Sunoco pipeline to cross 270 properties in westmoreland county _ triblive

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Officials from Sunoco Logistics have begun contacting residents who will be affected by construction of the company’s Mariner East II pipeline project, expected to cross about 270 properties in Westmoreland County.

The 20-inch pipeline will run parallel to Sunoco’s 12-inch Mariner East line, with both carrying propane, ethane and butane to the company’s Marcus Hook plant in eastern Pennsylvania.

Sunoco Communications Manager Jeff Shields said Mariner East II will cross about 2,700 properties between eastern Ohio and its Marcus Hook plant.

“Our construction probably won’t begin until summer,” Shields said. “We’re still awaiting our permits, and we’re dependent on those.”

During the winter, Sunoco focused on cutting trees along the pipeline path, work that had to be completed by the end of March so bats coming out of hibernation to nest were not disturbed.

Shields estimates construction will take between six and nine months.

“We’ll have multiple sections starting at once, and then we’ll connect those up,” he said.

Mariner East II will have the capacity to pump up to 450,000 barrels of natural gas liquids per day. In fact sheets for the project, Sunoco noted the potential for an additional 16-inch pipe that could carry 250,000 barrels per day along the route if demand is great enough.

“If there’s not enough shipper interest, the project won’t happen,” Shields said about the third pipeline.

When Mariner II construction starts, the pipes will be laid 4 feet underground. In areas that include wetlands, historic designations or road crossings — for example, where the pipe will cross Old William Penn Highway near Borland Farm Road in Murrysville — Shields said the construction process involves digging deep underground and pulling the pipe through without disturbing the surface.

Shields said the process should not require road closures.

“Basically, right now, we’re trying to keep municipalities updated on what we’re doing,” he said. “As construction draws closer, we’ll be in more direct contact with residents.”

For more on the project, see SXLpipelineprojects. com.

Patrick Varine is a Tribune-Review staff writer. He can be reached at 724-850-2862 or pvarine@tribweb. com.

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