Presenters from USA and Australia will cover many of the technical developments that are now available to manage contaminated sites in a more efficient and sustainable manner. These range from direct sensing tools, mobile labs and discrete groundwater samplers for high-resolution site characterisation (HRSC) to low- and high-pressure injection technologies

A hydraulic packer test is a common method used in hydrological studies to assess the properties and behavior of aquifers, specifically their permeability and transmissivity. This test involves isolating a specific interval within a borehole using an inflatable packer and conducting a controlled hydraulic test to measure the response of the aquifer.

The drilling industry is not for the faint of heart. It requires resilience, adaptability, and a thirst for knowledge. At Legion Drilling, we pride ourselves on tackling some of the most challenging projects in the field, constantly pushing boundaries and exploring new frontiers.

Having the latest Geotechnical testing methods at your disposal is vital in todays competitive site assessment industry. The Standard Penetration Test (SPT) and Cone Penetration Test (CPT) offer valuable insights into soil properties and stratification. The Seismic Cone Penetration Test (SCPT) adds

Legion’s experience injecting slurries into overburden, transition zones, and fractured bedrock settings makes this partnership a natural and complementary fit. The trend towards in-situ management of PFAS versus groundwater extraction

Most environmental consultants would never allow soil samples to be taken with auger methods in soils that could would be conducive to direct push methods. It is important to carefully follow sampling protocols and to use proper decontamination techniques between sample locations.

Legion Drilling was created for this buyout by Numac’ s long time General Manager. As part of the purchase agreement Legion acquired the rights to continue using the Numac name. This helped ensure a smooth..

Recently captured a couple of great shots with crews undertaking drilling works on the Sydney “Metro” project in New South Wales (NSW). The image above shows one of our Boart Longyear DB520 Multipurpose rigs completing an 50m HQ3 geotechnical core location in the shadow of the HMS Endeavour replica.

Measuring the load capacity of class 18 PVD threaded well casing. How deep do you think you could hang a 50mm. PVC well?

The next presentations will be dedicated to MiHPT (Membrane-Interface & Hydraulic Profiling Tool) and UVOST (Ultra-Violet Optical Screening Tool), two direct sensing tools that have revolutionised the way we investigate contaminated sites thanks to their high resolution and real-time visualisation capabilities.

At Numac we thrive on providing solutions for challenging drilling programs. Our loyal clientele return for the support of a drilling contractor that can deliver in high risk and high performance situations.

BOS 200® has been implemented in hundreds of sites to effectively treat LNAPL source zones, fuel oxygenates, alcohols, glycols, and cyclic ethers. BOS 200® is a complete system effecting accelerated biodegradation processes on an activated carbon platform that includes

Sydney based R20 Sonic crews have been on a 13 week tour which included quarantine, 4 states, 4 projects and a total of 6400km mobilization. Project requirements included 150mm production bores, Environmental monitoring wells, and Vibrating Wire Piezometers for a Geotechnical client. The rig completed projects in Queensland, South Australia, Northern Territory and New south wales.

Despite its small stature the Geo 205 is still capable of HQ coring to 30m quite comfortably and it automatic SPT hammer ensures safe operation. The tight squeeze is assisted but fully remote control operation allowing the driller to keep well out of harm’s way.

The bore shall be constructed by a suitably qualified driller who possess the appropriate experience and the relevant class of licence that the state or territory deem necessary. An appropriately licenced driller shall be on site at all times during bore construction and decommissioning activities.”

Never a dull day as a drilling contractor. Our drill crews in Adelaide were part of the government PR machine this week undertaking a deep groundwater monitoring program

Geoprobe 6620 (R1) returns to service in 2020 after a full refit and upgrade by the Numac maintenance and engineering team. View a short video of the results.

At this point, 20+ years into the development of direct sensing technology there have been a multitude of arguments presented touting the technical and financial advantages of High-Resolution Site Characterisation (HRSC) using Membrane Interface Probe (MIP), Ultra-Violet Optical Screening Tool (UVOST) and Hydraulic Profiling Tool (HPT). 

To better service north QLD clients we now have a Geoprobe 7822Dt operating from a satellite base in Cairns Australia.

This short video is a small window into what kinds of drilling projects are going on at Numac on any given day. As a tier 1 drilling contractor we can provide high quality drilling services including Sonic, remote access diamond coring, geotechnical, overwater and contaminated land investigations with Geoprobe machines.