Today's expert is all about finding where underground infrastructure has been buried beneath our roads, lawns and footpaths.
Every day in 2020 there were up to 30 'strike reports' of damage being done to utilities below ground surface, because of inaccurate information or moving landmarks historically used to mark their place.
Sam Wiffen is the CEO of Reveal, a company specialising in mapping where vital infrastructure really is and helping to avoid power cuts, water shut downs and internet disruptions.
Photo: RNZ / Jimmy Ellingham
