Green roofs & green walls lai confrence 110511_jonathan grealy

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Transcript of Green roofs & green walls lai confrence 110511_jonathan grealy

Page 1: Green roofs & green walls lai confrence 110511_jonathan grealy

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Green Roofs & Green Walls

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Gardens -1992•Permiculture •Composting•Home produce

Sustainability

Urban Hippies

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Sustainable Urban Environmental Developments

• Sustainable development BCC• Sustainable development is about meeting the needs of

today’s generation without compromising future generations. As one of Australia’s largest cities, we have a global responsibility in dealing with greenhouse gas emissions, use of fossil fuels and climate change.

• Council’s Sustainable Built Environment Policy• The built environment refers to the constructed and

modified surroundings that provide the primary setting for human activity. It includes buildings, roads, pipes and drainage as well as parks, gardens and green spaces.

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1000m2 - ¼ Acre Lot

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The courtyard is the new backyard

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10 individual AC Units ? Small eaves No natural shading

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Increased hard surfaces and dependence on Air conditioning

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Heat Island effect = Reduced air quality

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Are plants the answer?

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Plants are good for you.

Plant treatments -Reductions in negative-feeling scores:• Anxiety -37%• Anger -44%• Depression -58%• Fatigue -38%• Confusion -30%• Total negativity -65%• Overall stress -50%

Professor Margaret BurchettUniversity of Technology Sydney

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• Reduce Heat Island effect• Reduce Volatile organic compounds (VOCs)• Benzene,Toluene,Ehlbenzene, Xylene• Reduces Carbon Monoxide and Carbon Dioxide• Give back Oxygen.

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Plants improve air quality

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Benefits• Green roofs and Greenwalls

mitigate urban heat island effect

• Lower energy consumption and Green house Gas emissions

• control stormwater run-off• reduce sound reflection and

transmission• lower heating and cooling

costs• as well as sustain local wildlife

and increase biodiversity• Improvement of health and

well-being

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From Grey to green integratedFr

om G

rey

to G

reen

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Retrofit

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Challenges

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12mths after construction

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New building methods - Applications

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CR Land Green Tech Showroom

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Cr Land Guanganmen Green Tech Showroom Beijing

Vegetation used as insulation

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OUTrial House

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The building is actually carved out of a hill and uses the displaced grass for the roof. Simple in design, the square OUTrial House has concrete walls and its usable green roof is accessible from within the house.

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OUTrial House

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OUTrial House

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Located in Golden Gate Park, the 2.5 acre green roof is rectangular when observed from above. From the ground, however, several large spherical elements are visible. Located within these elements are a planetarium and rainforest. Also, circular skylights are distributed over the surface of the roof, allowing natural light and ventilation into the spaces below. California native greenery is used to keep maintenance low.

Californian Academy of Sciences

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California Academy of Sciences

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What’s coming

• Modern engineering creates vast possibilities

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Gardens by the Bay Singapore

Singapore is becoming a world leader in Greenroof & Greenwall technology and this project will showcase plants intergraded into the architecture.

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Zaha Hadid’s Dongdaemun Design Park and Plaza

Design Park and Plaza will contain a design museum, library, and educational facilities. Influenced by Korean paintings, the garden will contain reflecting pools, lotus ponds, pebble beds, and bamboo groves. The fluid shapes of the building, lacking sharp angles and fuse with the garden to create an organic feel.

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Zaha Hadid’s Dongdaemun Design Park and Plaza

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Big TED Cube Building

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Aptly named, this BIG creation in Taiwan looks like a cube-shaped black hole out of a sci-fi movie. Recessions throughout the building might give the impression of a portal to another world but in actuality lead to open areas that allowing people to walk through. BIG's futuristic creation will not be barren: on top of the 57-m-high building will be a grove of trees encircling a rooftop performance area, which will provide a naturally cooled public park.

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Big TED Cube Building

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