Assessment at the EntrancePort of Melbourne Corporation has conducted underwater video assessment at the Entrance of Port Phillip Bay. The assessment is a requirement of the Channel Deepening Project’s Environmental Management Plan (EMP). The towed video footage was taken over the period 2-3 May 2008, following the commencement of dredging at the Entrance on 5 April. The footage is indicative of the seabed profile as a result of dredging in the area. The total footage however runs for in excess of 12 hours and is not replicated here. Notably, following the trial dredge at the Entrance in 2005, assessments then showed evidence of subsequent regrowth in the trial dredge area just months later. This footage is also available on this website via the second table on the right. Since the video footage was taken in May this year, a series of clean-ups of residual material at the Entrance has occurred in accordance with the requirements of the EMP, and further video assessment will also be carried out. Dredging at the Entrance is an integral part of the project and is one of the most technically challenging aspects of the project. Notably, it was the first time in the port’s history that the Entrance has been deepened without the use of explosives. Importantly, as of October 2008 and as forecast in the project’s environmental assessment, there have been no indications of significant environmental disturbances from the dredging, most notably in relation to tides, tidal currents, sea level and marine life. A brief overview of the video can be viewed via the table on the right or simply by clicking here>> The total footage is available for viewing upon request. Further information on Entrance monitoring activities will be added as these activities are completed. |
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