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Project As part of the Tamar River Health Action Plan (TERHAP) in October 2023 construction began on a new 3km underground sewage pipeline, consisting of a 1120m DN1000 oen trench installed pipe and 2 x DN 900 Horizontal Direction Drilling (HDD) sections (540m and 1100m long). The construction works involve installing large pipes which will be laid up to 40 metres under the estuary riverbed. The construction work is primarily drilling beneath the riverbed of the estuary and land-based trenching. The project is estimated to cost $47million, making it one of the largest pipeline infrastructure projects in the southern hemisphere. This transformative pipeline project will increase TasWater’s capacity to transfer sewage and stormwater, significantly reducing the frequency and volume of overflow events. It will help to improve the health of kanamaluka/Tamar estuary and the environment that surrounds it. Were there unique challenges? What were the benefits of the project to Launceston?
How did Vinidex provide a solution?
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