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PROJECTS

 

All CURVED ALIGNMENTS DIRECTIONAL DRILLING DRILLING IN ROCK LOW GRADE INSTALLATIONS PIPE BURSTING / SLIP LINING SENSITIVE ENVIRONMENTS
  • Manukau North Local Wastewater Network Upgrade

    This Watercare contract involved the upgrading of the wastewater network in 9 separate areas in the Howick and Pakuranga area in Auckland.

  • Lawsons Creek Branch Sewer Early Works

      The Lawsons Creek Branch Sewer Early Works were a critical installation done for Watercare Services Limited and their main contractor Pipeline & Civil Limited. One particular section needed to be installed via HDD due to the sensitive bush along one side of the alignment and newly completed homes on the other. CDS were tasked…

  • Rotokauri Bulk Watermain

      CDS New Zealand Ltd worked with Head Contractor Connell Contractors Ltd to deliver the HDD component of works on the Rotokauri Bulk Watermain project for Hamilton City Council. CDS installed over 1km of 560mm OD PE pipe and over 1km of 630mm OD PE pipe from November 2017 through to June 2018 using CDS…

  • Takitimu Street Stormwater Upgrade

    The Takitimu Street Stormwater Upgrade was a Auckland Council project undertaken by CDS New Zealand Ltd. This project was commissioned by the council to increase the stormwater capacity and facilitate further development in the catchment.

    The project included;
    • A 100m shot of 630mm OD PE pipe from the bottom of Takitimu Street, under a sensitive waterway and to the Orakei Domain.
    • A second, 50m shot of 630mm OD PE pipe.
    • Construction of an energy dissipater & new manhole on the existing Orakei Stormwater Culvert – undertaken in conjunction with a specialist subcontractor, Pipeline & Civil Ltd.
    • Installation of 7 manholes and 9 catchpits.
    • Sections of open cut pipe.
    • 155m drill shot of 355mm OD PE pipe down Takitimu Street.
    • Connection of private property to the new stormwater system.

    On this project CDS used its DitchWitch® JT8020 drill rig accompanied by our Triflo mud mixing and recycling plant. For the smaller diameter installations CDS used its DitchWitch® JT4020 drill rig.

    Overall the trenchless installation of the new, upgraded stormwater system minimised disruption to the residents and resulted in significant savings for Auckland Council on their reinstatement costs. This project was completed on programme and saved Auckland Council over $130,000.00 on the original tendered price.

  • Hingaia Peninsula Trunk Sewer

    CDS installed in excess of 1.5km of DN 475 PVC pipe for this project, at depths exceeding 6m.

  • Hastings Pde Stormwater Renewals

    This project involved installing 100m of 250mm PE pipe inside an existing reinforced concrete pipe and PE pipe using pipe bursting and slip lining technologies. The existing sections of pipe had become completely blocked with tree roots. CDS also installed and rehabilitated a number of manholes and catchpits.

  • Mangawhai Pump Station and Rising Main

    This project involved installing 850m of wastewater rising main and a pump station.

  • North Waitakere Sewer

    CDS Installed 3.5km of 400mm to 630mm pipeline installed at flat grades (down to 0.13%) through varying ground conditions including rock.

  • Tauranga Te Awanui Drive Watermain Slip Lining

    CDS installed 680m of 315mm PE pipe via slip lining inside and existing 350mm PVC pipe. This pipe was installed using our DitchWitch® JT4020 drill, in 2 separate drill shots

  • Christchurch PM 128 Rising Main

    For this project CDS installed approximately 3,000m of 800mm OD PE pipe in liquefied sands in Christchurch.

  • Mellons Bay Branch Sewer

    CDS were contracted to install a single length 115m of 350mmØ gravity sewer to a grade of 0.3%.

  • Springcombe Stormwater Renewals

    CDS successfully completed a stormwater outlet drill shot, installation of 200m of 630mm OD PE pipe down the middle of a busy St Heliers Road

  • Franklin Road Stormwater Upgrade

    CDS was contracted to install 400m of 400mm Ø and 450mm Ø PE pipework by pipebursting the existing 300mm diameter stormwater pipe running under Franklin Road

 

ABOUT

CDS’s technical expertise in directional drilling has grown year on year and is now a leader in the industry with extensive local knowledge that is critical to success. CDS has never been afraid to step up to the mark for the more technical, high risk, drilling installations and prides itself at never walking away from a project until the pipe is underground and our client happy.

SERVICES

  • LOW GRADE INSTALLATIONS
  • HYDRO EXCAVATION
  • PIPE BURSTING / SLIP LINING
  • DRILLING IN ROCK
  • CURVED ALIGNMENTS
  • DIRECTIONAL DRILLING

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