Kristina Zarich
Green Square Community Relations
Nava Jeyachandran
Senior Project Manager
This proposal will reduce the risk of flooding in the area.
Green Square Community Relations
Senior Project Manager
Green Square was once a network of swamps, wetlands and creeks. Hazardous flooding has been a constant challenge in the area, with floodwaters reaching 2.3 metres in Joynton Avenue during storms in April 2015.
The new drain will carry stormwater from the southern part of Waterloo and surrounding areas along Joynton Avenue to the Green Square stormwater drain.
We will finalise the design and start construction from 2019, once all relevant assessment requirements are satisfied and a public exhibition of the review of environmental factors report takes place. We expect to finish the drain by 2020.
A review of environmental factors is a planning assessment report used by councils to assess the main engineering, environmental and planning issues associated with projects developed for public use.
The report documents possible impacts the project will have on the environment and details steps to be carried out to avoid, minimise or mitigate those impacts.
Microtunnelling minimises noise, dust and disruptions to traffic. It also means we can retain the fig trees on Joynton Avenue.
It involves using a tunnel boring machine to install pipes underground through a launch pit. We looked at a range of options and because this technique minimises the need for open trenching, it reduces environmental impacts for people living, working and commuting in the area.
The tunnel boring machine digs an underground path, into which we install concrete pipes. We will dig pits at each end of the path to launch or retrieve the machines. The size and location of the launch and retrieval pits will be confirmed in the detailed design.
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Consultation closes at 5pm on Monday 19 November 2018.
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