Extensive Database
We have an extensive GIS database of completed drilling projects to help clients plan their projects
Tailored Service
Our services are tailored to the client to ensure the most appropriate investigation equipment and methods
Mobile Team
Equipment for a variety of locations, including limited access, heli-portable, shallow water and near shore environments
Calibrated Equipment
All testing equipment is calibrated by internal and external parties to ensure accuracy and repeatability in test results
Geotechnical and Environmental Site Investigation
We have the right people with the right machines for the job.
With bases in Southbridge, Christchurch, Auckland and Fiji, we can help with water solutions throughout New Zealand and the Pacific.
Geotechnical and Environmental Site Investigation - Capabilities
- rotary coring (NQ, HQ, PQ – double, triple barrel + wireline) with optional core orientation
- rotary blast/wash (air/water/mud flush)
- rotary sonic (4×6, 6×8, DT45 & DT60 sampling – wireline) conventional & dual tube sampling
- direct push (2 3/4”, 3 1/2”) single & dual tube sampling
- hollow stem/flight auger
- cable percussive
- dynamic cone penetration (DCP – super heavy DPSH)
- standard penetration testing (SPT) – with SPT PDA Analyser
- cone penetration testing (CPT, CPTu, sCPT – 10cm2 & 15cm2 + sensitive cone)
- downhole seismic probe with true interval dual sensor (geophone)
- Marchetti flat dilatometer (DMT + sDMT)
- downhole vane shear testing (fully automated/electronic or manual Geonor)
- instrumented permeability testing including packer testing (single & straddle)
- undisturbed sampling (Gel Push, Dames & Moore, Pitcher, Push Tube – U50-U100)
- instrumentation and installations (vapour points, monitoring bores, sampling wells, piezometer/standpipes, vibrating wires, extensometers, inclinometers, borus anchors, settlement monuments)
- environmental sampling
- bore decommissioning
- trial soil/rock anchors and associated performance testing (pull out tests)
- consultation/assessment and advice
