ANCHORAGE (AP) Alyeska Pipeline Service Co. has scheduled five short-term shutdowns of the pipeline over the next several weeks to upgrade safety valves.
Work on the remote gate valves along the 800 miles of the trans-Alaska pipeline will last four hours for each shutdown, pipeline officials said.
The valves are throughout the pipeline and are designed to close in an emergency, trapping and limiting the amount of oil that could spill if the pipeline ruptures.
The shutdowns will not affect North Slope production or tanker loading in Valdez, officials said.
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