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Trenchless Engineering Projects
Explore our portfolio of Horizontal Directional Drilling projects.
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Civil
Mairangi Bay Gravity Sewer Upgrade
CDS was engaged to undertake the preliminary design and construction methodology for a new pipeline to divert flow from the overloaded network.
Civil
Pohutukawa WW Siphon Replacement
This included a Civil 3D design, geotechnical review, archaeological assessment, installation methodology, construction footprint design and stakeholder liaison.
Civil
Glenbrook Estuary Crossing
Due to cliff erosion CDS worked with the client to develop an alternative HDD design alignment and profile that would avoid long term risk to the new pipelines.
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