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PRECAST CONCRETE ELEMENTS128 CPI %u2013 Concrete Plant International %u2013 6 | 2025 www.cpi-worldwide.comMoldtech has recently commissioned a complete production line for box culverts for the ambitious Western Harbour Tunnel project promoted by the NSW Government in Sydney.The client, Acciona Australia, is a subsidiary of Acciona, one of the largest European engineering firms, a renowned multinational company focused on sustainable solutions and infrastructure that has been awarded large key infrastructure contracts in Australia in recent years.The project involves a new 6.5 km tolled motorway tunnel beneath the harbour, intended to reduce pressure on some of the city's main roads and improve mobility, avoiding Sydney%u2019s CBD and relieving traffic on the Sydney Harbour Bridge, the Sydney Harbour Tunnel, and the Anzac Bridge. Acciona%u2019s package includes the construction of approximately 4.5 km of tunnels from Birchgrove, under Sydney Harbour and on to North Sydney, with a 1.5 km underwater section. The approved construction solution using two tunnel boring machines, precast tunnel lining segments and precast box culverts, offered great advantages as compared to the previous harbour tunnel project completed more than 30 years before, avoiding dredging of the seabed under the harbour with a significantly reduced impact on the environment and minimizing disruption to recreational and commercial port users, while protecting marine biodiversity. Complete line for box culverts for the Western Harbour Tunnel project in Sydney, AustraliaMoldtech S.L., 41500 Alcal%u00e1 de Guadaira (Sevilla), SpainView of the factoryMachine placed for casting