Posillico Environmental was retained by Consolidated Edison (ConEd) to perform remedial action at the former Pelham Manufactured Gas Plant (MGP) site in Pelham, Westchester County, NY. Remedial action required the construction of a jet-grout barrier wall underneath the existing sheet pile barrier wall that enclosed the site. The jet-grout barrier wall was extended from the tip of the sheet pile wall to the top of bedrock. Distinct Engineering Solutions, Inc. (DESI) ... ... Read More