UNDERGROUND DIESEL TANK CLEANING - LONDON Project Linings were asked by a London Councils insurance company to carry out the annual inspection and cleaning of 2their underground diesel storage tanks. Our client had run down the tanks to virtually empty. we arrived on site, open the tank lids and pumped out the residue diesel. With all the health and safety in place and wearing the correct PPE for working in confined spaces, we safely accessed the tanks. The tanks internal surfaces were washed down with specialist detergents and wiped dry. All the dirty diesel and washings were removed from the tanks and safely disposed of off site with waste transfer notes being handed back to the client. Both tanks were opened, cleaned, closed, refilled and put back on line the same day.