Mornington News 15 December 2020

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Shifting of sand abandoned Keith Platt BEACH box owners at Mount Martha North Beach have missed out on what was planned as a sand-filled beach Christmas present courtesy of the federal government. Plans to move 10,000 cubic metres of sand from Mount Martha Beach South were abandoned on Thursday 3 December following concerns for public safety. WorkSafe Victoria wanted the beach closed while earth moving equipment was being used to shift the sand, but the Department of Land, Water and Planning said it had no intention “to fully close Mount Martha Beach to complete works during summer nor at any other time of year”. Storms also delayed work and the earth moving contractor had other work commitments. The work was being carried out by the state government with $1.5 million from the federal government, an election promise by Flinders MP Greg Hunt. A similar bid to “renourish” Mount Martha North with 12,000 cubic metres of sand in 2010 was all but washed away within three years. Experts hired by the state government have stated that building a rock groyne to protect the beach would cause adverse effects elsewhere. However, both Mr Hunt and the Mt Martha Beach Group Committee want the money spent on providing sand and building a rock groyne in the water that they claim will retain the

Mount Martha landslip works

Safety trumps sand: Plans to replace thousands of cubic metres of sand swept away from Mount Martha Beach North has been cancelled because of safety issues surrounding the use of heavy earth moving equipment on the popular beach. Picture: Keith Platt

trucked-in sand. The group has told Energy, Environment and Climate Change Minister Lily D’Ambrosio that sand could be imported to neighbouring Hawker Beach (“on an as required basis”) if it further deteriorated as a result of the groyne. Meanwhile, cracks have again appeared in the bitumen along the Esplanade between Balcombe Creek and Alice Street, apparently as a

result of the eroding cliff. The DELWP has hired consultants Water Technology to investigate future beach renourishment works at Mount Martha North, focussing on using sand dredged from offshore. “DELWP is aware that some in the community believe that construction of hard structures, particularly groynes, are the right solution at Mount Martha North Beach,” the

department stated in its December “Stakeholder Update” newsletter. “However, the advice from a series of expert studies is that such engineering solutions are not appropriate at this particular location because of significant adverse impacts they would cause along the adjacent coast, and because they would not be effective in keeping sand on the beach in the long-term.”

WORKS to provide temporary vehicle access to the property cut off during the landslip at the Esplanade, Mount Martha, in October were set to begin last week and take two days. (“Landslip closes Esplanade” The News 5/10/20). This week, residents will see further activity with the drilling of three bores near the service road above the Esplanade. The bores will obtain samples to determine the strength properties of the rock and soil and determine the depth of groundwater. These works are expected to take three days. Two further bores, lower down the hillside nearer the Esplanade, are also planned before Christmas. They will likely impact traffic over two days. Revegetating the area is an important element in addressing the environmental impacts of the slip and in stabilising the slope. To ensure successful regrowth, this will be completed after all engineering works. Speed limits on the Esplanade are 40kph near the slip. The service road remains closed to through traffic, however, residents can access their properties.

Mornington News 15 December 2020


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