Our Environmental Impact Assessment (EIA) team is a consortium of leading EIA 
consultants including OTEK and ARCADIS and provides EIA and Environmental Impact Statement (EIS) services around the globe to help clients with approvals needed where regulatory legislation requires an assessment to be completed.
We provide these services to all industries, with a team of leading consultants in each specific field, using project management processes that ensure either large or smaller EIAs are run smoothly with up-front planning.
The partnership works with professional leaders to perform a range of EIA activities and assessments, to find solutions to meet your company’s development needs, and combine professional services with well developed relationships with regulators in many jurisdictions.
Where specific expertise is needed, we are able to outsource to leading experts who are engaged through a quality selection process.
Hydrogeology
The partnership of OTEK and ARCADIS provide hydrogeological consulting services to the mining, exploration and construction industries from the deepest mines, large open pits and remote projects all around the world. Some of our key expertise 
includes:
- Mine Dewatering/Mine Water Control Programs (Underground and surface mines)
- Environmental Assessment and Remediation • Closure and Post Closure
- Water Supply
- Baseline Studies
- Slope Dewatering/Slope Depressurisation
- Borehole Monitoring
- Hydrogeochemistry (instrument installation and programs)
- Pit lake chemistry
- Constant Discharge – Constant Head Tests
- Packer Tests – Wireline Packer Tests
- Tracer Tests
- Airlift Recovery Tests
- Modelling (FeFlow/Modflow)
- Waste Water Management
Water Treatment Technologies
Water management is essential to mining activities, and crucial to development approvals, operation and
production, and mine closure.
It is vital that a consultant is used in EIA’s that can ensure your plans and
development adheres to relevant policies and practices in each jurisdiction, and satisfying regulators that water is well managed.
We offer an integrated approach to mine water management, combining specialist expertise in hydrology, hydraulics and hydrogeology with geotechnical, environmental and mining skills.
Experience in mine water assessment, management and treatment, including:
- Baseline studies
- Hydrologic studies linked to flood prediction
- Integrated environmental planning
- Water balance modelling
- Waste characterisation and management
- Water supply and mine dewatering
- Water management plans
- Seepage control and contamination assessment
- Quantitative contaminant modelling
- ARD, water quality and geochemistry
- Diversion (or catchment) structures and spillways
- Engineering design and procurement
- Contract management and QA/QC
- Coal de-watering technologies
- Pit dewatering and treatment
- Sludge treatment
- Groundwater modelling, and extraction and treatment
- Innovative water treatment technologies
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