INFO@LAYNE.COM | For more information, or to speak with an expert please visit us at WWW.LAYNE.COM   © 2013 Layne. All rights reserved. 10.436.08012013   SHAFT GROUTING PROGRAM Dearborn, MI SITUATION: Faced with the task of meeting federal water quality standards, the City of Dearborn let several contracts for construction of combined sewer overflow (CSO) shafts. These structures are typically 120 feet in diameter by 150 feet d

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