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Fortify Geotech

Mascot, NSW 2020


About Fortify Geotech

“Although we are a relatively new company, our history as a geotechnical and geological consultancy has spanned over 30 years.”

We initially operated in Canberra in 1985 as Peter J Burgess & Associates, before forming ACT Geotechnical Engineers in 1994, and then expanding through NSW as Fortify Geotech.

Our highly capable engineers and geologists have a comprehensive understanding of the industry.

All of our engineers are members of the Institution of Engineers Australia, the Australian Geomechanics Society, and the Australian Geological Society. Most of our engineers also have postgraduate qualifications.

Those in the know seek our advice first on complicated geotechnical engineering issues.

We are a mix of young and experienced engineers and engineering geologists. Our enthusiastic approach, good quality advice and efficient service has earned us a solid reputation within the construction industry.

Reputable geotechnical engineering solutions in NSW

We provide clients with a range of comprehensive services, including:

  1. Geotechnical site investigations
  2. Geotechnical engineering report
  3. Engineering geology
  4. Foundation engineering
  5. Dam engineering, embankment design & specification
  6. Instrumentation and monitoring
  7. Slope instability and risk assessments
  8. Footing certifications
  9. Supervision and certification of earthworks and controlled fill, including Level 1 and Level 2 supervision
  10. Excavated soil/rock assessments
  11. VENM and waste classification assessments
  12. Pavement engineering and design (inc. vibration monitoring)
  13. Point load (UCS testing)
  14. Effluent disposal (wastewater) assessments to AS1547
  15. Soil electrical resistivity testing
  16. Ground vibration monitoring

Our successful and timely completion of highly complex projects confirm our position as Sydney’s geological experts for the engineering and construction industry.

Client: DECC/Richard Crookes

Location: Belmont Street, Alexandria

Our involvement:

  1. Potential settlement and CBR assessment
  2. Footing and building pad inspections
  3. Scaffoldingf certification
  4. Batter stability advice

Temporary shoring and adaptive geotechnical solution.

Client: DECC

Location: Riley Street, Surry Hills

Our involvement:

  1. Existing capping beam bearing pressure assessment
  2. Piling rig foundation certification.

Client: Canberra Data Centres/Hindmarsh Construction

Location: Roberts Road, Eastern Creek

Our involvement:

  1. Geotechnical investigations
  2. Soil Sampling
  3. Point Load Rock Strength Testing
  4. Mobile Crane foundation certification
  5. Controlled fill Certification
  6. Footing Inspection
  7. Scaffolding Foundation Certification

Long Street Quarry – Goulburn

The disused Long Street Quarry was a set for the feature film “Hacksaw Ridge”, where actors/stunt men had to climb up and down faces of the quarry. The section of cliff face that was used for filming was located at the northern end of the quarry, and comprised a ~20m high vertical cliff face, with a ~8m/10m high scree pile at the toe.

ACT Geotechnical Engineers conducted a geotechnical slope instability risk assessment of the cliff face prior to filming. This assessment identified three features at this location as having a “high” or “very high” risk of slope instability, including the risk of rock falls from the face, loose material at the top edge of the cliff, and instability of the scree at the toe. To ensure the safety of actors/stunt men, ACT Geotech provided recommendations to stabilise the cliff face, which ACT Geotech then check to make sure they were implemented correctly.


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  • 2/538 Gardeners Road, Alexandria NSW 2020, Australia

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