Enbridge Inc. ENB recently received a permit from the United States Army Corps of Engineers to provide anchor support for the Line 5 petroleum pipeline under the Straits of Mackinac, in the state of Michigan. Following the approval, the company began the installation of 54 steel supports to the pipeline, as erosion created a gap between the lake bottom and the pipe. In early August, the company stated that a stretch of lakebed had washed away, which left around 81-foot stretch of the pipeline without any support, almost six feet longer than the permissible limit. The installation of the support is expected to be completed by the end of this week. Notably, the company has installed 147 anchor supports on the Line 5′s dual pipes since 2002, in order to deal with a similar problem. The Line 5 has attracted interests from several environmental and tribal groups, who are rooting for the pipeline’s retirement. They are wary of the oil line’s present state and fearing that the pipeline could lead to a potential spill. Enbridge intends to install a multi-use utility tunnel that is to be drilled through the bedrock of the channel and decommission the 66-year old pipes. The company...