Working on behalf of a demolition contractor, Hydrotec was tasked with removing waste oils from a distribution pipework network running across a site. The pipework extended for more than 550 meters, with diameters ranging from 14" to 36". The largest section of pipework was approximately 70% full of waste oil, with the total volume of waste contained within the network estimated at around 340m³. The Solution Hydrotec deployed specialist pigging equipment to systematically cle
