Enbridge Line 5: Great Lakes Tunnel
Enbridge Inc., a multinational pipeline company headquartered in Calgary, Alberta, Canada, is embroiled in a decade-long controversy over the construction of the Great Lakes tunnel beneath the Straits of Mackinac connecting Lake Michigan to Lake Huron. The company’s intent is to route a segment of Line 5–part of a system of Enbridge pipelines carrying oil from western Canada to eastern Canada–through the proposed tunnel. The segment of Line 5 that passes through the environmentally sensitive Straits of Mackinac consists of two 20-inch diameter pipes running parallel, about 1,000 feet apart, for 4.5 miles at a depth of up to 270 feet. These two pipes carry a total of 23 million gallons of crude oil and petroleum products per day and are known as the Great Lakes Tunnel or Enbridge Line 5. Surety Bond Professionals is a family owned and operated bonding agency with over 30 years of experience. With access to a broad range of surety markets, our expert agents are ready to assist with all of your construction bond needs. Great Lakes Tunnel: A Controversial Project They completed construction on Line 5 in 1953 but, despite its age, Enbridge states it’s in good condition other than the outer...
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