How the construction industry can take concrete steps towards decarbonisation
Processing of raw materials for buildings and infrastructure developments and the actual construction processes are the industry’s two largest contributors to greenhouse gas emissions. If it is to meet climate change mitigation targets by 2050, the construction industry will need to get serious about adopting more sustainable practices.
Peter Damhuis, vice-president, RIB CCS
Peter Damhuis, vice-president, RIB CCS
RIB CCS vice-president, Peter Damhuis, identifies three important aspects that construction firms need to consider in pursuit of a greener construction process and more sustainable industry.
It starts with design
Damhuis says design is the most critical element in establishing the greenhouse gas (GHG) emissions for the lifetime (cradle to grave) of a construction project. “The design of a project affects the materials used as each material has a different carbon footprint that will affect the initial carbon calculations.
“In addition, the design can affect the lifecycle costing of a development, for example, what glass is used and how does it affect the heat absorption or retention of the building; should the structure be based on concrete or steel; and how would this impact heating in winter and cooling in summer?
“The efficiency of the design can materially impact the energy consumption during the lifetime of the project. So, does the ratio of glass to concrete affect the heating and cooling requirements; does the design include natural ventilation or evaporative cooling systems, which could result in lower energy requirements in the cooling system; does the glass or the roof design include solar generating capabilities; or does the water system allow for grey water consumption for toilets?”
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