DRILLING
Griffiths Drilling offers a comprehensive range of drilling services. Each service is backed-up with our considerable drilling capability, technical expertise and vast practical experience that comes from operating for over 50 years within the New Zealand drilling industry.
Geotechnical Drilling
Griffiths Drilling provides expert geotechnical drilling services using advanced equipment for soil sampling, borehole installation, and site investigation. Our experienced team adapts to various ground conditions to deliver accurate, reliable data for construction and environmental projects.
Sonic drilling
PQ and HQ coring
Rotary drilling
SPT testing
Piezometer installations
Vibrating Wire Piezometer Installations
Inclinometer Installation
Permeability testing
Downhole geophysical testing
Environmental sampling
Test Pits
Mechanical Auger Testing holes
Ground anchors
Soil nails
Micro Piling
Vacuum excavation
Geoscience testing
We offer precise geoscience testing services, including Cone Penetration Testing (CPT), dynamic probing, and core sampling, to provide critical subsurface data on soil behaviour and capacity. Our efficient testing ensures accurate information for site investigations and construction planning.
Cone Penetration Testing (CPT)
Small diameter Piezometer installations
Window sampling (new)
Direct push sampling
Core liner sampling
Heavy dynamic probe (DPSH)
Scala penetrometer testing
Hand augers
Field resources and logging services
Well Drilling
Our hydrology services include groundwater monitoring and aquifer testing to assess water conditions. We provide essential data for water management, environmental impact assessments, and infrastructure projects, ensuring sustainable use and protection of water resources.
Municipal water supply bores
Water exploration bores
Irrigation bores
Commercial supply bores
Domestic supply bores
Water monitoring bores
Pump install and servicing
Bore head refurbishment
Bore and bore-head design
Casing integrity testing
Pump testing & design
Water quality testing
Flow testing
Downhole camera assessments
Special Projects / Marine / Rail / Remote Access
Over 50 years of geotechnical expertise in challenging New Zealand locations.
Our specialist drilling and testing services cover marine environments, rail networks, and remote sites, including helicopter access. We provide comprehensive site investigations, soft marine soil sampling including sonic drilling, and the patented Aqualock soil sampling system for marine and alluvial deposits along with all our other drilling and testing technics, ensuring accurate data for your critical infrastructure projects.
Our experienced teams and specialised equipment overcome logistical hurdles to deliver reliable results, no matter the terrain. From offshore platforms to remote rail corridors, trust us for your complex drilling and testing needs.
underground utility service locating
Griffiths Drilling uses advanced detection methods, like ground-penetrating radar (GPR), to accurately locate underground utilities. This helps prevent costly damage and ensures safety during excavation and construction activities.
Ground Penetration Radar (GPR)
Utility Mapping
Vacuum Excavation
