The duration of the unplanned outage, combined with storage capability and optimization of Enbridge system flexibility minimized impact on crude oil production and deliveries. Enbridge appreciates the cooperation of shippers on the Enbridge system in realigning deliveries which facilitated operations on Lines 1, 2 and 4 that returned to service starting the morning of November 29, 2007.
Repairs were conducted continuously over the weekend, overcoming the challenges of a major winter snow storm in Minnesota on Saturday. A segment of pipeline approximately 180 feet long was replaced and the pipeline has been returned to pre-incident operating pressures following consultation with the Federal pipeline safety regulator, the U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration (PHMSA).
Clean-up of the site also progressed over the weekend with all oil and the majority of impacted soils removed from the area. The volume of oil released was estimated to be 325 barrels, which was largely contained in the trench that had been excavated to facilitate the planned maintenance. Contaminated soil was excavated and transported to an approved facility. While environmental impacts are expected to be minimal, Enbridge will continue to work with the U.S. Environmental Protection Agency and the Minnesota Pollution Control Agency to complete the environmental cleanup of the site.
Via: Scandinavian Oil
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