Township News

Posted on: March 28, 2017

Sunoco Newsletter & Overview of Project

Sunoco Newsletter

The Sunoco Newsletter can be found by clicking here


Overview of Mariner East Project

Mariner East 1 — The Mariner East 1 project involved repurposing an existing pipeline that previously carried products from the former oil refinery located at Marcus Hook in Delaware County, PA to markets in the west. The pipeline was refurbished, as the Mariner East Project, to carry 70,000 barrels daily of natural gas liquids (liquid propane and ethane) from Western Pennsylvania to Marcus Hook for both domestic distribution and export. Mariner East 1 utilizes mostly existing 8-inch diameter steel pipeline, except for a portion of the line, located in western Pennsylvania that was increased to 12-inch diameter steel pipe. The Mariner East 1 project was completed in late 2014 and is shipping both ethane and propane.

Mariner East 2 — Sunoco Logistics is proposing to expand the existing Mariner East pipeline system through the construction of the Mariner East 2 (PA Pipeline Project) project.  When constructed, this project will transport natural gas liquids from Ohio and the Pittsburgh area to the Marcus Hook facility for both domestic distribution and export. The Mariner East 2 pipeline, proposes approximately 350 miles of pipe, spanning Pennsylvania, West Virginia and Ohio.  Mariner East 2 will have an initial capacity of approximately 275,000 barrels a day of natural gas liquids using a 20" diameter pipeline.  The length of the project through Chester County is approximately 23.6 miles and in Delaware County, 11.4 miles.  Approximately 80% of the Mariner East 2/PA Pipeline Project is to be located within existing right-of-ways.

On February 13, 2017, the PA DEP issued the necessary Chapter 105 (Water Obstruction and Encroachment) permits for each county the project will cross and the Chapter 102 (Erosion and Sediment Control) permits for each PA DEP region the project will cross.  Sunoco anticipates that construction of the project will begin in late winter/early spring 2017 and that it will be completed by the end of the third quarter of 2017. Sunoco has also  determined that, in addition to the 20" ME2 pipeline, a second 16" pipeline  will be added to the Mariner East project easement.  Sunoco anticipates  that this pipeline project will be completed in mid- to late 2018.

With  the commencement of construction, Sunoco has provided DEP with a 24 hotline  number for the Pennsylvania Pipeline Project, also known as Mariner East II  (ME2).  This number is: 855-430-4491.  This hotline allows for  inquiries and concerns to be directed to Sunoco during construction.  If  there are concerns related to erosion and sedimentation and site restoration,  residents can contact the Chester County Conservation District (CCCD) at 610-925-4920.   If there are questions or concerns regarding stream or wetland crossings,  residents can call DEP directly at 484-250-5900.


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