what type of pipeline is enbridge line 5

Public support for our Line 5 tunnel plan has come from elected officials, policy experts, business leaders and media columnists—from Michigan and elsewhere. Dear Editor: Enbridge Line 5, a 67-year-old Canadian oil pipeline, starts in Superior, and traverses east using the upper Great Lake states for a shortcut to its destination in Sarnia, Ontario. Line 5 carries oil from Superior, Wisconsin, across Michigan’s Upper Peninsula, through northern Michigan, down to the thumb region, and under the St. … Across the entire Enbridge liquids pipeline system, the total number of reportable spills between 2005-2014 was 763 with a total volume of almost 4 million gallons of product spilled. Unfortunately, even the most sophisticated leak detection system is not fool-proof. (Dale G Young/Detroit News via AP, File) IRON MOUNTAIN — … As a result of the exercise, we identified areas that need improvement. According to Enbridge, approximately 15 billion barrels of crude oil and liquids were transported in their pipeline system over the last 10 years and 99.9994 percent of that volume was delivered safely. The time required to close a valve includes the time it takes to determine that closure is needed, the time for the personnel to arrive on site, and the time it takes to actually operate the valve. There are circumferential welds that joins one section of pipe to another. She lived along the Kalamazoo River about 13 miles downstream of the Enbridge Line 6B spill in July 2010. Line 5 in Michigan: Consider the alternative, Straits of Mackinac maritime operations center now fully operational, Voices of support: Line 5 and the Great Lakes Tunnel, Fact sheet: Line 5 Straits of Mackinac tunnel, Interactive webpage: Bolstering safety at the Straits, Line 5: A vital piece of Michigan's energy infrastructure, Did you know? THE EAST LEG of Enbridge Inc.’s Line 5 pipeline near St. Ignace. According to Enbridge, in-line inspections in the Straits have never indicated a problem or need to conduct an integrity dig. We participated as staff in the Emergency Operations Center, which serves as a central location for officials to coordinate response efforts, make decisions, and gather and disseminate information. Families and businesses in the Upper Peninsula rely on Line 5 to meet 65% of their propane demand. East Leg of Line 5. Line 5 helps heat Michigan homes, schools, hospitals and businesses, fuels vehicles, and powers industry by safely and reliably transporting light crude oil, light synthetic crude oil and natural gas liquids (NGL). Keeping a watchful eye with human and automated resources. The pipelines are generally operated around 200 pounds per square inch (psi), with a daily range of 0-300 psi. However, there is an inherent risk associated with pipelines and accidents happen. They start underground onshore, taper deep underwater and cross the Straits for 4.5 miles. Line 5 remains crucial to Michigan manufacturing, The light oil transported through Line 5 meets increasing demand from refineries in Michigan and Ohio. On your next visit, you'll find a shortcut to this page in the main menu. Click to remove it from your list. Cathodic protection is a technology that uses direct electrical current to counteract the normal external corrosion of a metal pipeline. Enbridge’s energy infrastructure traversing the state—which also includes the Line 17, Line 78 and Line 79 crude oil pipelines, and the Vector natural gas pipeline—has helped fuel quality of life in Michigan for more than 65 years. What does it carry? Families and businesses in the Upper Peninsula rely on Line 5 to meet 65% of their propane demand. Northern Michigan Sub-Area Contingency Plan. Safety is not just a core value at Enbridge—it’s the foundation of everything we do. Learn more about our energy infrastructure assets in Michigan, our commitment to pipeline safety, the economic benefits we bring, and more. Line 5 is part of Enbridge's Lakehead network, which carries oil from western Canada to refineries in the U.S. and Ontario. So Enbridge line five, the dual pipelines that run beneath the straits of Mackinac have actually been in existence since 1953. A manually‐operated valve must be closed by pipeline operating personnel who must be present at the valve site. The time it takes to close the valve may include time that is spent verifying that a rupture has actually occurred, and then the time it takes for the valve to close. One of those pipelines is the aging Line 5, which carries oil under the Straits of Mackinac, a 4.5-by-30-mile stretch of pristine water where the tribe has fishing rights. In total, Enbridge has 4 wholly-owned pipelines in Michigan, totaling about 930 miles of pipe: Line 5 traverses through Northern Michigan, Line 6B traverses across Southern Michigan, and Line 17 and Line 79 feed markets in Detroit and Toledo. Starting Sept 2013, this column displays "volume released unintentionally" for all years after 2009. Enbridge believes that the tunnel project is the best long-term solution for Line 5 moving forward. The rest of Line 5 has a minimum wall thickness ranging between 0.312 to 0.500 inch. The line runs under the Straits of Mackinac. The valve on the west line automatically closes if pressure levels fall below 65 psi and the valve on the east line automatically closes if pressure drops below 45 psi. Line 6A originates in Superior, Wisconsin and terminates in Griffith, Indiana. These welds were x-rayed and pressure tested prior to the line being put into operation. Celebrating 40 Years of Protecting Northern Michigan's Water Resources, Great Lakes Restoration Initiative Projects, Stormwater Management and Green Infrastructure Tools, Wetland Management, Creation, and Restoration Tools, Agreements between Enbridge and the State of Michigan, Northern Michigan Pipeline Symposium (2014), Participating Agencies - Pipeline Symposium, Northern Michigan Pipeline Workshop (2015), Pipeline Improvement and Preventing Spills Act. A variety of leak detection methods are employed including aerial patrols, line balance calculations, remotely monitoring pressure and flow from a control center, and using a computational pipeline monitoring system. Proactively advancing the safety of communities, and protecting the environment, will always be our top priority. Another large-scale exercise for the Straits of Mackinac is planned for the fall of 2015 and the Watershed Council will once again be participating. The most recent in-line inspections at the Straits were conducted in 2013 and the next inspections are scheduled to be performed in 2018. Figure 1: ... as well as the gap between the top cross member and the pipeline as shown in Figure 5 … Response readiness goes beyond equipment. Pipeline operation and maintenance practices and integrity management programs are supposed to minimize the risk of a pipeline accident that could threaten the environment or nearby communities. The subarea plan for our region is the. Smaller leaks can go undetected for long periods because they do not trip pressure or flow alarms. The pipelines in the Straits are buried 15 feet deep until a depth of 65 feet of water. What is Enbridge Line 5? (The above data is adapted from information provided by Enbridge, there have never been any prior, current or future plans to move heavy crudes through Line 5.”. Shutting down Line 5 has serious implications, for residents of Ontario and Quebec, as well as Michigan itself. There are only two major crude oil pipelines in Northern Michigan. Find out how Enbridge safeguards the Great Lakes at our Line 5 Straits of Mackinac crossing, through a series of overlapping safety precautions. According to Enbridge, the quantity of oil that could be released without being detected by line balance calculations or the computer pipeline monitoring system is approximately 140,700 gallons per day! FLOW’s team of lawyers and scientists has helped spark and define a growing public call to stop the flow of oil in Line 5 … Built in 1953, the two 20-inch-in-diameter “Line 5” pipelines owned by Canadian company Enbridge, Inc., lie exposed in the water along the public bottomlands of the Mackinac Straits. Enbridge has developed tactical plans for the Straits of Mackinac, Indian River, and Pigeon River areas. Line 5 was constructed of steel and was installed with corrosion protection measures including a coal-tar enamel coating on the outside of the pipeline as well as cathodic protection. The 20 inch diameter pipes in the Straits of Mackinac have a wall thickness of 0.812 inches. Similarly, Line 5 delivers 55% of Michigan's statewide propane needs. This page has been added to your list of favorites. We take special precautions to protect the Great Lakes. An. Helps create more than 6,000 everyday products for consumers across America. The light oil transported through Line 5 meets increasing demand from refineries in Michigan and Ohio. Learn more about Enbridge's $500-million Great Lakes Tunnel Project and our Line 5 pipeline, which has been energizing Michigan since 1953. Line 5 moves products that heat homes and businesses, fuel vehicles, and power industry throughout the state. The Watershed Council is working on obtaining the results of the in-line inspections to have a third party confirm the integrity of the pipeline within our service area. The exercise brought together key people who will need to work in tandem, should a real life emergency occur. Michigan’s Governor Gretchen Whitmer and the director of the state’s Department of Natural Resources have revoked Enbridge’s easement for the operation of … In a Wildlife rescue training by consolidating them into one emergency response plans be to! Were conducted in 2013 and the next inspections are scheduled to be performed 2018... These automatic shut-off valves planned for the pipeline but is subject to a lot of risk joins section. Year and more, if warranted periods because they do not trip pressure flow. The use of dispersants and other substances or mitigating devices residents of Ontario and,... And actually placed the pipelines located at the Straits to make sure valves can be by. 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