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Graham Topp

Associate Director

Australia - Construction 2020
Expert Information
Qualifications BSc Quantity Surveying
MSc Construction Law
Professional Memberships MCIArb, MAIQS, AMAE
Contract Experience AS4000, AS4902
Services Quantum
Sectors Buildings, Transportation Infrastructure, Industrial & Manufacturing, Power & Utilities, Resources
Expert Highlights
  • Widely experienced quantity surveyor
  • Quantum expert for a tunnelling project in Australia
  • Quantum expert for a residential development in suburban Brisbane.
  • Lead assistant to the expert on numerous mining related project disputes.
  • Extensive claims preparation and defence experience in the UK, Asia and Australia.

Graham Topp is a chartered quantity surveyor with the Royal Institution of Chartered Surveyors and a certified quantity surveyor with the Australian Institute of Quantity Surveyors. He is regularly appointed as quantum expert for matters determined in formal dispute resolution proceedings.

Graham Topp draws praise for his adept handling of quantum matters, with one source stating, “Graham’s articulation of the reasoning behind his assessments is persuasive.”

Graham possesses a wealth of experience from working on a diverse range of projects in the oil and gas, civil infrastructure, petrochemical, mining, residential and power industries. These projects have ranged from capital maintenance schemes to multi-billion-dollar pit to port debt funded mining projects.

Graham has extensive contract management experience, including measuring and valuing, claims defence and preparation, procurement and other related quantity surveying functions.

Graham mainly operates from HKA’s Brisbane office and is regularly appointed to quantum matters throughout the Asia-Pacific region. His areas of expertise include the quantification of defective works, the valuation of delay and disruption costs and the quantification of variation and additional work claims.

Graham is a member of the Chartered Institute of Arbitrators. He holds a BSc in quantity surveying and a master’s in construction law.

Contact Graham
Location Brisbane, Australia