Yesterday, Enbridge Pipelines Inc. filed 73 notifications with the National Energy Board (NEB) related to the correction of insufficient depth of cover on its Line 9 pipeline in the vicinity of waterbodies. It appears that most if not all of the notifications relate to the installation of protective covers over the pipe as it crosses drainage ditches. The corrective measures are being carried out following depth of cover surveys by Enbridge. As Enbridge is not required to file notifications of depth of cover work that is not in the vicinity of waterbodies or watercourses, it is not know how many other locations were identified as having insufficient depth of cover.
Under the applicable CSA standards, pipelines in agricultural lands must have no less than 2 feet of cover.
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