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Project Manager : Project Manager Dec Jan 2014
www.aipm.com.au Project Manager 23 SUSTAINABILITY OF THE FUTURE Are the days of the 'glass box' office or residential block numbered? NDY's Chris Nunn believes that while these buildings meet the aesthetic desire for natural light and great views, they struggle to weather the high solar loads and demands for cooling. These glass boxes in their current design will be far from ideal for the future. "The remedy is an increased focus on high-performance facade and fabric, in particular airtightness, better construction detailing to reduce uncontrolled leaks and heat gains, and earlier use of energy modelling as part of a more integrated, iterative design process," Nunn says. He cites building trends in Europe as leading the way in energy-efficient construction. "Architects and engineers are working together to create aesthetically striking facades that respond appropriately to the solar context of the site." Some of the innovations include: • fabric solutions with high- performance glazing, low infiltration rates and attention to thermal bridging • external shading • appropriate window-to-wall rations • double-glazing as standard, plus triple- or even quadruple-glazing THE FINANCIAL BENEFITS Building housing for the homeless also reaps benefits financially. According to the Australian Common Ground Alliance, housing a person in a Common Ground facility is $63 per night, or $133 for crisis accommodation, $276 in prison, $439 in an emergency room, $702 in a mental health bed and $1100 in a hospital bed. It is cheaper to house a person in Common Ground for a year than it is to have them spend that time sleeping rough and using hospital facilities twice a month, which is not unusual. Process e team identi ed two major areas that would ensure success: achieving the sustainability and adaptability goals and completion in 14 months. To speed up construction, pre-cast concrete walls and ooring were made o -site and then craned into position. Grocon and NDY also needed a clear plan on how each individual unit could be adapted, if required, to suit people with di erent needs. At the same time, sustainability principles needed to be developed and adhered to. With each unit only 32 sq.m, the designers and builders needed to be innovative to ensure a comfortable, liveable, secure and climate- controlled space for tenants. e team also had to deal with some hostile neighbours in an adjacent residential complex, who were initially unhappy with the project. Outcome Common Ground Sydney was completed on time and under budget. It achieved its goals to provide a ordable, comfortable and safe housing for homeless and low income ear ners. It generates 35 per cent less greenhouse gas emissions than a typical comparable residential building due to the ventilation system, high- performance building materials and double- glazed windows. About 50 per cent of domestic hot water needs are provided by solar thermal panels, with each unit heated via gas- red hydronic heating panels, which have weather compensation controls to ensure heating is not left on when not needed. Each unit is also adaptable to di erent needs and can be converted to suit a wheelchair-bound resident if needed. "It's a very clever design that makes good use of small spaces," says Nunn. Everyone involved ensured the neighbours were kept in the communication loop. Regular community barbecues were held and anh says the less-than-happy locals eventually came around, realising that the development would have major bene ts for the local area. e residents, caseworkers and stakeholders have also voiced their satisfaction with the outcome. anh says that immense joy and pride from living or working at Common Ground Sydney has been expressed. " is is a testament to the building and its appropriate design, which meets the unique user needs." Since completion the project has received numerous awards a nd industry recognition, both locally and internationally: • 2012 Australian Institute of Architects – NSW Premier's Prize Finalist • 2012 UDIA NSW Award for excellence – Winner (A ordable Development category) • 2012 World Architecture Festival (WAF) Awards – High Commendation (Housing) • 2012 GBCA 5-Star Green Star – Multi Unit Residential (Design v1 certi ed). •••
Project Manager Oct Nov 2013
Project Manager Feb Mar 2014