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)

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

Meet OurTeam

EGL also employs an enthusiastic team of experienced geotechnical engineers, engineering geologists and civil designers specialising in dams, tailings and rock storage facilities, landfills, and residential and commercial developments.

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TREVOR MATUSCHKADirector
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Eric TorvelainenDirector
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DAVID LORIER-MAYSenior Engineering Geologist
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PAUL CARTERSenior Geotechnical Engineer
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Riette MathewsSenior Civil Designer
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Rebecca FarrantGeotechnical Engineer
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VIs (YUANZHI) CHENSenior Geotechnical Engineer
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DANG NGOC TRANProject Engineer - Dams & Infrastructure
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STEPHEN DALBY

Engineering Geologist
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Yuri WangGeotechnical Engineer
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ANDY HOPESenior Geotechnical Engineer
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JEREMY YEATSConsultant
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NATHAN TANGeotechnical Engineer
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SUE BARKERSenior Administrator
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JEREMY YEATSConsultant
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Sam kangGeotechnical Soils Technician
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JOHN FRENGLEYEngineering Geologist
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LILLIAN DING

Geotechnical Engineer