Copyright brisbanetimes

Inner-west residents say the project’s ambition to pull 9000 trucks off local streets each day is pointless without filtering the polluted air that will be drawn from the four-kilometre tunnel and pumped into the atmosphere. The project team insists its technology will push pollutants high enough for them to disperse safely. The Age is strengthening its focus on Melbourne’s west as part of a special series examining positives and challenges for the region. This week, our reporters will moderate a West of Melbourne Economic Development Alliance (WoMEDA) summit to discuss a vision for the western suburbs’ success. The new engineering report, by consultancy Synergetics, finds that the vents are not narrow or tall enough against the full structure’s architectural facade. It says they have low air-propelling velocity and are too spread out, with five air exits instead of one powerful point.