Grant has acted as Expert Witness on projects requiring rigour and expertise in contaminated land, geotechnical engineering and hydrogeology. He has 35 years’ post-graduate experience in engineering geology, geotechnical engineering, contaminated land, hydrogeology and remediation. He has an excellent reputation within his field which stems from his innate ability to effectively communicate, orally and in writing, technically complex matters in terms that his audience understands.

Containment systems engineering for landfills, tailings lagoons & heap leach pads • Geosynthetics engineering & use • Geosynthetics testing • Steepwall lining systems for deep quarry landfills • Composite lining systems, including clay, bentonite-enriched soil (BES), geomembranes, geotextiles • Leachate & landfill gas • Earthworks • Safety & risk in geotechnical engineering • Construction quality assurance (CQA) • Waste management & disposal • Ground investigation

Landfill operations and regulatory compliance assessments relating to environmental permits and trade effluent discharge consents • Landfill infrastructure design, construction and optioneering, including financial assumptions • Landfill odour and emissions, nuisance, leachate, gas management and energy recovery • Landfill site completion, closure and aftercare strategies • Waste sampling, characterisation and classification for regulatory compliance and process optimisation