GB & SS Magazine Summer 2013

Green BuildinG BUILDING Green & SuStainable StrategieS

& SuStainable Sustainable StrategieS Strategies Summer 2013

J. MAYER H. Architects Metropol Parasol

12

26

The Remington Centre

BILD Best Green Renovation

32

42

Leaside Village

Stonebridge by the Bay

SUSTAINABLE ARCHITECTUre

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Groundheat

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The REMINGTON CENTRE Canada’s largest commercial geothermal project

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42 Stonebridge by the bAy - Wasaga beach community billed

as ‘the total package’ still going strong after 12 years

From the Publisher - A benchmArk in north AmericA innovative sustainable home near St. Louis certified as industry’s first Active house

4

WorLd’S LArgeSt Wooden Structure - Spain’s metropol Parasol a magnet for tourists, with a honeycomb design featuring museum, farmers’ market, elevated plaza and panoramic terrace

46 Advertising FeAture - Future 4 buiLd - your gateway to the eastern european green building market

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Wood SoLutionS - innovations and opportunities for the 21st century

47 AheAd oF the curVe - Sloot construction’s custom home in guelph

receives first certification in canada in new energy Star

for new homes standard

12 the remington centre - canada’s Largest geothermal retail destination

44 AedAS - Abu dhabi investment council new headquarters

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20 the American institute of Architects Select the 2013 cote top ten green Projects

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GreenBuildinG GreenBuildinG & SuStainable StrategieS

From the Publisher’s Desk

& SuStainable StrategieS

Volume 2, Number 2 - Summer 2013 www.gbssmag.com PUBLISHER: Giulio Marinescu 416-250-0664 publisher@gbssmag.com 2109-256 Doris Ave. Toronto, ON M2N 6X8 MANAGING EDITOR: Greg McMillan editor@gbssmag.com

A benchmark in North America

GRAPHIC DESIGNER: Tony Lomuto Graphic Designs Unlimited LTONY@sympatico.ca

Photography: Kristin Zivic of Lusso at Home

Innovative sustainable home near St. Louis certified as industry’s first Active House

A

n innovative sustainable building project near St. Louis, Missouri, has been certified as the first Active House in North America.

Not to be confused with a Passive House designation, an Active House is one that incorporates a comprehensive, exceptionally-green design both inside and out.

Designed by Jeff Day Architect, and built

by Hibbs Homes & Verdatek Solutions, the Smith house in Webster Groves, Missouri, is an industry-innovating sustainable home that is the first in North America to be certified to the Active House Alliance standards.

The home is also certified for Energy STAR, ANSI ICC-700, Builder’s Challenge Home,

EPA Indoor Air Quality, and EPA Water Sense metrics.

A culmination of the leading green, sustainable, and environmentally-conscious building practices from around the world and in the U.S., Active House takes a unique and holistic approach to sustainable and environmentally conscious home construction and design.

Other homes have been built internationally under the Active House umbrella, utilizing Active House specifications, in countries such as Portugal, Austria, Norway, United Kingdom, Italy, Netherlands, and Russia.

The Active House standard was created by window manufacturer, Velux, to provide an alternative vision of sustainable housing – one that includes more windows than a typical Passive House.

Active House uses state of art energy-efficient materials, design techniques and building practices that rely on renewable resources from design to construction and through the life of the home.

Energy efficiency in the Smith home is made possible by solar orientation, solar energy collectors, airtight building envelope, HVAC and water heating design, use of daylight, and natural ventilation.

Passive House versus Active House Both Passive House and Active House models are sustainable and environmentally-friendly.

The difference is that Passive House focuses on conserving energy through a combination of air-tight building materials, superinsulation,

advanced window technology and designing the house to achieve maximum solar gain, resulting in ultra-low energy buildings that require little energy for space heating or cooling. Even the expected body heat of the building occupants is factored into the calculations. Instead of focusing on environmentally-friendly ways to produce energy, passive houses cut the need for energy consumption in the first place—by as much as 90 per cent compared with the average home.

Active House takes an innovative approach to energy efficiency, indoor air quality, and interaction with the surrounding environment.

While most of the green building standards concern materials and building processes, Active House standards are the first to account for those, while primarily focusing on what happens when the homeowners take up residence.

The immediate goal is to provide the homeowner with a cost-effective and easy to operate and maintain living space, that creates healthier and more comfortable lives for their occupants without impacting the climate.

In short, Passive House has a singular focus on energy efficiency, while the Active House expands the focus to quality of life issues, such as indoor air quality, fresh air, and natural sunlight.

Web: www.activehouseusa.com

Photo credits: Anna Prior Photography, Kazmedia Photo, Nikkol Roth for Holcim, Tricia Shay, Benjamin Benschneider, Tim Griffith, Ken McCown, John Linden, Cassey Dunn, Bruce Damonte, Kate Joyce Studios, Kristin Zivic, Werner Hofstatter, Perkins+Will, Kohn Partnership Architects, Scoler Lee & Associates Architects, Studio 505 Contributors: Greg McMillan • Adam Robertson Active House USA • Idea Workshop • Atenastudio Studio Nicoletti Associati • Aedas Submit articles, event, news to Giulio Marinescu publisher@gbssmag.com Canada Post Publication Mail Agreement number 42332013 Undeliverable mail return to: 2109-256 Doris Ave. Toronto, ON M2N 6X8 Printed in Canada by: CoFax Printing © 2013 Green Building & Sustainable Strategies.

No part of this magazine may be reproduced by any means, in any form, in whole or in part, without the prior written permission of the publisher.

The opinions expressed in this publication are those of the respective authors and not necessarily those of this publication.

Green Building & Sustainable Strategies does not specifically endorse the editorial, products or services presented in this magazine.

Subscription Rates Canada: 1 year $24, 2 years $40, single copy $6 United States: 1 year: $32 International: $36 Plus applicable taxes

Green Building & Sustainable Strategies

SUMMER 2013

SUMMER 2013

Green Building & Sustainable Strategies

By Greg McMillan

I World’s largest wooden structure Spain’s Metropol Parasol a magnet for tourists, with a honeycomb design featuring museum, farmers’ market, elevated plaza and panoramic terrace

Green Building & Sustainable Strategies

SUMMER 2013

ts claim to fame – recognition as the world’s largest wooden structure.

That headline-grabbing hook, however, only underscores the amazing design qualities of Metropol Parasol, the redevelopment of the Plaza de Encarnacion in Seville, Spain.

The project, completed over the course of seven years by Jurgen Mayer H. Architects, reasserts the central arcade as a community meeting place and market. And it’s quickly becoming a magnet for tourists and locals alike.

Offering an architectural museum, a farmers’ market, an elevated plaza, multiple bars and restaurants, as well as a panorama terrace overlooking the entire space and neighbourhood, the project reaffirms Seville’s spot as one of the world’s most fascinating cultural destinations.Accented by a series of undulating parasols, Metropol’s interlocking honeycomb of wooden panels rise from concrete bases, which are positioned to form canopies and walkways below the parasols.

The German architect’s goal with Metropol Parasol’s neutral tone was to help harmonize the stark contrast of ultra-modern structure with the medieval surroundings of Seville.

Stairways and storefronts sit below the wooden parasols of the innovative structure, which is made from bonded timber with a polyurethane coating.

Originally, the site was slated to become a parking garage, but after excavations revealed archeological findings, the city of Seville decided to make the site a museum and community centre.

The building, popularly known as Las Setas de la Encarnación (Incarnación’s mushrooms), was completed in April 2011 and has dimensions of 150 by 70 metres (490 by 230 feet), with an approximate height of 26 metres (85 feet).

The structure consists of six parasols in the form of giant mushrooms, whose design is inspired by the vaults of the Cathedral of Seville and the Cathedral of Seville and the ficus trees in nearby Plaza de Cristo de Burgos.

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Green Building & Sustainable Strategies

Metropol Parasol is organized over four levels. The underground level (Level 0) houses the Antiquarium, where Roman and Moorish remains discovered on-site are displayed in a museum. Level 1 (street level) is the central market. The roof of Level 1 is the surface of the open-air public plaza, shaded by the wooden parasols above and designed for public events. Levels 2 and 3 are the two stages of the panoramic terraces (including a restaurant), offering one of the best views of the city centre.

A little history: since the 19th century, a market was located in the plaza, housed in a market building.

The building was partially torn down in 1948, according to plans for urban renewal. The market itself remained, however, until 1973, when the rest of the dilapidated building was finally torn down. The land remained dormant until 1990, when the city decided to construct underground parking with space for a market on top.

In the the midst of construction, however, ruins dating to Roman and Andalusian eras were discovered, and construction was frozen after an expenditure of 14 million euros. In 2004 the city decided to attempt to develop the area again, and opened an international competition to solicit bids.

Mayer, 45, who spoke at the Interior Design Show in Toronto in January 2013, has said that the forms of his buildings were inspired by the vaults of Seville’s expansive cathedral and that he wanted to create a “cathedral without walls.”

To that end, the building differs from others of its kind, in that it is not a closed institution, locked at night, but a place that can be used at all times.

A reviewer noted that it catches and holds views from side streets, and from inside the new structure looking out.

“The Metropol Parasol offers much more than a vision of architectural beauty, it’s a breathtakingly modern interpretation of an urban centre, a place to be inspired but also to do the everyday things you do in city life.”

Web: jmayerh.de Founded in 1996, J. MAYER H. Architects focuses on works at the intersection of architecture, communication and new technology. Founder and principal Jürgen Mayer H. has received both national and international awards, including the Mies-van-der-Rohe Award for emerging architects in 2003, the Holcim Award Bronze in 2005, and the Audi Urban Future Award in 2010.

Jurgen Mayer-Herman

Photos: Nikkol Roth for Holcim

Green Building & Sustainable Strategies

SUMMER 2013

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Green Building & Sustainable Strategies

The potential for wood in taller buildings does not stop at six-storeys. Several Canadian manufacturers are now producing massive timber engineered wood products such as cross laminated timber (CLT), laminated veneer lumber (LVL), and laminated strand lumber (LSL). With these products, it is now possible to design and construct even higher wood buildings. The worldâ&#x20AC;&#x2122;s tallest residential wood building was recently completed in Melbourne, Australia, reaching a height of ten-storeys. There are other examples of seven-, eight-, and nine-storey wood structures in the U.K., Scandinavia, and Central Europe. Here in Canada, there are many examples of innovative, high-performance wood building designs and construction; including the Centre for Interactive Research on Sustainability and the Earth Sciences Building, both at the University of British Columbia, Vancouver, as well as the Fondaction building in QuĂŠbec City.

While the increased structural performance capabilities of wood products may be new to many designers, the environmental performance of wood is well recognized and appreciated by many.

From an environmental perspective, wood products and building systems have several advantages, including operational energy savings, low embodied environmental impacts, and carbon storage. Compared to other structural materials, wood has exceptional thermal performance, due to its much higher heat resistance value.

Wood Solutions

THE POWER OF PROTECTION.

Innovations and Opportunities for the 21st Century

W

By Adam Robertson, M.A.Sc., EIT

hen Gustave Eiffel, proposed building a skeletal steel structure for the Paris World Fair, he was ridiculed by professional engineers and most of high society in France.

The tower was built for the 1889 Fair and instead of being torn down as initially suggested, became the most recognized and enduring cultural icon of France.

The 320 metre tall tower was the tallest structure in the world for more than 40 years and changed the worldâ&#x20AC;&#x2122;s perception toward tall buildings.

If the first dozen years are any indication, wood is poised to undergo its renaissance in the 21st century.

Increasingly, wood is being specified as the material of choice as advancements in wood science, design skills, and connection technology merge with the environmental aspirations of designers, governments, and occupants. Wood is no longer limited to houses and low-rise structures.

Major regulatory changes have occurred in North American and around the world to reflect the surge in

Green Building & Sustainable Strategies

Far left CIRS Exterior, above CIRS Atrium - Perkins+Will

ÂŽ

ÂŽ awareness of the performance capabilities of wood.

Over the past two decades, wood building technologies and design methods have advanced significantly in the areas of structural, fire safety, and energy performance.

In 2009, mid-rise (up to six-storeys) wood-frame construction was approved in the British Columbia Building Code, with the Province of Quebec making similar amendments in April 2013.

In response to drivers such as cost savings and environmental benefits, building industry stakeholders are moving toward National Building Code (NBC) changes that would allow the construction of taller wood-frame buildings across Canada. The Joint Task Group on Combustible Construction has proposed to implement new mid-rise provisions for the 2015 National Building Code of Canada. This proposal includes the increase in allowable height from four- to six-storeys for both residential and business occupancies, along with increased levels of fire protection, such as sprinklers throughout the building.

SUMMER 2013

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SUMMER 2013

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Green Building & Sustainable Strategies

Wood insulates 10 times better than concrete and 400 times better than steel. The natural structure of the wood fibre, virtually identical to a drinking straw, allows wood building products to trap air within the cells, enhancing its thermal capabilities and helping save the use of operational energy over the course of the buildingâ&#x20AC;&#x2122;s lifetime.

A number of life cycle assessment (LCA) studies from around the world have demonstrated that bio-based building products and systems are less environmentally impactful throughout their life cycle (raw materials acquisition, manufacturing, transportation, use, and end-of-life) when compared to other building materials. In addition, substituting wood in place of other more fossil fuel-intensive materials reduces overall GHG emissions that would have otherwise been emitted during the production of these non bio-based materials.

Wood building products, such as lumber, panels, and decking, continue to store the carbon which was initially absorbed as CO2 by the trees during their growing cycle. While a new tree is growing, this carbon is locked-up and kept out of the atmosphere, enabling wood products to act as carbon sinks over the course of their service life.

Regulatory changes New codes affecting building height are not 10 Green Building & Sustainable Strategies

The worldâ&#x20AC;&#x2122;s tallest residential wood building in Melbourne, Australia

When Wood repLaces steeL and concrete

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UBS Earth Sciences, ESB Staircase - Photo Credit: WoodWORKS, Werner Hofstatter the only changes. Energy performance levels are increasingly becoming enshrined as well.

This too provides greater opportunities for effective use of wood. Thicker walls can provide greater cavity space for insulation. New pre-fabrication methods increase structural accuracy

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and can significantly improve air tightness, thereby reducing both heat loss and moisture issues. Wood fibre insulation, thick walls and breathable panels are now common in Passive buildings in Europe and are making inroads in the North American market.

SUMMER 2013

X-Lam

Materials Matter LCA is now a well-developed science and has been incorporated in building design and rating tools around the world. While operational impacts of structures still dominate the design considerations, the embodied impacts of materials will become more significant as operational efficiencies increase.

As the importance of embodied impacts become more apparent, LCA is the foundation for development of Environmental Product Declarations or EPDs - a standardized method of quantifying the environmental impacts of a building material, manufactured product or system. Typically, the EPD for a product will include information covering extraction, manufacturing processes, energy and water use, toxicity, emissions to air, soil, water and solid waste. An EPD can be used by design teams to evaluate the potential environmental impacts of alternative building material choices.

In some European counties, EPDs are now legal requirements for products - and North America is not far behind.

Some of the first North American EPDs developed for use by the building sector were for wood. The Western Red Cedar Lumber Association commissioned EPDs for some of their products. Several other wood product EPDs are scheduled to be released by the end of 2013.

Designers will then be able to evaluate which materials have the lowest impact and are thus best suited for a particular function.

Why Wood?

As design teams, builders, and occupants strive to reduce the environmental footprint of their buildings, wood can play a critical role â&#x20AC;&#x201C; from the sustainably managed forests of Canada to the diversity of new structural products and systems â&#x20AC;&#x201C; designers will be able to achieve buildings and performance levels they wouldnâ&#x20AC;&#x2122;t have thought possible 40 years ago.

In the 19th century, Gustave Eiffel was no doubt asked â&#x20AC;&#x2DC;Why steel?â&#x20AC;&#x2122;, but he persevered and revealed to the world a new way to build.

In the 21st century, some might well ask the question â&#x20AC;&#x2DC;Why wood?â&#x20AC;&#x2122; No other material has as many sustainable attributes as wood. Think about it â&#x20AC;&#x201C; wood is renewable, recyclable, reusable, organic, biodegradable, strong, lightweight, ductile, diverse, easy-to-use and inexpensive. It stores carbon, produces oxygen, cleans the air we breathe and the water we drink, provides habitat and recreation opportunities in the forest and is the only major structural material grown by the sun.

The challenge we face is to understand how this material works, how to integrate into our designs and to strive to even greater heights than we thought possible with wood.

So maybe the real question for the 21st century isnâ&#x20AC;&#x2122;t â&#x20AC;&#x2DC;Why wood?â&#x20AC;&#x2122;; perhaps it is â&#x20AC;&#x2DC;If not wood, what?â&#x20AC;&#x2122;

Learn about the advantages of wood 222 *+-!& "2, +)

SUMMER 2013

Green Building & Sustainable Strategies

11

The Remington Centre

Canada’s Largest Geothermal Retail Destination

R

ecent years have seen many major shopping centres in the GTA undergo significant revitalization initiatives, but few developers have decided to completely rebuild. Building from the ground up affords the developer the opportunity to utilize the latest technologies and environmental practices and implement green standards at each step of development.

It is from this foundation that The Remington Group embarked on developing Canada’s newest retail destination.

When The Remington Group decided to build one of the most innovative, Asianinspired shopping centres in Canada, The Remington Centre, they started with that commitment to sustainability. They turned to Kohn Partnership Architects to plan and design the 800,000 square foot shopping destination.

2800 Langstaff Road Building “B”, Concord, Ontario L4K 4Y5 Phone: 905-669-0422 Fax: 905-669-0428 Email: info@matera.ca Website: www.matera.ca 12

Green Building & Sustainable Strategies

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Green Building & Sustainable Strategies

13

Sean Lawrence, a partner at Kohn Partnership Architects, started from a foundation of passive design. Combining fundamental building principles such as the orientation of the shopping centre combined with selecting materials to deliver comfort and usability while minimizing carbon load, his goal is to design the greenest shopping centre in the country.

The innovative, state-of-the art design of The Remington Centre is situated to take advantage of the site’s surroundings to utilize the maximum amount of natural light, including bright retail suites and light-filled hallways. To encourage enjoyment of the outdoor space, The Remington Centre features a 6-acre tree-lined public plaza complete with a spectacular water fountain that converts into an ice rink during the winter months. Ensuring that sustainability is a consideration in all building elements, even the rink helps improve the efficiency of the building.

By recovering the thermal energy made during the refrigeration process, the rink is a prime candidate for waste heat recovery and will be used for snow melting at the entrance of the centre as well as heating the building.

When it came to determining the most efficient energy model for the centre, Lawrence turned to engineers MCW Consultants Ltd. In order to help evaluate and quantify the energy efficiency of various design options,

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MCW developed a 3D hour-by-hour dynamic full building simulation. Weighing energy consumption, costs, environmental impact, and then running a financial payback model, they determined a hybrid approach – including a geoexhange system with high-efficiency peaking boilers and fluid coolers - was the best solution for The Remington Centre.

A closed loop geoexhange system will meet the centre’s heating and cooling requirements for makeup air and for all the retail suites. The geoexhange system, which will be implemented

by Groundheat Systems International Inc., includes a field of 284 boreholes on a grid of 15-20 feet. Each hole is 500 feet deep and the entire system utilizes over 80 km of underground tubing. The geoechange system is combined with an In-slab hydronic radiant heating system with high-efficiency condensing boilers for all common areas. The Remington Centre will be one of the largest commercial geothermal projects in North America.

“While the equipment being used will ensure The Remington Centre maximizes its efficiency and minimizes its footprint, it is all tried and true,” says Brian Tysoe, Associate and National Manager of Energy Modelling Services from MCW. “This is all commercial equipment from major manufacturers. We are truly maximizing the available technology.”

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The centre will also employ an energy recovery ventilation (ERV) system. An ERV system supplies continuous fresh air from outside

to the Centre. The heat recovery core of the unit transfers a portion of heat in the stale exhaust air to the incoming fresh air from outside before

being distributed throughout the centre.

“The impact of implementing these systems is significant,” said Lawrence. “Net energy reduc-

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Green Building & Sustainable Strategies

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tions include a 40% reduction in consumption and 25% reduction in cost.” “ The geothermal design removes 2,500 tons of CO2 from the environment annually – which is equivalent to removing 500 cars from the road and saving 900 hectares of rainforest per year.”

To further reduce the need for air conditioning, energy consumption, and emissions of greenhouse gases and urban air pollutants, The Remington Centre has a white roof. White roofs reflect up to 90 percent of sunlight compared to the 20% reflected by dark roofs. The centre’s white roof does not absorb heat and contributes greatly to its energy efficiency. Additionally, the roof extends slightly outward. These subtle roof extension help shade direct sunlight while still encouraging natural light, thus reducing the extra load on air conditioning.

The retail centre marks the first phase of development. As part of the second phase two condominium towers will be built above a six-storey podium, which will incorporate a green roof. Green roofs have numerous social and environmental benefits and can contribute positively to issues surrounding climate change, flooding, biodiversity and declining green space in urban areas. Having condominiums as part of the development will also encourage the development of a community in the area – a place where residents can shop, dine, live and play.

To accommodate visitors who will travel to the centre, transportation and congestion issues are also a key consideration in creating a sustainable development. In order to minimize the parking layout and to create a welcoming forecourt with useable outdoor space, a multiSUMMER 2013

level parking complex is situated at the back of the mall. A new underground access off Steeles Avenue to parking bays will improve traffic flow and provide easy access for visitors.

Additionally, public transit is easily accessible, and includes a skywalk directly to GO Transit as well as onsite TTC, York Region Transit Terminals and VIVA transit.

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With a focus on developing a sustainable community, The Remington Centreâ&#x20AC;&#x2122;s design incorporates safety and security concerns.

Essential to security in shopping centres is the integration of indoor and outdoor space, as well as the promotion of other activities such as dining and entertainment â&#x20AC;&#x201C; all of which provide opportunities for natural surveillance through activity support. The Remington Centre will incorporate these considerations, including passive design and lighting considerations, which will help ensure there are no unsafe spaces within the centre. â&#x20AC;&#x153;Another design consideration is safety for birdsâ&#x20AC;?, says Lawrence. It is estimated that 1 to 10 birds die per building, per year, particularly during the migration periods. The Remington Centreâ&#x20AC;&#x2122;s site lighting and window glazing have been designed to ensure better conditions for birds by minimizing these collisions.

vzĂ&#x2026; HJED7Ă&#x2026; EKHJ ED9EH:Â&#x2026;Ă&#x2026; Ă&#x2026; u Ă&#x2026;t s ;BÂ&#x201A;Ă&#x2026;z{v wwz tyxxĂ&#x2026;Ă&#x2020;Ă&#x2026; 7NÂ&#x201A;Ă&#x2026;z{v xw{ stzv EBBĂ&#x2026; H;;Â&#x201A;Ă&#x2026;rĂ&#x201E;ywwĂ&#x201E; H 7H8B; MMM CHC7H8B; 9EC 18

Green Building & Sustainable Strategies

13 KENVIEW BLVD. UNIT 25A BRAMPTON, ON L6T 5K9 Tel: (905) 799-0400 Fax: (905) 799-0424

The Remington Centre construction begins in May 2014 with the initial phase, which includes all elements of the 800,000 square foot retail centre. For more information, visit remingtoncentre.ca. For more information the architect and engineer, please visit kohnarchitects.com and mcw.com.

Email: enj.excavating@hotmail.com SUMMER 2013

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Masonry Works Inc.

270 Toryork Drive, Toronto ON, M9L 1Y1 Tel: 416.231.7291 â&#x20AC;˘ Fax: 416.231.6504 Email: info@villagemasonry.com Green Building & Sustainable Strategies

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#10 Charles David Keeling Apartments; La Jolla, California KieranTimberlake The design response was to tune the design to capitalize on the favorable environmental features, while moderating or eliminating the undesirable ones. This led to a building envelope that uses thermal mass to buffer temperature changes, minimizes solar gain, and naturally ventilates. Water scarcity is managed through a comprehensive strategy of conservation and reuse, including on-site wastewater recycling. A vegetated roof, an unusual feature in this dry climate, absorbs and evaporates rain that falls on that portion of the building, with overflow directed to the courtyard retention basins.

The American Institute of Architects Select the 2013 COTE Top Ten Green Projects Projects showcase excellence in sustainable design principles and reduced energy consumption

Clock Shadow Building; Milwaukee Continuum Architects + Planners This project cleans up a brown-field site that was difficult to develop. The continental climate provides large swings in temperature and humidity which necessitated passive strategies such as: southern facing windows with sun screens that maximize insolation of the sun during cooler months and operable windows that let cool fresh air into the building, allowing the users to effectively “turn off” the heating and cooling systems during swing months. To gain the most efficiency from the HVAC systems, the project utilizes a geothermal system, drilled directly below the building, which stabilizes the temperature of the conditioned water used to heat and cool the spaces.

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#8

he American Institute of Architects (AIA) and its Committee on the Environment (COTE) have selected the top ten examples of sustainable architecture and green design solutions that protect and enhance the environment. The projects will be honored at the AIA 2013 National Convention and Design Exposition in Denver.

The COTE Top Ten Green Projects program, now in its 17th year, is the profession’s best known recognition program for sustainable design excellence. The program celebrates projects that are the result of a thoroughly integrated approach to architecture, natural systems and technology. They make a positive contribution to their communities, improve comfort for building occupants and reduce environmental impacts through strategies such as reuse of existing structures, connection to transit systems, low-impact and regenerative site development, energy and water conservation, use of sustainable or renewable construction materials, and design that improves indoor air quality.

Federal Center South Building 1202; Seattle ZGF Architects LLP Current energy models predict the building to operate at a “net zero capable” Energy Use Intensity (EUI) of 20.3 kBtu/ SF/year, performing 40 percent better than ASHRAE 2007. The building will earn an ENERGY STAR Score of 100 and comply with 2030 Challenge goals. The project is one of the first in the region to use structural piles for geothermal heating and cooling, as well as a phase change thermal storage tank. Two new products, chilled sails and open office lighting, were developed and manufactured specifically for this project to help achieve aggressive energy targets. To optimize the use of the available reclaimed timbers, the team designed, tested, and constructed the first wood composite beam system in the U.S.

You can learn more about these projects by visiting www.aia.org.

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#9

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#4

#7

Marin Country Day School Learning Resource Center and Courtyard; Corte Madera, California EHDD Around 95 percent of spaces are daylit and naturally ventilated. Night time operation of the cooling tower and an underground water tank provide active thermal storage, for daytime cooling. The design of the building envelope includes air tightness detailing and the use of fire treated wood stud framing to minimize thermal bridging.

To provide an excellent thermal envelope, walls were constructed with 2x8 and 2x10 wood studs (rather than conventional steel studs) to minimize thermal bridging and provide ample insulation. This building is designed to achieve an EUI of 6.74 kbtu/sf/yr including the energy generated by the PV array, and to use less than half as much energy as California’s strict energy code.

Pearl Brewery/Full Goods Warehouse; San Antonio Lake Flato Architects This 67,000 square foot LEED Gold warehouse includes passive solutions including open breezeways, which were carefully oriented to prevailing summer breezes and supplemented with large ceiling fans. Large light monitors oriented to the north provide natural daylight to the breezeways, while the south wall of the cupola is open to allow hot air to escape as it rises.

100% of the rainwater captured from roofs coupled with recycled water, is used to irrigate the landscaping on site, eliminating the need for potable irrigation water.

Highly efficient ductless minisplit systems were installed to condition indoor spaces. These systems can serve multiple zones using only one outdoor unit, and allows individual control of the air conditioning in each room.

#6

#3

San Francisco Public Utilities Commission Headquarters (SFPUC); San Francisco Joint Venture: KMD Architects w/ Stevens & Associates The building is designed to achieve LEED Platinum certification and will exceed California’s recently-instituted Title 24 requirements for energy efficiency in new office buildings by 55% according to SFPUC estimates. The building will produce up to 7% of its own power needs from renewable photovoltaic and wind sources; will provide $118 million in energy cost savings over 75 years; and will require 45% less energy to illuminate the interior through daylight-harvesting and advanced lighting design, compared to typical Class A office buildings. The SFPUC consumes 60% less water than similarly sized buildings and is one of the first buildings in the nation with on-site treatment of gray and black water.

Merritt Crossing Senior Apts.; Oakland, California Leddy Maytum Stacy Architects The roof area has a cool roof surface and is devoted to both a solar water panels and photovoltaic panels. Ground floor spaces benefit from the full height storefront system that similarly provides ample daylight and transparency to the outdoors. These windows are also thermally broken and have high performance glass. The windows are shaded in summer by either exterior sunshades or an overhang from the second floor.

With no mechanical air conditioning, cooling is achieved by a low volume ventilation system augmented by ceiling fans in each habitable room. The site has a 94 walkability rating, an 82 transit rating and an 86 bike friendly rating from walkscore.com.

A New Norris House; Norris, Tennessee College of Architecture & Design, UT Knoxville At 1008 square foot, this production house is less than half the size of the median house. “Rightsizing” reduced material and operational loads and costs, and shifted funds to quality design and construction, passive strategies and high-efficiency systems. The dormer and skylight are placed so daylight is reflected and diffused. No-VOC paint color is warm white with a punch of red-orange hidden within the swing space to produce a warm glow from reflected light. Low-E glass and translucent blinds provide further control over heat, glare and privacy. All interior rooms are daylit throughout the day. Electric lighting is integrated with cabinetry and includes low-energy LEDs.

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#5

#2

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Swenson Civil Engineering Building; Duluth, Minnesota Design Architect: Ross Barney Architects Architect of Record: SJA Architects As an educational facility whose curriculum directly impacts the natural environment, the building overtly exposes sustainable systems and materials. 73% of the site is devoted to pervious materials and landscaping, reducing site detention requirements.

An extensive green roof with native plants covers 22% of the roof, reducing storm water rates and filtering impurities. Storm water is directed from the roof to three scuppers and into above ground cylinders filled with rocks for filtering. Storm water eventually makes its way to a French drain system of underground water storage pipes for retention. The site lighting is minimal, and all fixtures are equipped with full cut-off optics.

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#1 Brooks + Scarpa

Yin-Yang House Yin Yang House; Venice, California Brooks + Scarpa www.pugh-scarpa.com Location of Project: Venice, CA Total Square Footage: 4200 sq. ft.

Total Cost: $1.7 mil

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his nearly net-zero energy single-family home in a quiet Venice, CA neighborhood of single and multi-family residences was designed to create a space for a large and growing family with several children, which would create a calm, relaxed and organized environment that emphasizes public space and changes the stereotype of a home for a large family with young kids.

The home is also meant to serve as a place to entertain and a welcoming space for teenagers as they seek social space with friends. It was designed to incorporate sustainable design as a way of teaching a green lifestyle. The home is designed to passively reduce energy demand by more than 50%. This sound passive design strategy combined with a very tight perimeter building envelope and other active sustainable features such as the 12kw solar system make this home a zero energy consumption home. It has produced 100% of it’s energy needs and since completion, has never received an electric bill.

A commitment to minimizing the project’s ecological footprint informed all aspects of the home’s design. The project goals of the Yin-Yang house focused on what was can be described as the “six zeros”: zero waste, zero energy, zero water, zero carbon, zero emissions, and zero ignorance.

Design & Innovation The building distinguishes itself from most conventionally developed projects in that it incorporates passive and active energy efficient measures and optimize building performance that ensure reduced energy use during all phases of construction and occupancy.

Passive design strategies include: locating and orienting the building to control solar cooling loads; shaping and orienting the building for exposure to prevailing winds; shaping the building to induce buoyancy for natural ventilation; designing windows to maximize day lighting; shading south and west-facing glazing; designing windows to maximize natural ventilation; utilizing low flow fixtures and storm water management; shaping and planning the interior to enhance daylight and natural air flow distribution. Sun studies and a preliminary energy analysis informed the location of decks and overhangs.

Light & Air One of the team’s primary objectives was to enhance the quality of living for each resident by surpassing standards found in conventional projects. All rooms have minimum 11-foot-high ceilings and large windows with lots of natural light with abundant cross-ventilation. Indoor air quality was emphasized by minimizing offgassing. Formaldehyde-free FSC certified cabinetry, low-VOC paints, natural stone, and fluorescent lighting with low mercury content were used to minimize pollution from materials.

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Water Cycle 95% of the storm water is captured on site. Most of the water is captured by the green roof, moved to a pair of below grade to a subsurface infiltration system and is returned to the groundwater after being cleaned of pollutants.

To further reduce the building’s impact on the water cycle, 100% of the water using fixtures are low flow, the toilets are dual flush, and the plants are native/ drought tolerant with drip irrigation. Appliances are energy star or better and were chosen for both energy-efficiencies and water conservation. Clothes washers use less water than traditional models.

Energy Flows & Energy Futures The building is sited for climate-responsive, passive solar design enhancing passive survivability. A combination of cool roof covered in solar panels, green roof, and blown-in cellulose insulation complete an efficient building shell meets the 90% EUI target of the 2030 Challenge. The building envelope consists of blown in cellulose R-21 insulation in the walls and R 30 in the roof, along with double-glazed low-E windows. Shading is provided for the building and courtyard space through the large overhangs. These features significantly reduce (and nearly eliminate) the reliance on fossil fuels. All rooms are designed with windows on opposite walls to induce natural cross-ventilation and abundant natural light.

In addition to the passive design, the building has no mechanical cooling system. As a result, heating and cooling loads are reduced by over 75%. Energy star appliances, top of the line solar water heaters and energy efficient lighting are also significant sources of savings. Other than the use of natural gas, 100% of the buildings energy is generated on site with the 12kw photovoltaic solar system.

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Material & Construction Recycled and locally procured materials were preferred and used throughout. Interior finishes were selected for their high levels of recycled content, low chemical emissions, and use of rapidly renewable materials. Materials were also selected based on their effects on indoor air quality, long-term maintenance and durability. All wood products, cabinets and flooring were made from 100% FSC certified products. No VOC paints, sealants and adhesives are used throughout the building and natural stucco pigments were used. Interior finishes are exposed aggregate concrete containing more than 30% flyash, FSC certified bamboo, 100% recycled eco-tile and exterior decking. The structural steel frame, countertops, exterior siding and finishes all included high content recycled material. All of these items reinforce the environmental DNA of the house.

The home also includes 100% recycled blown-in cellulose insulation, radiant solar hydronic heating in a thermally broken dual concrete slab with 1” rigid insulation between the slabs.

Material (such as FSC certified bamboo) with natural finishes throughout the thickness of the material were specified so that when the material suffers from SUMMER 2013

abuse, it shows less wear and therefore lasts longer and looks better longer.

The building has facilities to sort, collect, and recycle paper, plastic and metal products. Because of the very low power demand of the building, thousands of feet of wire were saved.

Over 80% of all construction waste was recycled. Waste haulers picked up co-mingled waste and provided a report detailing the amount of waste that went to the landfill vs. the amount of waste that was recycled.

Cost and Payback The team performed a cost benefit analysis for the building’s sustainable features. This includes the additional initial costs for passive cooling including the green roofs, high efficiency operable windows, exterior overhangs; water use reduction; and improved indoor air quality strategies such as natural light and ventilation and low-emitting materials and finishes. These features are estimated to be 3.5% of the project costs.

These strategies result in significant financial benefits projected to have an annual savings of more than $4,400.00, which translates to a payback period of less than 15 years, using current utility costs not factoring in rising utility rates.

HERS Performance Rating 50.

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Photos: Anna Prior Photography

Attention to [green] detail SevernWoods Construction works with eco-minded couple for award-winning renovation of 1950s home

By Greg McMillan

C

ompleting a successful green renovation of an older home is easier than most people think.

Look no further than the finished product at 66 Elmwood Avenue in North York – a 1950s home transformed into an awardwinning example of teamwork between the homeowners, the architect, the builder and individual sub-contractors.

“We think that it is important for anybody doing a renovation [large or small] to understand it is really easy to incorporate basic energy-saving things into their home design,” says Linda Chan who, along with fellow engineer David Wai, are the home’s owners. “One doesn’t have to do all the different things we did but basic things like significantly higher amounts

of insulation and better quality windows do not cost much more incrementally and end up saving you a lot of money.”

In this case, the homeowners went for a sustainable home run; and the results are impressive, as builder SevernWoods Construction Inc. was recently honoured by the Building Industry and Land Development Association (BILD) as the winner – for its work on the North York reno project – in the newly-added best green renovation category.

Tom Cumming, president/owner of SevernWoods Construction, says the owners at 66 Elmwood were very knowledgeable and, along with their architect Monica Kuhn, of Monica E. Kuhn, Architect Inc., were instrumental in leading the green and sustainable aspects of the project.

“While our company incorporates as many

green and sustainable features, as feasible, into all our projects, not all clients put the environment ahead of comfort and lifestyle, but our working relationship with Linda and David was very good from start to finish,” he says.

Some of the renovation details included: • Existing foundations were underpinned and strengthened, the second floor and roof were rebuilt, and a new garage addition replaced the original; • Open-concept basement and main floor; • Raw steel and glass staircase; • In-floor radiant heating on all three floors; • Bamboo panelling and painted accent walls; • A large covered deck was added from the ground floor, and a walk-out terrace from the basement, allowing for better use of existing swimming pool and large yard.

There is a long list of green features in the home, however a few highlights stand out: • Rooftop PVT solar panels produce electricity under the Ontario government’s MicroFIT program and thermal hot water for pool heating; • Concrete cistern collects rainwater from the roof; • A layered combination of spray-foam polyurethane and mineral wool for R35 insulation values in the roof and walls; • No air conditioning – house is kept cool and comfortable in the summer with ceiling fans and large operating windows; • Choice of materials, including bamboo hardwood floors, fiberglass triple-glazed windows providing passive solar heating in winter, dual flush toilets, LED lighting in kitchen, low and no VOC paints and finishes; • In-floor radiant heat, efficient air handler with attached HRV circulates air throughout the house; • And heated basement floor.

Using products by Demilec Inc., which provides environmentally-friendly, high-performance polyurethane insulation systems to residential and commercial developers across five continents, SevernWoods was able to enhance the insulation value of the house, as well.

Ms. Chan stressed that anyone undergoing a detailed green reno should be prepared for

“back-and-forth” with all parties from start to finish.

“For example, we worked with the mechanical designer – Dara Bowser of Bowser Technical Inc. – off and on throughout the process,” she says. “From asking him to model different levels of insulation, wall designs and window types to methods of heating/cooling to limit overall energy use.

owser

“Also, based on one of his suggestions, we pushed for a large rainwater cistern for toilet and garden use and drain water heat recovery.”

Ms. Kuhn said she spent a lot of time looking for a more contemporary design for the home – it had already been renovated once by a previous owner – trying to maximize the clients’ spatial requirements while keeping the project within their budget.

echnical Inc.

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Bowser Technical is independent & is not associated with product sales or representation.

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STUDIO NICOLETTI ASSOCIATI

The Fleet of Putrajaya Putrajaya residential waterfront development Kuala Lumpur, Malaysia

For others considering a whole-scale green renovation, Ms. Chan says it’s important to take the time to find the right contractors. “Whether

it is the right architect, general contractor, engineer, or HVAC designer, you really need to feel comfortable with the capability and working

style of those individuals involved,” she adds.

Web: www.severnwoods.com / www.mekarch.ca

Heatlok Soya manufactured in Canada by Demilec/Cornell Group.

Monica E. Kuhn, Architect Inc. 12 Sackville Place, Toronto, ON TEL 416-966-4411 • FAX 416-923-0875 E-mail: contact@mekarch.ca www.mekarch.ca

2008 – 2013: Under construction; International competition, first prize; Cityscape Dubai international award 2008; Cityscape Asia Singapore international award 2009.

Project: Studio Nicoletti Associati and Hijjas Kasturi Associates SDN. Client: Putrajaya Holdings Ltd., Malaysia Project area: 280.000 sqm Cost: 184 M€ (million Euros) / $240M U.S

1-800-942-6545 www.heatlok-soya.com Professionally installed by:

Overall master plan

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he city of Putrajaya, the new administrative capital of Malaysia, a few miles north of Kuala Lumpur, is home to a large planned residential tower complex in Precinct 4 The key to the overall planning for the waterfront is the relationship to the waterfront or lakefront. While the buildings on the boulevard predominantly reinforce the alignment of the boulevard, the waterfront planning would tie the boulevard back to the waterfront.

The new urban plan places integration

with landscaping and view as priorities. It encourages creating “fingers” of developments towards the water and, infused with a park, creating a series of green forecourts.

The urban plan suggests the building orientation and massing provide maximum view toward the water and development across the lake. The massing architecture is broken into smaller components with different heights.

This approach will ensure the integration of landscape and building massing. The landscape and public areas will be larger and located in between the building fingers, which will create an interesting “journey” towards the waterfront.

1-888-626-1844 www.callrichecoservices.com 28

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Design concept: The metaphor The concept for the buildings was inspired by the metaphor of a fleet of eight majestic ‘Sails,’ both light and transparent. The forms are elegant and strong. The iconic image of these eight majestic ‘Sail’ buildings, on the edge between land and water, will be striking.

The individual residences will be linked by a low single storey curvilinear podium tying the building forms. Strong structural ribs further reinforces the majestic verticality of the buildings. The structure is exoskeleton in nature, reminiscent of a boat hull construction arching

from one face to another. The connecting arches also give a somewhat modern Islamic expression.

The eight ‘Sail’ buildings have similar shapes but different sizes. The number of the floors varies from 12 to 18, capped by roof gardens with panoramic views around Putrajaya.

Each levels on a ‘Sail’ buildings is configured similar to the deck of a ship. The structural frame is a series of double pillars linked at the summit, similar to the transversal frames of a boat. These double pillars create an ogival shape and they converge on the line of the keel, at the summit. Each building will

be further protected by light brise-soleil skin connected to the vertical pillars, controlling daylight to each flat, giving an overall sense of lightness and transparency to the building form. This brise-soliel would not interfere with the sightlines of the occupants toward the exterior from within each flat. The intention is that, from the inside of each flat, there will be an extraordinary sensation of being completely surrounded by water.

On the whole, the buildings of the new waterfront residential development will look like a series of elegant boats with their sails spread full with wind.

Sustainability strategy The design of the waterfront residential development has aimed to create a truly sustainable development. Significant measures have been taken to reduce the impact of the development on the local and global environment. This will fundamentally be achieved by ensuring a sustainable design, construction

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and operation of the buildings.

The approach to sustainability has been to ensure that the development makes efficient use of natural resources and has a greatly reduced environmental impact.

For Precinct 4, Putrajaya, the Italian firm brought sustainable strategies like terraces, sunshades, natural ventilation and integrated green space into the design. The buildings

will source from alternative energy and are expected to produce 50 per cent less CO2 emissions than similar residential projects through a combination of passive design, energy efficiency and low or zero carbon energy.

Website www.manfredinicoletti.com Courtesy of Studio Nicoletti Associati www.manfredinicoletti.com

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Photos: Scoler Lee & Assoc. Architects

When the past meets the future Leaside Village, anchored

by Longo’s, demonstrates a progressive old/new sustainability

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isitors to Toronto’s Leaside Village should be prepared to do a double take when first setting eyes on the Longo’s grocery store building.

Longo’s, the anchor tenant for the retail development, stands out for a number of design reasons. But the most dramatic is the fact that Rochon Building Corporation virtually helped transform the heritage building, converting it from a former locomotive shop of Canadian Northern Railway.

At the same time, says Rochon president Martin Rochon, construction and restoration were able to follow a sustainable path, earning LEED silver designation.

“Sustainability is part of Rochon’s strategy for many projects,” says Rochon. “And it starts with our 20,000-square-foot office, which also meets LEED silver status.

“The strategies put forth for the Longo’s project were to construct a sustainable green building by using LEED tools and performance criteria.”

Rochon says his company’s scope of work consisted of the demolition and re&re (remove and replace) of the interior, including all new mechanical and electrical

systems, drywall, flooring, elevator, etcetera.

The building’s effect on the environment was minimized, he says, by performing required site sustainability and air quality strategy requirements during construction, purchasing local environmentally-friendly and recycled materials and products, along with providing required back-up documentation for submission.

The project wasn’t without challenges, but Rochon says they were tackled head-on.

“There was a long list [of challenges] to overcome due to the age/heritage status of the building,” he recalls.

For starters, he explains, there was an extensive amount of lead abatement required.

“The entire roof deck was painted with a lead-based paint which was de-laminating from the wood deck,” he says. “Special enclosures were built to contain the areas being abated and this also included engineered suspended scaffolding from the joist while general construction was underway below.

“By removing the paint from the deck we were able to expose the natural beauty of the original wood deck.”

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Multiple areas of the mezzanine were damaged by fire, Rochon explains, and those areas had to be carefully removed and replaced utilizing the timber removed to accommodate a new elevator shaft.

Any new wood supports that were visible from below were stained to match existing wood.

“Then, while excavating for underground plumbing, we encountered concrete pits that contained solidified coal from the old locomotives.

“In order to excavate, all the coal-based material had to be chipped away and disposed of as contaminated material. And air quality stations had to be set up during this process to ensure air quality standards were being met.”

Architects for the entire Leaside Village project were Scoler Lee & Associates.

Marcus Scoler, principal at Scoler Lee, pointed out that, with the exception of the Longo’s store, all other buildings at the site feature geothermal heating and cooling.

“The entire design and concept is demonstrably different than standard shopping centres,” he says. “For SUMMER SUMMER 2013 2013

one thing, the layout encourages access for bicycles and pedestrians from the immediate surrounding community.”

Web: rochonbuildingcorp.com Rochon Building Corporation strives to better serve diverse customer needs, combining its base building expertise with a national retail interior division under one roof. Rochon delivers large-scale construction needs from commercial base buildings/site work, to design/ build projects. The majority of its base building work is focused on the retail commercial marketplace and industrial type buildings. Retail fitups, department stores, restaurants, and complete retail renovations have always been key elements to the company’s success. Rochon has successfully completed projects from 1,000 to 500,000 square feet for both national and international customers. A member of Canada Green Building Council, Rochon has a team of dedicated and highly experienced project managers and site supervisors: They are experts at exceeding client expectations, meeting tight schedules, and providing proactive problem-solving and extensive value engineering services to customers.

Green Green Building Building && Sustainable Sustainable Strategies Strategies

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ATENASTUDIO

A perfect fusion Landscape and waterscape at the heart of Atenastudio’s mixed use building complex in China

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tenastudio, in collaboration with Archmaster studio, has developed a master plan for a new district in Wuxi, China.

The plan would take a 200,000 squaremetre buildable zoning lot and design a project based on two key elements – landscape and waterscape.

The master plan program includes five skyscraper buildings, three multi-storey buildings, three courtyard buildings, 56 villas, and a 57-star hotel with 350 rooms. The hotel would have 24 floors, and feature shopping, real estate offices, aquatic sports club, daycare, elderly care, a multi-media library, tennis, yacht and squash clubs, plus underground parking.

The north border of this land is along the Taihu Lake Avenue, the east along the Hongqiao Road, the south along the Dingchang River

and the west along the Taihu Lake.

The area appears to be of exceptional paesistic value because of the existence of a waterfront west towards Taihu Lake and south towards Dingchang River, both augmented by a view of the mountain chains to the north.

Landscape The ground is not thought of as a flat plate element on which the buildings are simply located. On the contrary, it is used as if it would be a ‘3D solid material’ and shaped both horizontally and vertically.

In this way, force lines – always dynamic – are developed from east to west. Their highest points are on the two hills that enclose the villas, with a view of Taihu Lake.

The movement of these force lines produce in-between spaces, which create the squares

system and the whole public spaces.

This movement partially generates the buildings themselves, mainly the five high-rise buildings, the hotel, the facilities and the shopping area. In this way, they assume a plastic and dynamic shape.

Other buildings appear to be ‘on’ the landscape instead; in particular the villas, the courtyard building and the multi-storey buildings. Green is used as a ‘design material:’ Private gardens and roof gardens for the villas, green facades and roof gardens for the courtyard buildings and hanging gardens for the multi-storey buildings.

Tight linear trees add to this integrated landscape system – following and underlining the landscape bands – and represent an integrated project system of essences, mostly consisting of plum trees.

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Waterscape The intention is to emphasize, to the maximum, the presence of water â&#x20AC;&#x201C; making it become a diffuse system, introducing it inside the area and in every part of the project, and using it as if it was a â&#x20AC;&#x2DC;3D liquid material.â&#x20AC;&#x2122; Following a model found in Venice, an estuary will be created to the south with an artificial island for open air shows.

There will be a series of buildings which represent the yacht club (thought of as an archipelago), a small lake system, and a timed waterfall (perhaps 10 minutes per hour, mainly in the evening and with scenographic artificial lighting) coming from the top floor of the hotel.

In this way, a perfect fusion between Earth, water and architecture is achieved.

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This is based on a design and attentionto-landscape approach which is typically Italian and Mediterranean. It was attained by pursuing a goal guided by reference to the human scale.

The result is a landscape resort community park, respecting the law of humanity and nature.

ATENASTUDIO is a research and a design company based in Rome, working in the fields of architecture, urbanism, landscape and interior design. The studio was established by Marco Sardella and Rossana Atena in 2005.

ATENASTUDIO has been strongly involved on international level in several design projects and competitions with professionalism and

thorough knowledge of many aspects conceiving architecture, advanced technologies, landscape, urbanism and interior design.

ATENASTUDIO follows an environmentally sustainable design approach in all projects at both the urban and architectural scale. Within this design approach, sustainability and bioclimatic research are not seen as independent disciplines but as an integral part of the design process that leads to an environmentally responsible solution. Local environmental and ecological conditions are considered as fundamental factors within the design process and implemented as strategies for the development of a characteristic urban identity.

Website: www.atenastudio.it

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DuPont Tyvek Weatherization Systems ™

DuPont™ Tyvek® Weatherization Systems are an important part of ENERGY STAR®, R-2000 and other Green Building guidelines.

Working together

DuPont Flashing Systems

CaraCo Development reaps benefits of innovative project partnership with Union Gas Greg Mc Millan

C

araCo Development Corporation is attracting attention from cost-conscious new home buyers.

The Kingston-based company, known as a leader in lifestyle development, recently entered into a agreement with Union Gas under the utility’s Optimum Home Program, which partners some of Ontario’s leading builders with expert building science consultants.

The project – dubbed Performance Home 2020 – was the result of a challenge for CaraCo to build a high-performance home that was 20 per cent above the Ontario Building Code requirements.

And CaraCo delivered – and then some, says Ken Dantzer, CaraCo’s design manager.

So much so, that CaraCo has been awarded the ESC (Energy Solutions Centre) Partnership

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Green Building & Sustainable Strategies

Award in recognition for its joint efforts with Union Gas. The ESC award, from the non-profit organization of energy utilities and equipment manufacturers that promotes energy efficient natural gas solutions and systems for use by residential, commercial, and industrial energy users, signifies customer recognition of the benefit of working in partnership with a local utility.

That, plus the unique aspects of the project itself, has helped to pique interest from consumers.

“The attention to detail in the specifications and the conformance with future building codes has been well received by the public,” says Dantzer. “We have generated a lot of local interest through weekly advertising and radio, inviting the public to visit the model home.

Educational signage is posted throughout, including a six-foot wide diagram explaining the

®

home’s features and improvements, so visitors can learn about how they can benefit in comfort, in savings, and security of investment.”

The CaraCo Performance Home 2020 features several leading-edge building design and construction technologies, offering homebuyers improved comfort, better indoor air quality, and tools to efficiently control energy use, resulting in lower utility bills.

With Performance Home 2020, CaraCo has cemented its reputation as a leader in innovative development with accomplished past projects including homes built to the ENERGY STAR® for New Homes Standard, R-2000 homes, LEED certified, as well as incorporating standard features that are environmentally conscious and energy efficient. The Performance Home 2020 utilizes best practice technology cost effectively with minimal increase to sale price.

SUMMER 2013

There are many ways that water can find its way through window or door openings in a home. Windows and doors will not perform to homeowner expectations if they aren’t properly flashed and leaks occur. By helping direct water to the exterior, DuPont Flashing Systems helps to seal the building envelope and protect against water intrusion. In addition, DuPont Flashing Systems are quick and easy to install, helping to reduce labour costs.

Complete System of Products For optimal protection on all your building projects, use DuPont Flashing Systems with DuPont™ Tyvek® Weatherization Systems, including DuPont™ Tyvek® HomeWrap®, DuPont™ Tyvek® StuccoWrap™, DuPont™ Tyvek® DrainWrap™, DuPont™ Tyvek® Wrap Caps and DuPont™ Tyvek® Tape.

For more information, please visit www.Construction.Tyvek.ca or call 1-800-44-Tyvek.

SUMMER 2013

Copyright© 2013 DuPont. The DuPont Oval Logo, DuPont™, DrainWrap™, HomeWrap®, StuccoWrap™, and Tyvek® are trademarks or registered trademarks of E. I. du Pont de Nemours and Company or its affiliates.

Green Building & Sustainable Strategies 39 All rights reserved.

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r Professionally sized and installed, high efficiency 96% forced air gas furnace r Two stage burner with ECM (electronically commutated motor)

CaraCo, also known for leading the way in innovative building standards in Ontario, will be utilizing the success of the prototype Performance Home 2020 at 827 Augusta Drive in Kingston to build its business – with formalized specifications now in place, the system will be implemented into about 10 per cent of the company’s housing.

“As with many initiatives such as the CaraCo Performance Home 2020, LEED, and ENERGY STAR® that we are utilizing, the process of

developing a real project under their guidelines helped to refine our specifications and train our suppliers and trades as to what specifications are required,” says Dantzer. “This could apply to local sourcing, efficiency, chemical composition and quality control.

“We have found this process invaluable, and continues to drive change within our specifications. We will continue to seek the forthcoming regulation to elevate our product and continue tolead the way ahead of our competition.”

GROUNDHEAT™ designs and builds renewable energy systems for heating, cooling and hot water by extracting heat naturally stored underground (geothermal) to heat space and water and returning heat from buildings to the underground storage thus cooling them. Groundheat’s core business is R&D in geothermal technologies, design-build-operate-own-maintain (DBOOM) renewable energy infrastructure assets.

Save 30%-60% of your heating, cooling and hot water energy bills with geothermal based renewable energy.

THE DRILLING HAS STARTED AT VICTORIA COMMONS IN KITCHENER!

Web: www.caraco.net A family-owned company, CaraCo Development Corporation has been building houses in Kingston since 1986. CaraCo Development Corporation has maintained an excellent rating for after sales service consecutively since incorporation in 1986, achieving the highest ‘After Sales Service Achievement recognition’ award from Tarion, and the ONHWP ‘President’s Award,’ placing CaraCo’s service record among the highest in Ontario.

Groundheat Renewable Energy Plants (GREPTM) Our GREPTM design and engineering starts with geothermal energy as both a direct energy source and underground thermal energy storage (UTES) tank and then increases its efficiency by integrating other renewable energy technologies such as solar, bio-fuel, wind, wastewater heat recovery as well as co-gen or tri-gen where appropriate to maximize the efficiency and cost effectiveness of the GREP.

Partner Network Groundheat’s strategically partners with leading Mechanical Engineers, drilling companies, installers and Financing Partners to deliver the most efficient and cost effective solutions to our customers. Contact us to discuss partnering opportunities.

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Groundheat has to expertise, capability and technology to design and build a GREPTM to meet your heating, cooling and hot water needs and save your money without harming the environment. Whether a small or larger our GREP will be custom designed for you.

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Green Building & Sustainable Strategies

41

Stonebridge by the Bay

Wasaga Beach community billed as ‘the total package’ still going strong after 12 years Greg Mc Millan

S

ome might say it’s like living in another place and time.

But that’s not all they would say about Stonebridge by the Bay, the unique residential complex and community in Wasaga

Beach that’s still going strong after 12 years of work and planning.

Just six years ago, Stonebridge by the Bay was mostly a vision and untamed green space.

Now, however, the project is entering Phase 5 of its ongoing evolution.

The focus remains the same – a bustling

community of engaged and connected residents and businesses that are taking advantage of the “changing-your-lifestyle-for-the-better” mentality.

Stone gates mark the entrance to Stonebridge by the Bay where the architecture reflects a mix of 1920s Wasaga Beach and Cape Cod design sentiments.

u Ready Mix u Redi Rock Retaining Wall u Stone Slinger u Concrete pump Truck 39m3 u Concrete Conveyors

EPLETT WOROBEC RAIKES SURVEYING LTD. Ontario Land Surveyors • Canada Lands Surveyors

Providing Professional Survey Services for over 20 Years

E.C. King Contracting P.O. Box 457 2125 20th Avenue East Owen Sound, Ontario N4K-5P7 Tel: 705-444-2224 • Fax: 705-444-0825 www.millergroup.ca Owen Sound 519-376-8155 Clarksburg 519-599-3140 Port Elgin 519-832-5706 Collingwood 705-444- 2224 Durham 519-368-2100 Scone 519-363-5460 42

Green Building & Sustainable Strategies

642 Welham Road Suite 102 Barrie, ON L4N 9A1 Tel: (705) 722-6222 • 1-888-SURVEY4-U Fax: (705) 722-6855 Website: www.survey4u.com Email: e-w@survey4u.com

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The riverside community is connected by 2.1 kilometres of walking trails, which lead to other homes and a commercial area called the Stonebridge Town Centre.

This town centre feature makes Stonebridge an almost self-contained community within the larger town of Wasaga Beach. The centre has restaurants such as Harvey’s-Swiss Chalet, Boston Pizza, major retailers such as the Wal-Mart Superstore, EB Games, The Source, Living Lighting, an optometrist, a dentist and a Canada Trust branch.

And more shops are planned.

It’s quite common to see people cycling and strolling through the community, often meeting for social events held by residents, taking in live music at a restaurant, doing a little shopping, or using the medical and professional services. And it’s all within walking distance, as is the world-famous beach.

There are nearly 23 acres of open space parkland, which include two ponds and shady treecovered areas to relax in. Over the years, in fact, Stonebridge has added the free long-weekend Wasaga Beach Blues Festival, featuring Canada’s best in blues including Downchild, Jack de Keyzer and Paul James.

Complementing the park experience is the luxurious and private Stonebridge Beach Club, billed as a great place to relax, entertain and further foster a sense of community.

Backing on to the Nottawasaga River, the club features breathtaking views, a patio, a lounge, meeting room and a stunning fireplace. Homeowners also have exclusive use of an outdoor, heated, saltwater pool, complete with cabana.

Stonebridge by the Bay homes also have Energy Star-certified features such as low-E argon-filled windows, extra insulation, a high efficiency two-stage furnace, and a high-efficiency heat recovery ventilator.

Complementing the existing mix of housing styles, including bungalows and two-storey villas, Phase 5 will feature low-rise condominiums with two-bedroom suites and the only condo apartment building in Wasaga Beach with covered parking.

And the new models, according to Stonebridge marketing, will back onto the trails and woodlots, so “you’ll be surrounded by beauty.”

Also, some of the standard features at Stonebridge, offered by developer Hamount Investments Ltd., include other builders’ upgrades which are aimed at enhancing the homeowners’ living space SUMMER 2013

and lifestyle.

Dubbed “the total package,” Stonebridge continues to help reinvent Wasaga Beach – while giving homeowners there the opportunity to reinvent themselves at the same time.

“Stonebridge has been designed as pedestrian-friendly, active community that offers residents more than just a collection of houses.”

In other words, then: The total package.

Web: mystonebridge.ca

Tel: 705.443.9755 Fax: 705.722.4251

Green Building & Sustainable Strategies

43

Aedas

Abu Dhabi Investment Council New headquarters Al Bahr Towers PROJECT DESCRIPTION The design concept for Aedas’ innovative competitionwinning design is derived from an algorithmic composition, influenced by Islamic principles of design, that has been supplemented by the application of a dynamic translucent mashrabiya (type of wooden lattice screen) which opens and closes in response to the movement of the sun, reducing solar gain on the building facade by up to 50 per cent. The resulting composition seeks to create a building which is both culturally and environmentally responsive, reflecting the aspirations of the brief while also respecting the emergent Abu Dhabi 2030 Plan. The building completed at the beginning of 2012 is targeting a LEED Silver rating.

BRIEF The project brief required two 25-story towers to create an outstanding landmark building that would provide a contemporary design using modern technology while considering the region’s architectural heritage together with the status of the clients’ organization. The aspirations of the brief were consistent with a number of other initiatives within Abu Dhabi at that time, namely the recent publication of the Abu Dhabi 2030 Plan, promotion of the Masdar initiative on renewable technology, together with the recently published Estidama (sustainable) standard.

DESIGN CONCEPT Tower Form In order to generate the form of the towers, Aedas applied the principles of geometric composition derived from traditional Islamic architecture. Geometric composition has been a defining characteristic of Islamic architecture for centuries, the circle and rotation reflecting the concept of unification and unity evident in nature; an important concept in Islam and in the emerging science of biomimicry.

Following an intense period of analysis, and influenced by both the client’s brief and also the orientation of the site, Aedas began to develop the distinctive form of the towers using parametric design techniques to generate a defining geometry. Their starting point was two cylindrical towers; a circle producing the most efficient form in terms of wall to floor area while also creating the greatest volume with the least surface area.

The circular plan form was articulated to reduce solar exposure on the most heavily exposed elevations and, in doing so, began to generate a natural orientation. The form of the towers was then sculpted around the core, more narrow at the base and at the top, but broader around the intermediate floors. The crown of the tower was cut at an angle to maximize solar gain for roof-mounted photovoltaics.

Sky gardens were introduced in the most heavily exposed southerly

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Green Building & Sustainable Strategies

elevation to further reduce solar gain while providing an amenity space for users.

Having established an underlying geometry, the team was then able to erode the elevation in order to generate the structural and cladding grids. The resulting honeycomb structure performs well in terms of its seismic response, (due to the number of vertical elements), well in terms of bracing (due to the number of diagonal elements), well in terms of redundancy (due to thenumber of alternate load paths) and well in terms of wind loading (by providing an aerodynamic profile).

DYNAMIC MASHRABIYA At the same time as the form of the towers was being developed, the team was keen to find a way of protecting the building from the extremely high levels of solar heat gain which could be expected.

Drawing upon their knowledge of the region’s vernacular architecture, the practice became intrigued by the use of mashrabiya. The mashrabiya is a popular form of wooden lattice screen found in Islamic architecture as a device for achieving privacy while reducing glare and solar gain.

Aedas have reinterpreted the concept of the mashrabiya at the Al Bahr towers by developing a series of translucent umbrella-like components which open and close in response to the movement of the sun. Each shading device is driven by a linear actuator and dramatically reduces the amount of solar gain striking the façade.

The dynamic screen avoids the need for heavily tinted glass, thereby reducing the need for significant artificial lighting while providing better views for occupants of the building. This is the first time such a moveable facade has been used at this scale, enabling a reduction in solar gain of over 50%. The facade will be controlled via the building management system, creating an intelligent facade system.

ENERGY FACTS Some of the benefits provided by the dynamic facade Lighting and views: • Reduced glare; • Improved daylight penetration; • Less frequent use of internal blinds; • Less reliance on artificial lighting; • Improved views for occupants of the building.

Energy Consumption: • Up to 50% reduction in solar gain; • Significant reduction in electrical energy consumption; • Total site CO2 emissions reduction of over 1,750 tonnes per year.

ABOUT AEDAS Aedas is an international practice working in architecture, interior design, master planning, landscape, urban design and building consultancy through 39 offices in Europe, the Middle East, Asia and the Americas.

The group is supported by a research & development group that has been recognized for its pioneering work in sustainability, computational design and advanced modeling. Aedas has a strong commitment to the cities and communities in which its architects live and work. The practice

The building, which also incorporates the use of solar thermal panels for hot water heating, is targeting a LEED Silver rating.

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was named “International Practice of The Year” by the Architect’s Journal in May 2010. Some of the key projects Aedas is currently designing include: The National September 11 Memorial Museum in New York and Farringdon Station, forming part of Crossrail, in London. In 2009, Aedas completed the first phase of the Dubai Metro. Other projects in the region include Cleveland Clinic for Mubadala.

Web: www.aedas.com Green Building & Sustainable Strategies

45

Ahead of the curve

Advertising feature

Future 4 Build

Your gateway to the Eastern European green building market

E

co-investing is a European norm – especially for sustainable development in the building industry.

And, in Warsaw, Poland, an innovative trade show opportunity awaits, aimed at international businesses offering effective technological solutions.

Called Future 4 Build, the international conference and exhibition, scheduled for November 6-7, 2013, at the Expo XXI Center in Warsaw, will be dedicated to sustainable building ideas and investment – rolled into one.

The first edition of Future 4 Build took place in October 2011 and received accolades as an exclusive event for sustainability – bringing together representatives from business, government and the private sector.

Henryk Kwapisz, Market Development Manager in Saint-Gobain, said the first Future 4 Build event, organized by Sapphire Ventures, set a standard of excellence.

“Local and international experts were able to share their experiences,” he noted. “We could make acquaintances with many people engaged in sustainable building in a professional and responsible way. We can’t wait for the next Future 4 Build!”

What is the difference between Future 4 Build and other market events in the same sector?

First of all, Sapphire Ventures has long-term international experience. But there’s more. They take an unconventional approach by offering new productpresenting opportunities, highlighting superior product quality and keying on awareness of the importance of sustainable development.

The second installment of Future 4 Build aims to mesh all parties engaged in eco-building development, by organizing innovative meetings, allowing them to present products to target groups, as well as to participate in substantial discussion about the need for eco-innovations.

Tomasz Weber, PR & Communication Manager at Rockwoll, believes it is very important to attend an event such as Future 4 Build.

“We are engaged in building market development and we want to be up to date with all the latest technologies,” he says. “With Future 4 Build we can meet experts, as well as exchange experiences.

“The sustainable development sector potential is in its financial profitability. When we speak of sustainability, we mainly mean the proper balance between energetic and economic efficiency of investments.”

Magdalena Bogusz, Communication & PR Manager at OSRAM, supports that view, saying that sustainable development in Poland is not only an idea — it is a kind of trend, which became obligatory and has big potential.

Svetlana Robinson, Future 4 Build Event Director, says that the conference 46

Green Building & Sustainable Strategies

has definite international appeal and is becoming a crucial event for the building sector in both Poland and East-Central Europe.

For more info visit: http://www.future4build.pl/index_eng.html If your company is interested in exhibiting, sponsoring the event or having a speaker at the conference, please contact Giulio Marinescu, North America Sales, at 416-250-0664 or e-mail giulio1@rogers.com Uniform_Feb 11_2:Layout 1

1/5/11

12:18 PM

Photo KAZMEDIA PHOTO

Page 1

Sloot Construction’s custom home in Guelph receives first certification in Canada in new Energy Star for New Homes standard

J

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ohn Sloot realizes his company is a step ahead when it comes to being a construction industry leader in energy efficiency.

But he thinks the standards set by Sloot Construction Ltd., when it comes to highperformance levels in homes his company is building, will one day become the norm.

For now, though, he can take special pride in the fact that Sloot Construction has been recognized as the builder of the first home in Canada qualified under the new Energy Star for New Homes (ESNH) standard.

In layman’s terms, that means that the home in Guelph is over 20 per cent more energy efficient that others conforming to the minimum building code standards in Ontario.

“The more efficient your home is today the more you will keep on saving as others SUMMER SUMMER2013 2013

continue to pay more,” said Mr. Sloot, President of the Guelph and District Home Builders’ Association and President of Sloot Construction. “In the not-too-distant future this will be our normal building practice.”

The home, owned by Andy Goyda, is a 2,000-square-foot, three-bedroom bungalow in Sloot Construction’s Hale’s Manor Phase 11 community and is expected to provide an extra $600 a year in energy saving costs.

Impressive numbers when you consider implementing extra energy efficiency features only added about $4,000 to the cost.

Stringent standards for the Energy Star certification have been put in place by Natural Resources Canada. An independent energy evaluator inspects and verifies each home, with the federal government’s EnerQuality Corp. on hand to observe the process. There are a number of features in

each home that are taken into consideration when an evaluation is conducted.

Some of those include: • High-performance windows; • Energy Star-rated appliances; • Insulation upgrades; • Higher-efficiency heating; • Superior draft-proofing; • And higher-efficiency air-conditioning.

Mr. Sloot says he is very happy with the air tightness results in the Goyda home.

“It turned out better than we expected,” he says. “We continue to find better ways to improve air tightness, which will only bring more savings to the homeowner.

“Overall, we were very satisfied with the energy efficiency results of the Goyda home and, better yet, the owners are extremely pleased and comfortable in their new home.”

GreenBuilding Building&&Sustainable SustainableStrategies Strategies Green

47

He says that EnerQuality was very supportive of his companyâ&#x20AC;&#x2122;s efforts to raise the energy efficiency bar with the Goyda home. â&#x20AC;&#x153;EnergQuality offered any technical support to achieve energy efficiency and Energuide 86, which is the new measuring tool.â&#x20AC;?

Mr. Goyda, a market development manager/ Canadian builder lead at Owens Corning Canada, who works with builders such as Sloot Construction across the country, raved about how quiet his home is. â&#x20AC;&#x153;Itâ&#x20AC;&#x2122;s very quiet because of its air tightness and the house has no hot or cold spots,â&#x20AC;? he says. â&#x20AC;&#x153;All the rooms have an even temperature, in summer and in winter. â&#x20AC;&#x153;The ERV (energy recovery ventilation) system acts as the lungs of the home and provides the right amount of fresh air while exhausting stale air. â&#x20AC;&#x153;From a builder perspective, the best bang for the builderâ&#x20AC;&#x2122;s dollar is a super tight and super insulated envelope. That means the other decisions the builder makes â&#x20AC;&#x201C; such as right sizing furnaces and ducts â&#x20AC;&#x201C; can be less expensive.â&#x20AC;?

Mr. Sloot says more and more homeowners these days ask him about energy efficiency options that should be included when they build a new home. â&#x20AC;&#x153;We have typically offered different types, such as in-floor heat in basements, upgraded

SEAL UP THE SAVINGS. *

insulation packages, upgraded/better air barriers/building envelopes and better windows,â&#x20AC;? he adds. â&#x20AC;&#x153;Now we are offering a total package that includes an all-in-one option and we can show owners better overall savings on utility costs.

This demand will continue to grow as these costs continue to go up.â&#x20AC;?

Web: www.slootconstruction.com Since 1979, the Sloot family has laid the foundation for hundreds of dreams in Guelph and the surrounding area. John Sloot, president of Sloot Construction, is fascinated by taking a simple idea of design and using it as the foundation to create innovative concepts that touch the senses visually and emotionally.

Sloot is a hands-on builder who you will find on site working.

This approach and attention to detail has quickly earned the company a name for quality construction and customer satisfaction. As the company has grown, so has its reputation, with hundreds of families to date investing their trust in a Sloot home.

Years of experience and understanding a familyâ&#x20AC;&#x2122;s needs are reflected in every one of the homes built.

A Sloot home includes an imaginative

John Sloot and Andy Goyda blend of contemporary and traditional design, many features considered upgrades, the most advanced building materials and superior craftsmanship.

We are grateful for our long association as a supplier to Sloot Construction Ltd. which includes the first new home in Canada to qualify under the ESNH standard.

Kudos to the team at Sloot Construction for your successful efforts.

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