Southern Natural Gas Co. LLC has asked the Federal Energy Regulatory Commission for the green light to make modifications to three compressor stations on its mainline system: the DeArmanville Compressor Station and its Auburn and Selma stations.

At the DeArmanville Station on Southern’s 20-inch diameter North Main Pipeline in Calhoun County, AL, the Kinder Morgan pipeline subsidiary is proposing to increase the bore diameter on all four compressor cylinders on both North Main Units, replace pistons and rods to match the bore diameters and install four cylinder unloaders on each of the North Main Units.

The City of Austell, GA, has subscribed to all of the capacity that will be created by the DeArmanville Station modification — 3 MMcf/d. The pipeline estimates that the cost of the expansion will be $1.55 million. Construction may begin as early as June 1, and the project could be in service by November.

The proposed modifications to Southern’s Auburn and Selma stations would increase capacity on the South Main Pipeline by an additional 1.973 MMcf/d of firm transportation capacity. Weyerhauser Paper, the City of Grantville, GA, and Packaging Corp. of America have collectively subscribed to the entire amount to be created by the project (1.973 MMcf/d) and have executed firm agreements.

The cost of the Auburn-Selma expansion is estimated at $1.3 million, according to Southern. Construction may begin as early as June, and the project could be in service by November if regulatory approval is granted.

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