drilling geotechnical

Showing 1–10 of 12 results

  • Aerial view of Griffiths Drilling barge working on iRex Project in Wellington harbour

    iRex Interislander Terminals

    KiwiRail’s iReX project will provide faster, safer, more enjoyable Te Moana o Raukawakawa (Cook Strait) journeys, with less environmental impact. Our team have drilled multiple deep geotechnical boreholes and CPT tests, on land and in the harbour.

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  • Artists drawing of RiverLink concept in Lower Hutt

    RiverLink – Lower Hutt

    Te Wai Takamori o Te Awa Kairangi is a transformational project for Te Awa Kairangi ki Tai – Lower Hutt. Griffiths Drilling is proud to have been involved in Phases 1 to 4, and are about to commence on Phase 5 of this fantastic project.

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  • Griffiths Drilling drill rig working on Mackays to Peka Peka Expressway, M2PP, Wellington

    Mackays to Peka Peka Expressway (M2PP)

    This $630 million project will deliver approximately 18km of 4 lane expressway through Paraparaumu and Waikanae, including a new bridge over the Waikanae River. Griffiths Drilling has been part of this project from its inception.

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  • Aerial photo of Transmission Gully Wellington

    Transmission Gully

    Transmission Gully is the biggest road construction challenge in the Wellington region. We began exploration work in 2007 for Opus. Further work was undertaken in 2013 for MWH and NZTA, with detailed geotech investigations for Leighton Contractors and Coffey Geotechnical in 2014 and 15.

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  • Photo of Tauhara geothermal location where Mel Griffiths advised on drilling

    Tauhara Geothermal – Geotechnical Drilling Adviser & Consultant

    Mel Griffiths was engaged by Contact Energy as the Geotechnical Drilling adviser for the Tauhara Geothermal Subsidence project.

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  • Griffiths Drilling workers and drill rig working at Wind Farm

    Wind Farm

    Limited access, steep terrain, wet slippery conditions and very high winds were complicating factors. Also the rock was very fractured due to the proximity of the main fault line.

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  • Griffiths Drilling onsite at Muldoons Corner on State Highway 2

    Muldoons Corner

    This is a difficult section of SH2 which needed realignment. It’s located near the summit of the narrow Rimutaka Hill Rd and features tight corners, no shoulder and near vertical faces above and below the road.

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  • Griffiths Drilling crew members working on road improvements Dowse to Petone

    Dowse to Petone

    A $65 million road improvement carried out to enhance the traffic flow on SH2. Flexibility of resources was paramount on this project, which included 45 piles at 7 sites and a new service road, requiring soil nails.

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  • Griffiths Drilling barge and drill rig working on Centre Point Wharf piles

    Centre Point Wharf Piles

    This project was carried out over water on a barge in the very busy Wellington Harbour. As if this wasn’t enough, matters were further complicated as quality samples had to be recovered from very soft sediments.

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  • Griffiths Drilling XL Duo geotechnical drill rig

    Geotechnical Drilling Services

    Services provided:

    • Sonic drilling
    • PQ & HQ coring
    • Rotary drilling
    • SPT testing
    • Piezometer installations
    • Permeability testing
    • Downhole geophysical testing
    • Ground anchors
    • Soil nails
    • Micro piling
    • Vacuum excavation
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