Decommissioning volatile pressure vessels on a Petrochemical site The volatile chemicals stored within the Vessels - with the commensurate risk of explosion - made Abrasive Cold-Cutting the safest decommissioning procedure. Gnat UK removed the top of the vessel with high-pressure hydro-abrasive cutting equipment using track-based manipulators to guide the Cold-Cutting Heads accurately. Hazardous Waste Removal Specialists removed any remaining chemical residue, and the Bunded