Edithvale and Bonbeach Environment Effects Statement: Groundwater Levels
19 Mar 2018
Video
Transcript
Edithvale and Bonbeach Environmental Effects Statement Groundwater Levels
[Vision: Level crossing sign flashing - speedboat on water]
[Title: Edithvale and Bonbeach Environment Effects Statement Groundwater Levels]
Tony - EES Groundwater Lead, LXRA Technical Advisor - AECOM-GHD joint venture
An Environment Effect Statement, an EES, is an assessment of the potential impacts of a project.
[Vision: Time lapse of construction work on rail corridor]
It allows the government to make a decision around whether a project should proceed.
[Vision: Tony speaking]
The focus of this EES is the level crossing removal projects proposed at Edithvale and Bonbeach.
[Vision: Staff member analysing data on computer]
[Groundwater Levels - Groundwater Quality - Edithvale-Seaford Wetlands]
Specifically it focuses on three areas: Groundwater levels, groundwater quality, the Edithvale-Seaford wetlands and other ecosystems.
[Vision: View of wetlands]
[level crossing works would not impact the Edithvale-Seaford Wetlands]
Our study has found that the level crossing removal projects wouldn’t impact upon the Edithvale-Seaford Wetlands, and other impacts relating to groundwater were minor and could be managed.
[Vision: Tony speaking]
Groundwater is water that occurs underground.
[Vision: Aerial view of wetlands]
It occurs when water from rainfall or rivers or other sources seeps into soil and rocks.
Groundwater is essential for many ecosystems at Edithvale and Bonbeach including the wetlands.
[Vision: Diagram of Edithvale groundwater design technique]
Our study predicted possible changes to groundwater levels as a result of the rail trenches required for the Edithvale and Bonbeach level crossing removal projects.
[Vision: Tony speaking - aerial view of suburb and rail line]
[Edithvale design will minimise changes to groundwater]
At Edithvale, the groundwater level changes required us to use a design that would allow groundwater to flow from one side of the rail trench to the other side of the rail trench to minimise groundwater level changes.
[Vision: Tony speaking]
[Bonbeach: changes to groundwater levels would have extremely low impact]
At Bonbeach, the groundwater flows in a slightly different direction which means that the project would have negligible or extremely low impacts to groundwater.
[ongoing groundwater monitoring]
We’ll be monitoring groundwater during construction and for several years during operation to keep an eye on things.
[Vision: Ducks in wetlands]
[For more information visit levelcrossings.vic.gov.au/ees or call 1800 105 105]
[Level Crossing Removal Authority - Victoria State Government]
[Speaker: Authorised by Victorian Government, 1 Treasury Place, Melbourne]
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