PB Energy Storage Services, Inc.

AAI has conducted a variety of preliminary cavern design and geotechnical design reports for PB Energy Storage Services, Inc. of Houston, Texas, related to the design and construction of a large underground butane storage cavern located in Robinson, Illinois.  The caverns will be constructed in shale and it is anticipated that the final design will be completed and construction will commence in 2014.  During the design phase, AAI evaluated the rock mass classification and ground support requirements and conducted numerical modeling analyses of overall cavern stability, alternative opening profile shapes, and appropriate pillar widths.  The total project duration is estimated to be about 3.5 years (2014–2017).

Horizontal Displacement Plot

Horizontal Displacement Plot

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