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Pioneering Biourbanism Using Design Tools

Through intelligent BIM and GIS tools in Vectorworks Landmark, Adrian McGregor is able to pioneer the field of biourbanism, an approach to urban planning which he believes will change the way we build and maintain cities.

Adrian McGregor of McGregor Coxall, a Sydney based global landscape architecture, urbanism and environmental firm, is writing a book about Biourbanism, and defines the concept simply as cities = nature. “Humans are mammals that design, engineer, build and operate our urban living environments. The cities that result from these processes cannot be magically divorced from our planetary ecosystems; they are part of mother nature.” Their constituent systems rely on humans to exploit natural capital and ecosystem services to fuel them. Cities are anthromes, which can be defined as human engineered biomes, and they function as a discrete system of ecosystems. Fundamental to Biourbanism is the idea of the circular economy whereby city inputs and waste are minimized to mimic natures processes and reduce carbon footprint.

McGregor has been considering the implications of biourbanism for years. He and his firm since 2006 have spearheaded the Biocity Research project, which looks to conduct research in collaboration with universities, private sectors, the government, and the industry at large to shape the way we think about a growing range of challenges posed to urban settlements such as resource scarcity, population growth, and climate impacts.

In his design work, which often concerns the planning of new cities and regeneration of regions, McGregor takes in stride the idea that, without treating the city as a connected whole, the city will perform poorly, with each of its individual systems working in a linear instead of circular fashion. For the citizen, this means unhealthy urban living environments.

The ability to import spatial data into the design file provides necessary context for the rest of an urban planning process. In much the same way a scientist needs to understand the environment of an organism in order for it to grow, a landscape architect must understand the environment of the city they want to build. If a scientist were to ignore the organism’s environment, the organism would die. A city is not much different.

Geographic information systems (GIS) are a driving force behind biourbanism, McGregor says. Through using GIS tools along with building information modeling (BIM), the appending of data to modeled geometry, McGregor Coxall is redefining what it means to do urban planning.

“I’m personally really excited about the possibilities of BIM and GIS integration,” McGregor said in an interview for this article. “What we want to be able to do is model a city district using the Vectorworks toolset and have it include smart objects with embedded data, then aggregate all of that into the GIS file.”

The end goal of this is to maintain a file that serves as a map of the city with all of its information present. A big piece to this puzzle, according to McGregor, is data visualization.

“A building façade can have a lot of solar radiation,” he said. “It heats up and radiates the heat to surrounding surfaces. We can use data visualization in Vectorworks to assign colors to surfaces to produce a 2D heating map of the city. If it’s a darker concrete surface, it might get a red color to it; if it’s an irrigated lawn, it might get a lighter green, conveying the predicted ambient temperatures.”

This allows McGregor to see spatial data at a glance, which is instrumental to an informed and iterative design process. As projects get larger and more complex, McGregor explained, clients want more and more to see a variety of options for detecting and mitigating potential issues — as such, testing is crucial to McGregor Coxall, as is communicating the tests with clients. This testing of options is what forms the core of collaborative BIM. “When we move into design development and construction documentation, that’s where BIM plays a huge role,” he said. “It’s becoming more and more important that we can talk to the whole consultant team using BIM files.”

Shenshan Biocity by McGregor + Coxall and SCUT (courtesy Vectorworks)

The example of heat mapping illustrates how design tools contribute to iterative design with collaborators. One might use the heat map to start a conversation with the client about how the design stacks up to the city’s standards — if you’re seeing particularly high heat in an area on a layout, you might propose adding more trees to create shade and mitigate the expected surface temperature and better align the area’s desired temperature with the rest of the map.

And that’s where Vectorworks Landmark comes in. The software excels at this kind of open collaboration — the innate Project Sharing and Cloud capabilities not only support the landscape architect’s needs but make them an easily achievable reality. For McGregor, it’s much easier to do this kind of work with a purpose-made planning toolset.

Essentially, McGregor is doing away with isolated, individualistic design thinking wherein a designer creates metropolitan areas one by one. Instead, he aims to analyze projects in the larger context of a city to better understand the overall environment and ensure its success. Heat mapping is one example, but McGregor is also doing this with carbon emissions, energy efficiency, water efficiency, and more.

Altogether, this integrated design approach will lead to a more sustainable city, one that supports happier, healthier citizens.

For more information about McGregor + Coxall, visit their website.

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Alex Altieri is a copywriting specialist for Vectorworks, Inc. He has degrees in digital/print journalism and philosophy from the Pennsylvania State University, and although he's not a designer by trade, Alex remains inspired by the ways Vectorworks software helps incite creativity. 

Tags: energysponsoredsustainabilityheat islandsvectorworks

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