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Nyrstar Port Pirie -- SWPS-Marine Works Project
Following an open tender process, Maritime Constructions was awarded a contract by Nyrstar Port Pirie to install an underwater outfall pipeline from their new Sea Water Pump Station (SWPS). The works involved the dredging of a trench (approximately 8,000m3) using a cutter-suction dredge, installation of 800 sqm of concrete mattress adjacent to the SWPS for slope stability towards the intake pumps and the installation of 150m long (1200mm dia down to 355mm dia) HDPE pipeline from the SWPS to the edge of the shipping channel in the Port Pirie River. This project is part of Nyrstar’s overall Port Pirie Transformation Project, to upgrade their old lead smelter, that has been in operation since 1880, to an advanced poly-metallic processing and recovery facility with an improved environmental footprint.
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