|In early December 2007 the Vancouver Board of Parks and Recreation together with the VanDusen Botanical Garden Association selected the design team of Busby Perkins + Will and landscape architect Cornelia Hahn Oberlander to develop a Master Plan for the Garden of 55 cultivated acres. |
The VanDusen Botanical Garden Visitor Centre uses renewable sources found on-site to meet net-zero energy annually and the primary building material is wood which stores carbon dioxide for the life of the building. Photovoltaics on the roof create electricity for the Centre, and hot water is provided by a biomass boiler fed by dry wood waste reclaimed from the surrounding area. Rainwater is filtered and used for the Centre's greywater requirements; 100% of blackwater is treated by the on-site bioreactor, the first of its kind in Vancouver, and discharged to a new percolation field in the garden.
The design of the VanDusen Botanical Garden's Visitor Centre was inspired by the leaves and flower of an orchid. The undulating green roofs are located on the "petals" and are planted with grasses and colourful bulbs. The building is designed to exceed LEED Platinum standards and is one of the first buildings in Canada to get certified under the Living Building Challenge.
|"Inspired by organic forms and natural systems, the VanDusen Botanical Garden Visitor Centre seeks to create a harmonious balance between architecture and landscape, from a visual and an ecological perspective. The dynamic single-story structure includes an innovative prefabricated roof form that appears to float above the building's curved rammed earth and concrete walls. Metaphorically representing undulating petals, the building form flows seamlessly into a central oculus and the surrounding landscape.|
Located on the Garden's prominent southeast corner, the 19,000 square foot Visitor Centre transforms the site's entrance to heighten public awareness of the Garden, its conservation mandate, and the importance of nature. The building houses a cafe, library, volunteer facilities, garden shop, offices, and flexible classroom/rental spaces," (Perkins+Will).
With slopes ranging from 2 degrees to 50 degrees, this project used three different green roof systems. On the low sloped landbridge roof the "ZinCo Perennial Garden" with the Floradrain FD40 and 20 cm of growing medium was installed. The sloped petals green roofs where constructed with the "ZinCo Sloping Meadow" system including the Floraset FS75 and 20 cm of growing medium. And the oculus roof with a slope of more than 45 degrees was installed with the "ZinCo Steep Sloping Meadow" system including the Georaster elements and 12 cm of growing medium. The entire green roof was hydroseeded with local grasses and planted with bulbs native to the area.
Awards: Awards for Environmental Excellence, Excellence in Urban Sustainability Finalist, 2013 GLOBE; Wood Innovation Award, 2013; 2013 Wood WORKS! BC Wood Design Awards; Engineering Award Winner, 2012 World Architecture News; Lieutenant-Governor of British Columbia Merit Award, 2012 Architectural Institute of British Columbia.
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|The VanDusen Botanical Garden is located at 5251 Oak Street (37th & Oak St.), Vancouver, British Columbia V6M 4H1; 604.257.8335; http://vancouver.ca/vandusen/ - read about the new Visitor Centre here. See the project profiles from Perkins+Will and Sharp and Diamond Landscape Architects. Watch the installation of the VanDusen greenroof through timelapse photography from Projects in Place Society with Houston Landscapes and the wonderful VanDusen Botanical Garden Visitor Centre as seen at the Vancouver Art Gallery, WE: Vancouver --12 Manifestos for the City 8:59 video by BusbyPerkins+Will on YouTube. See photos at Flickr by VanDusen Gardens.|
Read: Canada's Gorgeous Green-Roofed VanDusen Botanical Garden Visitor Centre Now Open to the Public of March 21, 2012 by Diane Pham in Inhabitat; Design in Boom: The VanDusen Botanical Garden Visitor Centre of Winter 2011 by Amanda Jun in MONTECRISTO; and VanDusen's $21.9 million Visitor Centre opens of October 21, 2011 by Steve Whysall in the Vancouver Sun. Read about Soprema and ZinCo GmbH in the Greenroof Directory. Contact Sharp and Diamond Landscape Architects at: http://sharpdiamond.com/. For more information contact ZinCo Canada at: 905.690.1661, firstname.lastname@example.org, or visit www.zinco.ca.
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