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AUSTRALIA'S Premier drilling contractor
Numac Drilling Services is Australia’s premier environmental, geotechnical and sonic drilling contractor operating out of permanent locations in Brisbane, Melbourne and Sydney. With 20 years’ industry experience, an innovative, up-to-date drill rig fleet and highly-skilled team, we can confidently say we have Australia’s drilling and site assessment needs covered.
Our extensive industry experience ranges from cone penetration tests and small-scale environmental investigations through to full remote camp mining projects and major international infrastructure projects. Numac provides Australia’s most comprehensive suite of High Resolution Site Characterisation (HRSC) systems for contaminated land assessments and investigations as well as some of the most powerful sonic drilling rigs on the market. This enables us to provide a complete range of drilling and site investigation solutions, such as:
SONIC DRILLING
Sonic drilling is ideal for geothermal applications, and Numac is one of Australia's leading sonic drilling companies. We operate a fleet of powerful crawler-mounted sonic drill rigs from our Queensland, New South Wales and Victoria depots, and conduct a diverse range of works for projects of all sizes and scopes. No matter how challenging the scenario, Numac offers a sonic drilling solution to suit your project requirements and budget.
ENVIRONMENTAL DRILLING
Our environmental drilling services include High Resolution Site Characterisation (HRSC), direct-push sampling, monitoring well installation, rotary air and down the hole hammer drilling (rock drilling), SP16 in-situ groundwater sampling, pre-packed well installation, solid and hollow stem augers, and hydro excavation.
GEOTECHNICAL DRILLING
With one of Australia’s most advanced and diverse drill rig fleets operating out of Melbourne, Sydney and Brisbane, Numac leads local geotechnical drilling companies in the provision of geotechnical solutions. Our services include diamond coring, cone penetration testing (CPT), instrument installations (inclinometers, thermocouples, VWPs, etc.), and pneumatic and hydraulic packer tests).
IN-SITU CHEMICAL OXIDATION (ISCO)
In-Situ Chemical Oxidation (ISCO) is an environmental remediation technique used for soil and groundwater remediation to reduce (or eliminate) concentrations of contaminants to safe levels. With a range of injection systems to suit all applications and mobile skid-mounted units which can be positioned anywhere on site, Numac can tailor an ISCO solution to your specific project requirements.
THIRD-PARTY ACCREDITED SYSTEMS
As leading drilling contractors with an exemplary track record, our safety, quality and environmental management systems are all third-party accredited. This accreditation provides client confidence and ensures we can get on any site with minimal effort to our clients.
Numac has over 10 years experience in chemical injection for the purpose of in-situ chemical oxidation/reduction (ISCO/R). This system seen in this video is the result of 10 years of deveopment and continual improvement of the process.