2009 Awards of Excellence: BTC
With a sports field and café patios, these green roofs on a Vancouver-based LEED® Gold-certified building provide the foundation for a series of active and attractive spaces.
Project: Broadway Tech Centre
Award Recipient: Sharp & Diamond Landscape Architecture Inc.
Architect: Bunting Coady Architects
Structural Engineer: CWMM Consulting Engineers Ltd. Project Manager: Tidball Projects
Electrical Engineer: Nemetz(S/A) & Associates
Mechanical Engineer: Cobalt Engineering
Building Envelope Consultant: Trow Associates Inc.
Broadway Tech Centre is a high-tech office park built on a former brownfield site on a hillside in Vancouver, British Columbia featuring a variety of high amenity spaces built mostly on roof deck. Buildings No. 1, 5 and 7 are registered for Gold LEED® status with the Canada Green Building Council.
The site is the former Eaton’s Department Store warehouse and distribution centre. Most of the warehouse is retained for production, distribution and underground parking spaces with offices and multiple rooftop gardens – covering a total of 270,000-square-feet with depths varying between 12 and 36 inches – built above. Virtual Way, a dedicated city street on top of underground parking features interlocking concrete pavers atop a high, compressive-strength drainage layer.
Intensive green rooftops include an athletic sports field, café patios, entrance plazas, and sport courts. The thematic use of water-features creates places for both active and passive recreation. Lawn, shrubs, and landscape berms supports trees on slab surround an all-weather synthetic turf field. Large canopy trees shade portions of the hardscape providing green corridors throughout the site.
Water features with spray-heads and bubblers on boulders create visual delight and white sound to dampen traffic noise. Water channels link from the street through quiet gardens between the buildings built over the underground parking structure. The on-grade and rooftop gardens appear to integrate seamlessly.
The judges were impressed not merely by the scale of the project but by the complexity of environment. The project contains a diverse collection of attractive and active spaces and the corridor-based design ensures that these spaces will be used by employees working the surrounding buildings as well as inviting local foot traffic. Added to this, is the extensive integration of water into the environment, to create unity within the space, and a sense of separation from the noise and rush of the city. This project is a true example of the intensive green roofs potential to create an accessible, biophilic oasis in the heart of a busy urban environment.
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