geotechnical core samples

Showing all 8 results

  • 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.

    Read more
  • 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.

    Read more
  • 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.

    Read more
  • 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.

    Read more
  • 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.

    Read more
  • 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
    Read more
  • Water bore working for Griffiths Drilling Wellington, NZ

    Hydrology Services

    Services provided:

    • Municipal water supply bores
    • Water exploration bores
    • Irrigation bores
    • Commercial supply bores
    • Domestic supply bores
    • Water monitoring bores
    • Pump install & servicing
    • Bore head refurbishment
    • Bore & bore head design
    • Casing integrity testing
    • Pump testing & design
    • Water quality testing
    • Flow testing
    • Downhole camera assessments
    Read more
  • Griffiths Drilling doing geotechnical exploration work at Waiwhetu Stream

    Waiwhetu Stream

    This project required 35 boreholes and 23 CPTs. Sites included working on the road for bridge pile information, open public areas alongside the stream and in the confirms of industrial operations and a Holiday Park.

    Read more