Graham is the Dunedin Office Manager and manages the Pavement Group. He has 30 years experience, principally in Otago and has been with Tonkin & Taylor since 1991 and has been involved in a variety of major geotechnical and geohydrological projects in New Zealand in overseas. Graham also manages T&T’s Falling Weight Deflectometer programme, a non-destructure deflection bowl recording system that allows rapid data collection and analysis of pavements using an applied force pulse www.pavementanalysis.com