About us

EGL is a well-established specialist consultancy providing geotechnical, earthquake and dam engineering services for a wide range of projects. Founded in 1986 our team has provided services for more than 8,000 different jobs. Our practice is a member of the following organisations:

• Association of Consulting and Engineering  (ACE New Zealand)
• Engineering New Zealand (ENZ)
• New Zealand Society on Large Dams (NZSOLD)

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What We Offer

EGL's work is mainly based in New Zealand, but we have also worked on large projects in Australia, New Caledonia, Indonesia, Papua New Guinea, Fiji, Laos, Philippines, Africa and Eastern Europe. Our services include:
  • Site investigations
  • Geotechnical reports
  • Pre-purchase geotechnical site suitability inspections
  • Geotechnical feasibility studies
  • Geological studies
  • Slope stability assessments and stabilisation
  • Foundation design recommendations
  • Retaining wall design
  • Earthworks design
  • Ground improvement design
  • Design of irrigation and water supply embankment dams
  • Design of tailings dams and associated mining facilities
  • Dam safety reviews
  • Contract document preparation and administration
  • Site specific seismic hazard assessment
  • Earthquake design issues including liquefaction
  • Geotechnical construction monitoring and certification
  • Expert evidence
  • Independent and Peer reviews
  • Forensic investigations

Want expert engineering advice for your project?

Get in touch

Meet OurTeam

EGL has a dedicated team. Our two directors are Dr Trevor Matuschka and Rambod Amigh who are both Chartered Professional Engineers and together have more than 60 years of professional experience in geotechnical and civil engineering and engineering geology.

Trever is a specialist in seismic analyses, geotechnical engineering and design of dams and Rambod is a specialist in geotechnical engineering and design and construction of water storage and tailings storage facilities.

EGL also employs an enthusiastic team of experienced geotechnical engineers, engineering geologists, field geologists and clerical staff.

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TREVOR MATUSCHKADirector
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RAMBOD AMIGHDirector
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DAVID LORIER-MAYSenior Engineering Geologist
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PAUL CARTERSenior Geotechnical Engineer
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CALVIN WUSenior Geotechnical Engineer
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ERIC TORVELAINENSenior Geotechnical Engineer
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YUANZHI CHENGeotechnical Engineer
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NATHAN TANGeotechnical Engineer
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STEPHEN DALBY

Engineering Geologist
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Lee Moule

Geotechnical Technician

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MAIAH COSSILLGeotechnical Technician
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JEREMY YEATSConsultant
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JASON LEELead CAD Operator / Designer
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SUE BARKERSenior Administrator
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JEREMY YEATSConsultant