Nathan Phillips Square
Wins 2011 Award of Excellence


Green Roofs for Healthy Cities announced that the Nathan Phillips Square Podium Roof Garden is a winner of the 2011 Green Roof and Wall Awards of Excellence.

“Since 2003, the Awards of Excellence have defined the leading edge of innovation for living architecture,” said Jeffrey L. Bruce, chairman of Green Roofs for Healthy Cities. “With an exceptionally competitive program, this year’s winners should be proud of their accomplishments in challenging the boundaries of the industry.”

The Awards were presented at the CitiesAlive: 9th Annual Green Roof and Wall Conference held November 30 to December 3, 2011 in Philadelphia. CitiesAlive was presented with co-hosts The City of Philadelphia and the Pennsylvania Horticultural Society.

“The 3,400 m2 Podium Green Roof at Toronto City Hall is the largest publically accessible extensive green roof in all of Canada and the flagship green roof installation for the City of Toronto,” said Dave MacKenzie, horticulturalist and president, LiveRoof, LLC. “This LiveRoof project stands out as a prominent element in the revitalization of Nathan Phillips Square.”

The Podium Roof Garden reconceives the upper level of Nathan Phillips Square as a vast public park integrated with the existing elevated walkway system, reopening it to the public as a truly engaging 21st century space. The project demonstrates that an extensive 10-15 cm deep green roof can create an exciting and successful public space supporting intimacy and gathering. It invites strolling and wandering within a setting of complex, lush and abundant varieties of color and texture that merits repeated visits. The park consists of a sedum and perennial mosaic perimeter garden, a sparkling black granite paved courtyard that frames the Council Chamber, and a café deck that occupies the prow. The project’s LiveRoof modular system allows for easy installation and facilitates future maintenance. The varying depth of the modular trays is concealed to provide a seamless surface of planting. “This project brings new potential to the building and space by offering a garden respite from the harsh concrete downtown environment”, said Mary Tremain, partner of PLANT Architect Inc., who will be receiving the award.

The project fulfills the original potential of this space as a public adjunct to the main square, as a place for ceremony, and as a place to get up close to the fine detail of the building. It brings new potential to the building and space by offering a garden respite from the harsh concrete downtown environment with places for intimacy and lingering, for lunch breaks, evening strolls, and art installations. It also technically improves the building and environment by contributing to energy efficiency, roof membrane longevity, sound insulation, filtration, storm water management, and habitat creation.

“Nathan Phillips Square is a showcase for LiveRoof,” said Kees Govers, technical manager for LiveRoof Ontario, Inc., LiveRoof’s licensed regional grower and distributor in Ontario. “It highlights the design versatility, beauty and performance of the LiveRoof Hybrid Green Roof System.”

Designed for immediate success and lasting sustainability, the LiveRoof Hybrid Green Roof System is delivered to project sites with modules full of plants that are already full-grown, hearty, and flourishing. With their technologically advanced and horticulturally refined module design, LiveRoof green roofs establish a healthy, naturally functioning ecosystem on the rooftop.

Source: Green Roofs for Healthy Cities

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