Quarry and Mining Services

We provide niche geotechnical and engineering support to the quarry and mining industries.

An important part of our service involves gaining a key understanding of project requirements. We work as a team with our client and other supporting consultants to deliver a cost-effective design solution.

Understanding and management of risk is a key element of the support services we provide.


We have worked on a wide range of projects in New Zealand and overseas, at various stages of development including:

  • Prospect identification and evaluation
  • Resource management and land use consents
  • Feasibility and detailed design
  • Construction supervision and monitoring
  • Site restoration and closure

Our quarry and mine project experience includes:

  • Opencast coalmines
  • Opencast goldmines
  • Overburden disposal
  • Tailings dams
  • Rock and alluvial aggregate quarries
  • Limestone quarries 

Our services can be tailored to meet your requirements, and include:

  • Geotechnical

- Site investigation

- Engineering geological modelling/assessment
- Groundwater
- Cut-and-fill slope design
- Risk assessments

- Foundation design

- Heavy pavements
- Tailings dams

- Earthworks monitoring and control

  • Water management

- Stream diversions

- Stormwater management
- Sediment control

  • Environmental

- Air quality/dust

- Vibration assessments

- Ecology studies

- Water quality

- Assessment of environmental effects
- Contamination


Mining Projects:

Awaroa Pit 4, Rotowaro Mine

For Solid Energy New Zealand we completed structural and geotechnical grand assessment, slope design, and backfill and restoration design.

Cypress Mine, Mt William North Mining Project

For West Coast Regional Council we completed assessment of technical supporting documentation (water management, geotechnical, acid rock drainage, and ecology/biodiversity offsets), preparation and audited the report, reviewed the proposed conditions of consent and provided ongoing peer review after the consent period.

Quarry Projects:

Belmont Quarry, Wellington

For Winstone Aggregates we completed geotechnical investigation and design for quarry pit slopes and geotechnical investigation and design for overburden disposal.

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