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Category : construction

Indoor Environmental Quality – Carbon Dioxide

What is Carbon Dioxide? Carbon Dioxide (CO2) is often used within the indoor environment as a way to determine the ventilation rate. When an indoor environment is unoccupied and there is air entering from outside the concentration of carbon dioxide will eventually reach the same as the outdoor levels.¬†When people enter the space, as a result of breathing they produce carbon dioxide (amongst other things) and over time the concentrations increase [2]. Whilst many buildings are designed to have specific […]

The Yarra River @ Big Peninsula Tunnel

A panorama of the Yarra River after the Big Peninsula Tunnel Diversion.