CenterPoint Energy Gas Transmission Co. (CEGT), an indirect unit of Houston-based CenterPoint Energy Inc., notified FERC Monday that it began emergency right-of-way (ROW) remediation activities to stabilize an area of a landslide on its system in an effort to avoid disruption of service to customers.
The landslide occurred on its Line OM-1 in the Ozark National Forest on Wakefield Mountain in Crawford County, AR, near Winfrey, AR. CEGT's Line OM-1 is a 20-inch diameter pipeline that extends about 100 miles from CEGT's Dunn Compressor Station near Paris, AR, to an interconnection with Southern Star Central Gas Pipeline near Jane, MO.
"The landslide occurred diagonally to the pipeline and impacts approximately 500 feet of CEGT's [ROW]. The landslide has destabilized a segment of the [ROW]; however, there appears to be little pressure on the pipeline laterally at this location," CenterPoint Energy told the Federal Energy Regulatory Commission.
CEGT said it intends to remediate the ROW before there is a line failure and is directing impacted shippers to arrange for the receipt of gas from Southern Star to avoid any disruption in services.
"At this time CEGT does not anticipate any pipeline replacement. However, additional temporary workspace outside the easement will be required due to the large area of pipeline to be exposed." It said it expects the remediation work to be completed within about 15 days.
CEGT said it it has requested and received environmental clearances from the Arkansas Historic Preservation Office and the U.S. Fish and Wildlife Service and is also coordinating efforts with the U.S. Forest Service.
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