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Line 5 agreement details seven ways to protects Michigan’s water

Published by
World Pipelines,


On 27 November, Enbridge entered into an agreement with the State of Michigan laying out a path forward for addressing the future of Line 5. The agreement increases collaboration and co-ordination between the State and Enbridge and contains seven key actions that move toward a long-term solution.

From an engineering and operational perspective, ongoing inspections and studies show that Line 5 at the Straits of Mackinac remains in good shape and is fit for service. The company realises its internal technical studies and understanding haven’t translated well into reassuring the public or Michigan leaders about the ongoing safe operation of Line 5. Enbridge apologises if its actions sometimes have created confusion.

Many Michiganders have joined Governor Snyder in expressing, with increasing frequency, concerns regarding the safety of Line 5 in the Straits. Enbridge not only is hearing those concerns, but is listening. Most important, it is taking actions to address these concerns.

The company hopes the agreement is a step in a positive direction to demonstrate its commitment to doing the right thing to serve Michigan and protect the waters of the Great Lakes. The Great Lakes are a treasure that must be preserved now and for future generations.

Enbridge remains committed to doing what it takes to rebuild trust and uphold its pledge to protect the environment, while safely meeting Michigan’s energy needs.

All of the actions being taken are designed to drive down risk and to further protect the waters of the Great Lakes, while making sure the State and the public are informed every step of the way.

There are seven ways this agreement protects Michigan’s water:

  • By June 2018, Enbridge will have evaluated three options for the eventual replacement of the dual pipelines in the Straits of Mackinac. The options that will be evaluated with the State include: placing a new pipeline in a tunnel under the Straits; installing a new pipeline below the lakebed of the Straits using horizontal directional drilling (HDD); and creating a trench on the bottom of the Great Lakes and placing a new pipeline in a secondary containment structure or system.
  • Temporarily shut down the operation of Line 5 when adverse weather conditions create sustained waves higher than eight feet in the Straits.
  • Put into place additional safety measures to further mitigate a potential anchor strike from boats in the Straits.
  • By June 2018, evaluate additional state-of-the-art tools and underwater technologies that could help further inspect and maintain Line 5 in the Straits and assess the condition of the coating on the twin pipelines.
  • Work with the State on plans to enhance safety and reduce the potential impacts at other Line 5 water crossings.
  • Replace the Line 5 St. Clair River crossing as soon as the necessary federal and state approvals are received. The new pipe will be installed underneath the river bed using HDD.
  • Increase co-ordination with the State regarding the operations, maintenance and future of Line 5 and promote transparency between Enbridge and the State of Michigan. State representatives will have access to Enbridge’s data, studies and will collaborate with the company every step of the way.

Read the article online at: https://www.worldpipelines.com/project-news/28112017/line-5-agreement-details-seven-ways-to-protects-michigans-water/

 

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