While a construction company was performing road work that included excavation, a backhoe struck and damaged a gas line not located and identified. Gas escaped into the basement of a building and exploded, killing seven people. The gas distribution company pleaded guilty to failing to ensure that gas services near an area to be excavated were accurately located and marked before the excavation began and was fined $350,000. It also pleaded guilty to violating regulations under the Technical Standards and Safety Act, 2000 and was fined an additional $350,000. The utility company pleaded guilty to failing to adequately supervise a worker during the locate process and was fined $200,000. And the excavator pleaded guilty and was fined $225,000 [Enbridge Gas Distribution Inc., Precision Utility Ltd. and Warren Bitulithic Ltd., Govt. News Release, Dec. 16, 2011].