Architecture Canada n°8 1er semestre 2010
Architecture Canada n°8 1er semestre 2010
  • Prix facial : gratuit

  • Parution : n°8 de 1er semestre 2010

  • Périodicité : semestriel

  • Editeur : Naylor Canada

  • Format : (213 x 276) mm

  • Nombre de pages : 44

  • Taille du fichier PDF : 3 Mo

  • Dans ce numéro : des établissements de justice novateurs.

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Hallmark of Transparency Big, green courts centre makes clear impression in Calgary By Christopher Guly When the Alberta government set out to commission a new courthouse in Calgary, it sought a building that would be contemporary, accessible and stand as a hallmark for the transparency of justice. It got all that – and more – from a design team led by the Calgary offi ce of Kasian Architecture Interior Design and Planning Ltd. Opened in early 2008, the $300-million Calgary Courts Centre is the largest courthouse of its kind in Canada and the third largest in North America, and boasts one of the country’s largest atriums, standing 26 storeys. « We didn’t want this place to be built of solid, impenetrable walls like conventional courthouses that are almost bunker-like with Glass elevators with catwalk-like bridges connect the towers, creating elevator lobbies and people gathering spaces within all levels of the atrium. 34 ■ THE ROYAL ARCHITECTURAL INSTITUTE OF CANADA/L’INSTITUT ROYAL D’ARCHITECTURE DU CANADA Architect : Kasian/Photo : Robert Lemermeyer a horizontal orientation, devoid of natural light and views, » explains Bill Chomik, PP/FRAIC, a principal at Kasian who served as project director of the Calgary courts initiative. « We wanted a design that would create a sustainable, fresh and public-friendly space to accommodate the collaborative and growing needs of the court system. » The Calgary Courts Centre is one of the few courthouses in North America that combines a provincial (or state) court – in this case, Alberta’s Provincial Court – with a Federal Court : the Court of Queen’s Bench and the Federal Court of Appeal, which also uses the building. Occupying nearly two city blocks in downtown Calgary and about one million square feet (92,900 square metres) in size, the complex features two glass and concrete skyscrapers. The north tower stands 24 storeys, while the south tower is at 20 storeys. Both are joined by the even taller glazed atrium. Inside this mighty clear tower is a bank of 12 public glass elevators with catwalk-like bridges that connect the towers, creating elevator lobbies and gathering places on every fl oor of the atrium, which provide views of Calgary’s urban landscape and the Rocky Mountains. One tower houses the Provincial Court, while the other one includes the Federal Courts. And each tower is divided into sections : court registry services are located at the bottom levels ; the 73 courtrooms – and a multipurpose room specifi cally designed for Aboriginal justice ceremonies – are situated on the middle fl oors (5 to 17) ; and judicial chambers comprise the top levels. To create this spectacular structure, Kasian – which had never before designed a courthouse – worked with outside architects and firms at various stages of the design process. Celebrated Uruguayan-born architect Carlos Ott, internationally renowned for his work two decades ago on the Opéra de la Bastille in Paris, was consulted during the conceptual stage. Also involved in the project
The $300-million Calgary Courts Centre is the largest courthouse of its kind in Canada and the third largest in North America. were Toronto’s NORR Ltd. and Spillis Candela DMJM (since acquired by Los Angeles-based AECOM), which provided input into the design of courtrooms and a holding facility for the accused transferred from remand centres, which is located at the base of the building. The design team’s idea for using glass as the predominant material in the building is to expose its inner workings and refl ect the Provincial Government’s vision that « justice is truly accessible to all, » says Chomik. The Calgary Courts Centre also shows that it can be done in a green way. Seeking LEED Silver-certifi cation – which would make it the largest courthouse facility to attain that distinction – the Calgary complex features triple-glazed, tinted windows in the two towers (20 per cent of the courtrooms have windows high enough to prevent views inside from the outside) and double-glazed, clear windows in the atrium. There is also daylight harvesting in which special lighting systems within the building automatically adjust based on the amount of natural light entering the spaces. Low-fl ow toilets and sink sensors in all washrooms are among the features expected to saveup to one million gallons (3.76 million litres) of water annually and reduce water consumption by over 25 per cent, compared with similar buildings designed to the Model National Energy Code for Buildings. Based on a similar comparison, the Calgary Courts Centre is 42 per cent more energy effi cient, a result, in part, of high-effi ciency heating and cooling equipment and a system to recover waste heat from air exhausted out of the building. Other LEED-friendly features include:• rainwater collection in a basement storage tank used for landscaping-related irrigation ; and• the use of renewable and non-toxic wheatstraw board in all millwork, and such recycled materials as the industrial waste Architect : Kasian/Photo : Robert Lemermeyer product, high fl y-ash concrete, as wellas steel and rebar, over 90 per cent of which was recycled. As well, over 70 per cent (18,600 metric tonnes) of construction waste was recycled and not sent to landfills. Hallmark of Transparency The Calgary Courts Centre occupies nearly two city blocks in downtown Calgary. The westerly block accommodates two levels of courts and features two towers joined by a spectacular, soaring 26-storey glazed atrium. Says Chomik : « With our in-house sustainability team and outside consultants, we were able to integrate a high level of green features that will contribute to a healthy working environment, be cost effective and put Alberta on the map with its commitment to these types of projects. » ■ THE ROYAL ARCHITECTURAL INSTITUTE OF CANADA/L’INSTITUT ROYAL D’ARCHITECTURE DU CANADA ■ 35

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