Emptied, cleaned, and demolition of 13 tanks that previously held bunker fuel oil which had previously been burned to generate electricity. 9 of the tanks were approximately 50 feet tall and 273 feet in diameter with steel walls approximately 1 to 2 inches thick. The other tanks were also approximately 50 feet high and 160 foot in diameter, accept the cutter tank which was only 90ft in diameter. Over 5 million gallons of water were treated and generated with a cleaning process.