of residence buildings encircling the central green space on campus – known as Commons Field.

The five identical residential floors include shared bathrooms flanked by two bedrooms. This layout allows space for quiet study when required. Additionally, each floor contains both a study lounge and a house lounge with views of the surrounding mountains, the latter equipped with a kitchenette, dining table and couches.

Locating these spaces at opposite ends of the floor ensures that quiet study is not interrupted by noise from the social home lounge.

The first level includes a large laundry room adjacent to the student lounge. Separated by a glass wall, the relationship between the two spaces encourages chance meetings and spontaneous gatherings. Moreover, the transparency offers passive surveillance, or visibility that promotes a sense of security.

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1. Entry lobby 2. Informal seating area 3. Activity room 4. House lounge 5. Laundry

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Typical floor plan 24

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6. Mechanical room 7. Electrical room 8. Communications room 9. Storage 10. Housekeeping

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11. Waste 12. Student rooms 13. Accessible student rooms 14. Floor lounge 15. Study lounge

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The Passive House goal of minimal energy use for heating and cooling informed many design choices. Given that irregular forms with multiple indentations and corners, or projections such as steps, overhangs, or canopies create challenges for insulation, airtightness and the elimination of thermal bridging, a simple and efficient rectilinear volume performs best.

This limits aesthetic parameters to material, colour, pattern, and texture. The simpler the building, the more important material choices and detailing become. The exterior is clad in a combination of lightly-coloured fibre cement and darker metal panels. A feeling of depth is created by bringing the fibre cement panels forward of the metal, emphasizing the depth of the window reveals and providing articulation without adding complexity.

The design process required accelerated decisionmaking and involved more work during schematic design than for traditional projects. For example, understanding thermal bridging implications and other energy-loss considerations necessitated the early involvement of a building envelope specialist and the front-loading of assembly and junction detailing.

6 5 Detailing of the mechanical systems early on was also vital to maintaining the schedule and budget. For example, Passive House performance requires mechanical service pipes to have thicker insulation than for a conventional building and collaboration between disciplines was necessary to achieve this within typical assembly dimensions. It was also possible to adjust other building components to achieve the energy goals.

The density of occupants in a student residence necessarily presents further challenges. With a student population comes a far greater number of fridges, hair dryers, and computers per square metre than a typical mid-range residential building. These appliances create a significant plug load, or electrical draw. Similarly, the number and frequency of showers taken and loads of laundry washed increases humidity and mandates the careful calibration of air change rates to avoid condensation and mould.

To minimize greenhouse gas emissions, the building is not connected to the natural gas supply. Instead, it is a standalone electric-based system and utilizes electric heat pumps for heating and cooling. The result is a greenhouse gas intensity of just 0.66 kgCO2eq/m2 per year.

4. The exterior is clad in a combination of lightly-coloured fibre cement and contrasting darker metal panels.

5. Each of the five identical residential floors contains a study lounge.

6. The increased humidity caused by the laundry, cooking and showering of 220 student residents required careful calibration of air change rates to avoid condensation and mould.

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MacPherson Engineering Inc. is proud to be part of the ‘Blanket of Warmth’ project, winner of the Technical Award. ‘Building Back Better’ is possible when we respect Indigenous Ecological Knowledge, are mindful of the United Nations 17 Sustainable Development Goals, value science from ASHRAE and ‘believe’ we can do better.

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 

 306 586 7972

80 Atlantic | Toronto, ON

Our commitment to sustainable design is embedded into our everyday engineering practice.





 

     

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    

   

Institutional (Small) Award Mackin Tanaka Architecture

TSAWWASSEN FIRST NATION YOUTH CENTRE Tsawwassen, BC Jury Comment With the growing concern for the embodied carbon in our

In addition to its low environmental impact, the

built environment, this small building for the Tsawwassen

location next to the Salish Sea and on the Pacific

First Nation stands out for its commitment to that cause.

flight path for migratory birds, make it an invalu-

In fact, its widespread use of wood and its projected low

able teaching tool for Indigenous youth –

operating energy demand, may make the building carbon

and for all of us.

negative for a decade or more.

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Site plan

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Main floor plan

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1. Entry 2. Kitchen dining 3. Gallery 4. Computer lab 5. Office 6. Tutoring 7. Art 8. Electrical room 9. Mechanical room 10. Business centre 11. Equipment room 12. Elevator 13. Security 14. Counselling 15. Bathroom

Second floor plan

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1. Weight room 2. Teen activity and meeting room 3. Dance media and music 4. Storage 5. Mechanical 6. Multipurpose room/Gymnasium 7. Elevator 8. Bathroom

PROJECT CREDITS ARCHITECT Mackin Tanaka Architecture OWNER / DEVELOPER Tsawwassen First Nation GENERAL CONTRACTOR CONVERGE CONSTRUCTION LANDSCAPE ARCHITECT ZHIWEI LU CIVIL ENGINEER Webster Engineering Ltd. ELECTRICAL/ MECHANICAL ENGINEER MCW Consultants Ltd. TIMBER CONSTRUCTION Durfeld Log & Timber PHOTOS Ema Peter and Mitch Creek PROJECT PERFORMANCE Energy intensity (building and process energy from hydro-electric sources) = 180 KWhr/m2/year Water consumption from municipal sources = 86,424 litres/occupant/year Reduction in water consumption relative to reference building under LEED v4 = 18% 2

This community centre for young people and their

An interactive design process, involving children, teens, leadership, and

families provides spaces for drop-in and scheduled pro-

artists guided the development of the program and the approach to building

grams and community gatherings. Located on treaty

design. Among the program elements that emerged from this collaborative

lands south of Vancouver, the waterfront site is part of a

process were, climbing walls, art and music studios, MMA and weight room

unique cultural and ecological area, the meeting place of

areas, a teen lounge and an outdoor oriented activity space for the younger

cultures and ecologies.

set. TFN citizens of all ages expressed their commitment to maintaining the health of their traditional lands and using environmentally responsible and

The design of the two-storey building bridges tradition

durable materials and systems for their new building.

and modernity, its narrative unfolding through its form, structure, materials and relationship to site. In this way, it teaches future leaders 4,000 year old lessons about stewardship of the land and sea.

1. The south and west elevations. The design of the two-storey building bridges tradition and modern requirements.

2. Coast Salish peoples’ oral histories about ecological and cultural diversity are retold pictorially on walls and windows which also makes the latter bird-friendly.

Cross section SABMag -SUMMER 2021

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The two-storey exposed Dowel-Laminated Timber (DLT) wall, floor and roof structure is supported on a western red cedar pole-and-beam frame, this use of local, sustainably harvested wood contributing to a net construction carbon footprint of negative 194 metric tonnes. With reversible screwed connections and no adhesives, the building is also designed to be completely demountable at the end of its service life. All operating energy requirements are met using hydroelectric power.

Since the site is centered on the Pacific Flyway where sea and sand flats provide food and habitat for millions of migratory birds, preservation and enhancement of natural ecosystems was a key driver of design. Glazing is bird-friendly. Tiny hummingbirds on a 2x4 grid provide child-sized reminders of connectedness to the natural world and the need to preserve biodiversity.

4 3 Across the site, microhabitats offer avian food while forming a woven blanket of colours at different times of the year. Native plantings offer feeding and nesting opportunities at different times of the year. Red, orange, and purple native wildflowers provide nectar, seeds and autumn fruit. The site retains native grasses and trees that provide cover for nesting Western sandpipers and insects to supplement their mollusc-based diet. In the tradition of the Coast Salish peoples, Oral histories about ecological and cultural diversity are retold pictorially on windows and walls. Signage is in the traditional Hun'qum'i'num language, further reinforcing ancient ecological and cultural wisdom.

3. The lobby and stair to the second level at the main entrance.

4. The teen activity and meeting room. The two-storey exposed DowelLaminated Timber (DLT) wall, floor and roof structure is supported on a western red cedar pole-and-beam frame which can be disassembled at the end of its service life.

5. The gymnasium on the second floor with a Sportec underlayment 4 mm overlaid with Sportec UNI classic 4mm. Damtec wave 3D 17/8 was installed as a resilient layer (acoustic insulation under screed) over the entire second floor, with 6 mm Damtec estra installed as a de-coupler strip around all wall perimeters, logs, MEP routing etc. Sportec and Damtec supplied by Ideal Fit (idealfit.ca).

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We believe wood is the most natural and healthy product to build with.

We have 25 years experience in mass timber, having worked on development of DLT in Europe in the 1990’s. We are now proud to be pioneering both stacked and cross laminated DLT in Canada.

We design, engineer, manufacture and install Wood100® DLT, a 100% wood, no glue DLT. Architects, engineers and builders are realising the potential of Wood100® DLT as a healthy, sustainable and energy efficient building product.

Wood100® DLT is Truly Sustainable Our 100% wood DLT contains no glues or other chemicals, making it 100% recyclable. It can be disassembled and reused or composted at the end of its life. The energy consumption during manufacture is roughly 3.5 times lower than other mass timber products, significantly lowering product emissions.

Wood100® DLT is Energy Efficient Our cross laminated Wood100® DLT product holds records for heat insulation in structural material and therefore minimal operating costs. Tests of 3 wall systems with the same R-value showed the supremacy of cross laminated DLT. An average 100% wood DLT home needs 1/3 of the heating system compared to traditional framed homes with the same R-value.

It’s like having air conditioning and heating systems with zero energy consumption.

Wood100® DLT is Healthy WIth no off-gassing from glues or contamination from chemicals, Wood100® DLT offers a significantly healthier indoor environment, particularly for those with allergies and hypersensitivity. 100% wood DLT regulates the indoor climate much better because moisture can be transferred freely between the entire wall system.

Radium Community Centre and Library is a past winner of the Canadian Green Building Award. International Timberframes was excited to collaborate with Urban Arts Architecture and other building partners on this project, one of the first in Canada to use DLT. We prefabricated and installed the Wood100® DLT variegated roof panels, integrating the design with other wood elements in the building.

Collaborating with architects on detail solutions across the design process guarantees quality control from start to finish.

www.itimberf.com

info@itimberf.com

(+1) 250 439-1099

SABMag -SUMMER 2021 31 (+1) 250 344-1067

Existing Building Upgrade Award Lemay and Atelier 21

GRAND THÉÂTRE DE QUÉBEC: CONSERVATION & REHABILITATION Quebec City, QC Jury Comment A sophisticated resolution of what had originally seemed

respectful and refreshing. Given the nationwide

an insurmountable technical challenge; that of conserving a

challenge we face in remediating and reusing so

deteriorating Brutalist concrete masterpiece and the built-in

many buildings of this type, this project inspires

sculptures it contains. The glass veil preserves the character

us to embrace the challenge and simultaneously

of the original building with a lightness of touch that is both

enrich the urban narrative.

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Bioclimatic plan

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Famed for its brutalist architecture by Victor Prus and entwined with its historic, sculptural mural by Jordi Bonet, the Grand Théâtre de Québec is a prized cultural icon for all Québecers, inaugurated for the Confederation Centennial in 1971. Designed by prominent architect Victor Prus in the Brutalist style, prefabricated concrete interior and exterior walls are the defining architectural elements of the building.

In addition, nearly 60% of the interior is covered with an integrated mural by sculptor Jordi Bonet The existing prefabricated concrete envelope had major condensation and rust issues. The fragility of the mural and the inaccessibility of the concrete anchors required a radical

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Fresh air is supplied at the four corners through new canopies located above the entrances. In the cavity, roof fans and a perimeter ventilation duct circulate the air around the facades so that the temperature is balanced. A low-flow heat recovery and thermal system provides energy efficiency.

PROJECT CREDITS ARCHITECT Lemay ASSOCIATE ARCHITECT Atelier 21 OWNER/DEVELOPER Le Grand Théâtre de Québec CONSTRUCTION MANAGER Pomerleau LANDSCAPE ARCHITECT Lemay + Atelier 21 CIVIL ENGINEER WSP ELECTRICAL, MECHANICAL, STRUCTURAL ENGINEER WSP COMMISSIONING AGENT Ambioner OTHER ELEMA, Metal Presto, Vitrerie Laberge PHOTOS Stéphane Groleau

solution. Adding a new glass envelope stopped the deterioration and significantly extended the service life.

Requiring only a prefabricated steel structure and glass infill panels, the solution minimized the use of new materials, left the existing envelope untouched and avoided invasive interior work. Cleverly resting on the existing foundations, the steel framework reduced the use of concrete and

PROJECT PERFORMANCE Recycled materials The steel used for the new exterior structure has 25% recycled content.

Energy Intensity With the addition of the tempered double envelope, the energy intensity increased from 235.9 KWh/m2/year to 241.6 KWh/m2/year, a 2.39% increase.

site excavation.

1. The new exterior prefabricated steel structure and glass infill panels have minimized the use of new materials, left the existing envelope untouched, and avoided invasive interior work.

2. Cleverly resting on the existing foundations, the steel framework reduced the use of concrete and site excavation.

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Ultra clear laminated glass Aluminum mounting plate Ultra clear laminated glass Steel hanger New steel column

Ultra clear laminated glass Aluminum mounting plate Steel hanger

Ultra clear laminated glass Heater

Aluminum plate Typical section

Ultra clear laminated glass Steel hanger Existing precast column New steel column

New indoor glass facade Integrated gutter New gratings

Heating duct

New steel structure Aluminum plate

Construction detail 34

SABMag - SUMMER 2021

3 3. The approach to the main entrance.

The new glass envelope provides and innovative solution from an architectural, structural and mechanical point of view. It also dealt with logisti-

Mural by sculptor Jordi Bonet

cal constraints, including the requirement that the theatre maintain its daytime and evening operations during construction. Noise could not impact

Foyer

rehearsals or performances and construction activity could not hinder building access. In addition, as the mural was connected to the exterior concrete panels, vibration and other potential impacts on the envelope had to be avoided. An integrated design and delivery process was essential to the success of the project.

The solution creates a new and

Hall

independent

structure that transfers its loads directly to the existing foundation walls using structural brackets, greatly reducing the loads on the building itself.

The newly created air space between the exterior walls and the glass envelope eliminates the migration of exterior moisture through the concrete and, most importantly, halts its corrosive effects.

Design approach SABMag -SUMMER 2021

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The new air space required tempering to ensure a dry and temperature-controlled environment, without condensation or freezing. The minimum air temperature is set to 5°C. Great efforts were made to limit the energy consumption of this newly added space.

The inter-disciplinary team went through a series of tests and adjustments to ensure perfect adaptation to the building’s unique shape. This involved computer simulations and computational fluid dynamic (CFD) analysis, as well as energy simulations to balance the air temperature throughout the void.

4. The solution, a North American first, has arrested the physical deterioration of the building and preserved its heritage value.

5. The air space between the original exterior walls and the glass envelope eliminates the corrosive effects of exterior moisture migrating through the concrete.

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A mechanical system controls the conditions through

These simple mechanisms increase air flow in summer for cooling, while in

hidden sensors, glycol pipes, unit heaters and vents.

winter, solar gain contributes much to the heating of the space. Considering the

The required amount of air is introduced into the void

urgent need to arrest the physical deterioration of the building and preserve its

from the corner soffits and is extracted by natural con-

heritage value, this intervention provided a minimalist, sustainable and respectful

vection from modulated roof exhausts.

solution. Bold and innovative on several levels, this complex and delicate rescue operation is a North American first.

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Interior Design Award Provencher_Roy

BNP PARIBAS OFFICE INTERIOR Montreal, QC Jury Comment At a time when the nature of work is in flux, the

encouraging mobility and personal choice of working and

transformation of six floors of rigorously repeti-

relaxing environments throughout the day. Sit/stand desks,

tious 1970s office space into a dynamic, flexible and

lighting programmed to support natural circadian rhythms,

inspiring workplace provides cause for optimism.

and 20 living walls contribute further to psychological and

The open, collaborative spaces and non-specific

physiological wellbeing.

perimeter workstations flow through all levels,

1. The first project in Canada to be certified under Version 2 of the WELL Building Standard, the BNP Paribas office exemplifies current best practice in employee-centred office design in the refit of 140,000 sq.ft. of space over six floors of an existing 1970s office building.

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Benching - open working space Meeting room Training/ war room Flex room Informal working space - coffee table Informal working space - meeting Informal working space - tall tables Phone booth Cafeteria Reception Catering kitchen Boardroom Cfo team Cfo Ceo

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ARCHITECT Provencher_Roy OWNER/DEVELOPER GWL (Great West Life) GENERAL CONTRACTOR Avicor Construction ELECTRICAL ENGINEER Planifitech OTHER Make Space Work, Ameublement intérieur SENOIR DESIGN Haworth PHOTOS David Boyer

2. Open spaces are divided into zones for work, collaboration and rest.

3. The boardroom on level 9.

4.The aim was to achieve WELL Building certification and to create a dynamic work environment that would promote social interaction and collaboration as well as the health and comfort of occupants. Workstations are placed around the perimeter to benefit from maximum natural light.

The first project in Canada to be certified under Version 2 of the WELL Building Standard, the new headquarters for BNP Paribas , the French international banking group, exemplifies current best practice in employee-centred office design. To alleviate overcrowding and bring its 140 staff under one roof, the company chose to relocate and refit 140,000 sq.ft. of space spread over six floors of an existing 1970s office building.

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From the outset, the aim was to achieve WELL Building certification and to create a dynamic work environment that would promote social interaction and collaboration as well as the health and comfort of occupants. The challenge was to meet the client’s desire for a fluid, flexible, non-Cartesian layout of space within the physical constraints of the existing structure, which included working with the two feet by four feet ceiling grid.

This led to the development of a workplace where the main open spaces are divided into several zones alternating those intended for work, collaboration and rest. Work areas are not assigned; employees can settle wherever they want in the building, or even telecommute. The workstations are arranged at the perimeter, so employees benefit from maximum natural light. Common spaces are located at the core of the building and include glazed meeting rooms, changing rooms, and sanitary facilities.

To energize the occupied spaces, the strategy was to create what the design team refers to as “organized chaos” through the choice and arrangement of lighting and office furniture.

Artificial lighting integrates a variety of high-performance luminaires, adapted to the functions of the different areas with dynamism in mind. As required by WELL, the lighting is designed not to disrupt the occupants‘ circadian rhythms.

The office furniture system includes a spine that integrates all the wiring required. Workstations can be moved along this spine in either direction to modify the space and employees can alternate between sitting and standing positions. Low VOC materials minimize airborne pollutants and 20 living walls help purify the air while enhancing the human biophilic response.

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Commercial/Industrial (Small) Award DIALOG

DISTRICT ENERGY PLANT University of Victoria, Victoria, BC Jury Comment Rehabilitating and repurposing an existing parking lot on the

By engaging students through visibility and

university campus and simultaneously reducing overall campus

transparency, it creates a sense of connection

energy consumption by 10%, this project provides an important

and elevates concern for the critical infrastruc-

showcase for the University’s energy reduction strategy.

ture that supports all of our communities.

1. The new district energy plant consolidates operations into one location: a glazed box open on the north and east sides to allow people to look inside.

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Site plan

Recoverable heat is used to enable natural ventilation

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Floor plan indicating path of public tours 1 DE Campus system overview 2 Building input/output 3 Architectural feature: form, material

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4 Mechanical feature: pumps 5 Mechanical feature: boilers 6 Mechanical feature: economizer

7 Mechanical feature: stacks 8 Land feature: rain garden 9 Electrical feature: Ev charging

10 Fuel type, system and input 11 Building system overview 12 Digital display content 13 Control room operation

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PROJECT CREDITS OWNER/DEVELOPER University of Victoria ARCHITECT DIALOG GENERAL CONTRACTOR Farmer Construction LANDSCAPE ARCHITECT HAPA COLLABORATIVE CIVIL ENGINEER Westbrook Consulting Ltd. ELECTRICAL ENGINEER AES Engineering MECHANICAL ENGINEER FVB Energy Inc. STRUCTURAL ENGINEER RJC Engineering COMMISSIONING AGENT C E S Engineering PHOTOS Martin Tessler PROJECT PERFORMANCE Energy intensity (building and process energy) = 135KWhr/m2/year Energy intensity reduction relative to reference building under ASHRAE 90.1 2007 = 72% Water consumption from municipal sources = 40,970 litres/occupant/year Reduction in water consumption relative to reference building under LEED = 33% Recycled material content by value = 16% Construction waste diverted from landfill = 95.8% 2

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SABMag - SUMMER 2021

The new University of Victoria district energy plant (DEP)

The plant has a full output potential of 27.5 MW of thermal heat –

replaces and centralizes three outdated boilers and the sup-

enough for 2,000 single-family homes. The plant and network provide

porting infrastructure, which were scattered across campus.

10% energy savings annually, and greenhouse gas (GHG) reductions of

It provides increased capacity to the campus heating system,

6,500 tonnes/year.

and services 32 buildings. The DEP was built on an existing parking lot in the southwest corner of the campus, adjacent

The 710 m2 post-disaster building employs leading-edge sustainable

to a forest, publicly-accessible botanical gardens, and an inter-

design and passive energy strategies, including using residual heat from

faith chapel.

the boilers to heat the space and boost natural ventilation when cooling is required.

This site had been identified as the most appropriate location for a number of reasons during an earlier campus plan-

The extensive use of BC wood products promotes biophilia for both

ning exercise.

operations staff and visitors. Ultra-clean boilers are fitted with low nitrous oxide (NOx) burners to further reduce toxic particulate emissions

The use of the brownfield site minimized the impact on cam-

created during combustion. The ability to connect additional buildings

pus ecosystems and also provided adequate space for future

and switch to low-carbon fuels at a later date have effectively future

expansion should the university decide to increase the DEP’s

proofed the plant.

capacity. This location also makes it easy to connect to nearby buildings not initially part of the district energy loop. In addition,

Community education was a pivotal component of the project’s

it is directly linked to municipal streets, which allows service

design intent. Extensive glazing allows the public to easily view plant

vehicles to avoid circumnavigation of the campus ring road.

operations, while piping and equipment are colour-coded based on function; interpretive signage provides an overview of plant operations

Massing for the building was driven by a combination of

and digital dashboards offer real-time plant data. The proximity of the

required equipment height clearances (which in turn enhance

DEC to facilities used by the community also makes it possible for the

cross-ventilation and natural ventilation) and a desire to

university to showcase its infrastructure investments to the broader

increase visibility of the plant’s inner workings for the public.

public. The DEP was designed to meet LEED® Gold certification

2. The DEP was built on an existing parking lot in the southwest corner of the campus with adequate space for future expansion.

3. The 710 m2 post-disaster building uses residual heat from the boilers to heat the space and boost natural ventilation when cooling is required. Glulam columns, cross-laminated timber (CLT) panelling, and structural steel bracing ensure that the facility will survive a major seismic event, and last for at least 50 years.

4. The sloped roof directs rainwater into the bioswale on the south side of the building to help manage stormwater.

5. The rain garden, located on the west side, adds to the natural beauty of the site while also serving as an important resource conservation measure.

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Residential (Small) Award BSN Architects

PROTOTYPE LANEWAY HOUSING University of Toronto, ON Jury Comment The municipality, the University of Toronto and

residents to benefit from the transportation, commercial and

the design team are all to be commended for

cultural infrastructure already in place in this neighbourhood.

attempting this kind of gentle densification in

The resulting livable lane environment and the remarkable

a heritage district. The success of the project

achievement of Passive House performance in such a tight urban

enables faculty, staff and other potential

context, takes Toronto’s laneway housing to the next level.

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SABMag - SUMMER 2021

Helping Reach Passive House Standards with ThermaSill PH Insulated Threshold Solution

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www.legalett.ca/thermasill SABMag -SUMMER 2021

45

PROJECT PERFORMANCE Energy intensity (building and process energy) = 47.3KWhr/m2/year Energy intensity reduction relative to reference building under ASHRAE 90.1 = 54% Water consumption from municipal sources = 44,880 litres/occupant/year Reduction in water consumption relative to reference building under LEED = 51% Regional materials (800km radius) by value = 15.25% Construction waste diverted from landfill = 85%

PROJECT CREDITS ARCHITECT BSN Architects OWNER/DEVELOPER University of Toronto GENERAL CONTRACTOR Index Construction CIVIL ENGINEER MTE Consultants ELECTRICAL ENGINEER Runge Engineering STRUCTURAL AND MECHANICAL ENGINEER Local Impact Design PHOTOS Tom Arban Photography

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These prototypes are the vanguard of 40 laneway and infill homes proposed for the Huron Sussex Neighbourhood, a historic precinct adjacent to the University of Toronto’s downtown campus. The project advances urban intensification in a location well served by public transit and existing municipal infrastructure, while revitalizing and helping to sustain its immediate heritage context.

Mandated to deliver affordable, sustainable housing for family living and co-habitation, the project utilizes a prefabrication approach to reduce community impacts during construction and enhance performance outcomes.

The three prototypes include: 3 bedroom + 2 study (2,100 gross sq.ft.), 2 bedroom + study, (1,100 gross sq.ft.), and 1 bedroom + study, (900 gross sq.ft.). Sympathetic to scale, massing, and neighbourhood context, the prototypes provide ‘accessibility through proximity’ and are clustered to create a shared outdoor courtyard and to initiate a ‘Living Laneway’ concept with homes accessed from the lane.

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1. Of three different sizes, the Passive House prototype laneway houses provide ‘accessibility through proximity’ and are clustered around a shared outdoor courtyard.

2. Plentiful natural light gives bright interiors. An earth tube system preheats ventilation air in winter and pre-cools and removes humidity from it in summer.

B C2 A

A B C 1 C 2 C 3 C 4 D

C3 C1 D

Thermal treated ash siding Ventilated cavity space Zip wall weather resistive barrier EPS insulation Sheathing / VB 2x4 framing with field applied M.F. insulation Drywalll

Aerial view Guelph Solar installed LG 365 Watt solar panels.

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Perspective section

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3. Detail of Passive House certified window and thermally-treated ash cladding.

Supplied by CFP Woods, the ash cladding exhibits numerous grain patterns while displaying the natural beauty of its rich brown colour tones. Left to weather naturally, it will turn a beautiful patina grey.

4. Legalett provided three engineered GEO-Passive Slabs with ThermaSill PH thresholds, as well as sub grade preparation supervision for this challenging high density urban fill site with zero clearance lot lines.

5. Installing the earth tubes.

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Designed using Passive House (PH) principles and all-wood

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construction, the project optimizes prefabrication and on-site assembly methods and utilizes PH-certified wall panels (R-45) with factory- installed windows (R-7), structural insulated panels

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(R-54) for the roof, and a shallow super-insulated GEO-Passive slab foundation system (R-24) that minimizes site operations.

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Designed to achieve net-zero annual energy with no on-site emissions, the prototypes incorporate solar PV panels and

Ground floor

earthtubes for pre-conditioning fresh air thus enabling higher levels of ventilation for a healthier indoor environment. Securing community support was essential to the project’s success. The community and the University’s interests overlapped in key areas, which influenced design. These included:

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• Site optimization, which resulted in larger infill laneway homes suitable for family and co-habitation living. This was in

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contrast to the smaller laneway units currently advocated by the City of Toronto.

• High quality, environmentally sustainable and affordable housing, in which the implementation of Passive House con-

Second floor

cepts optimizes energy and lifecycle benefits, and an all-electric approach enables Net Zero outcomes, which enhance resilience for both individual households and the community at large.

• A community-based approach to design, applying micro-grid thinking, by which the prototypes share an integrated rooftop PV array, and an earth tube system which preheats ventilation air in

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winter and pre-cools and removes humidity from it in summer.

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This eliminates the need for mechanical cooling. This system was realized due to the demolition of a derelict house – its basement provided the opportunity to install the system prior to backfilling and redevelopment of the site as a playground for the neighbouring daycare.

Third floor Three-bedroom unit plans 1. Kitchen 4. Bathroom 2. Living Room 5. Bedroom 3. Dining 6. Study

• The use of prefabrication reduced the effects of noise, construction traffic and on-street parking typically associated with conventional site construction. Prefabrication also improved quality, reduced cost and construction time (by two months), and confirmed the replicability of these prototypes. It also contributed to tighter construction, improving air tightness and thermal performance.

• The pre-manufactured, frost-protected slab-on-grade foundation enabled a single concrete pour, rather than the more typical three (i.e. footings, frost wall and slab). This reduced the volume of concrete and associated excavation required. These first-generation prototypes have demonstrated that prefabricated high-performance, low-impact construction can be less complicated and delivered without a cost premium compared to conventional construction, making this type of living accessible to more people.

6. The prototypes are the vanguard of 40 laneway and infill homes proposed for the Huron Sussex Neighbourhood, a historic precinct adjacent to the University of Toronto’s downtown campus.

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SABMag - SUMMER 2021

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envelop yourself in daylight... photo by Alex Upton

Today’s LEDs may last up to 50,000 hours, but then again, Kalwall will be harvesting sunlight into museum-quality daylighting™ without using any energy for a lot longer than that. The fact that it also filters out most UV and IR wavelengths, while insulating more like a roof than a skylight, is just a nice bonus. ®

FACADES | SKYROOFS | SKYLIGHTS | CANOPIES 50

SABMag - SUMMER 2021

schedule a virtual consultation at KALWALL.COM

Mixed Use Award (Sponsored by Enbridge Gas Inc.) Invizij Architects Inc.

NORTH END LANDING + JAMES NORTH BAPTIST CHURCH Hamilton, ON Jury Comments: That this underused brownfield site has been transformed into

The orientation of the church kitchen and café

a valuable community asset including Passive House certified

to the street, and the uplifting character of the

social housing, a new church and a food bank, is admirable and

day-lit atrium, speak to the sensitivity of

(we believe) widely replicable.

program organization.

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Level 1

Floor plans Basement 1. Lobby 2. Classroom 3. Storage 4. Playroom 5. Band Practice 6. Youth Multi-Use

7. Youth Games 8. Mechanical Room 9. Electrical Room Level 1 1. Atrium 2. Vestibule 3. Gymnatorium 4. Foyer 5. Nursery

6. Chapel 7. Multi-Use 8. Servery 9. Storage 10. Office 11. Reception 12. Meeting Room 13. Printing Room 14. Stage

A shared vision of what makes a ‘home’ brought together

The contemporary church focuses on neighbourly hospitality and

the James North Church community and Indwell, a non-profit

sports ministries, and the new building also provides 45 affordable

housing provider, to redevelop an under-utilized urban site in

apartments for households, including seniors and low income families

Hamilton, ON. The project remediated and transformed a run-

facing displacement from an area undergoing rapid gentrification.

down commercial plaza and parking lot, replacing it with a fourstorey, mixed-use building, that includes space for the growing

The building is one of the largest mixed use projects in Canada

congregation with three storeys of affordable housing above.

designed to the Passive House standard. Its low energy requirements

The project has quickly become a neighbourhood landmark and

reduce utility costs for tenants, while the energy recovery ventilators

a social hub for the community.

improve indoor environmental quality through controlled supply and filtration of fresh air.

1. The project transformed a run-down commercial plaza and parking lot, replacing it with a four-storey, Passive House certified mixed-use building with three storeys of affordable housing above the first floor. Sobotec Ltd. supplied and installed complete rain screen wall assembly, including A/V membrane, thermally-broken sub-framing, insulation and aluminum composite panels for the project. The brick cladding was supplied by Thames Valley Brick & Tile.

2. An atrium cuts through the centre of the church facilities, its large Kalwall Skyroof® flooding the interior with natural light.

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Line of air barrier

Fiberglass angle around window

Aluminum composite panel soffit with continuous vent Through-wall flashing membrane

Window support steel girt connected to steel column Continuous sealant Adhere tape to window frame and over membrane

Prefinished metal flashing Continuous sealant

Fiberglass angle around window

Continuous sealant

Impact resistant concrete-faced insulation Wall section with window

PROJECT CREDITS ARCHITECT Invizij Architects Inc. OWNER/DEVELOPER Indwell GENERAL CONTRACTOR Schilthuis Construction LANDSCAPE ARCHITECT N.J. Sinclair CIVIL ENGINEER Walterfedy MECHANICAL AND ELECTRICAL ENGINEER CK Engineering Inc. STRUCTURAL ENGINEER Kalos Engineering Inc. PASSIVE HOUSE STANDARD CONSULTANT Peel Passive House PHOTOS Industryous Photography PROJECT PERFORMANCE Energy intensity (building and process energy) = 45.1kwhr/m2/year Energy intensity reduction relative to reference building under mnecb 2015 + sb10 = 73.5 % 2 SABMag -SUMMER 2021

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The building is designed to maximize openness and transparency, welcoming the community through its generous entrance, windows and skylights. An atrium cuts through the centre of the church facilities, its large skylights flooding the interior with natural light. The program includes a full-size gymnasium/auditorium, together with expansive multipurpose spaces that accommodate a variety of activities, events and gatherings for children, youth, and adults. North End Landing is one of the few fully accessible community buildings in the area. The integration of affordable housing into this diverse, community-focused program helps alleviate any associated stigma.

This integration of program is part of a broader intention to promote health, wellness, and belonging. The structure is steel and concrete, both materials locally produced in Hamilton, and natural wood finishes are used in the church and gathering areas. Together with the ample daylight, these create a biophilic environment promoting a sense of calm and positive emotions.

Food is central to human gatherings, and the church kitchen and hospitality area facilitate easy and regular gatherings of neighbours, which may spill directly out onto a patio forecourt. In addition to community gatherings, sports and physical activities are also central to the ministry model of the church, so the full-size gymnasium is designed to host a wide variety of sports and community activities. Indwell’s holistic approach to supportive housing helps ensure tenants can achieve their best potential to participate in the broader community, regardless of income, age or abilities.

4. The large windows and openness of the community and cafe space in the church communicate a sense of welcoming.

5. Interior view of the church auditorium and gymnasium.

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SABMag - SUMMER 2021

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SABMag - SUMMER 2021

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