St Marys Bay – Masefield Beach Water Quality Improvement Project

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St Marys Bay – Masefield Beach new submarine pipeline to extend a stormwater outlet 400m into deeper water.

Due for completion in 2021, this Auckland City Council project was constructed by McConnell Dowell, and pipeline design by GHD Group.  Concretec NZ supplied  140 number half precast concrete ballast blocks to anchor the new pipeline to the seabed. 

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Ballast Blocks On Pipe prior to submersion Ballast Blocks On Pipe prior to submersion
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Ballast blocks - 1/2 unit. Ballast blocks - 1/2 unit.
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Ballast Blocks Ballast Blocks - Ballast blocks on pipeline prior to submersion

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