S.E.T., Inc. acted as a subcontractor on this project to provide complete site work services as part of an upgrade to the existing plant. Work items included, existing structure demolition, sludge bed removal, deep foundation excavation, valve vault installation, as well as installation of storm sewer, waterline, and airline. Installation of process piping varied from 3” to 18” in diameter, and at times exceeded 20’ depths. Work items had to be completed within extremely confined work areas, and without interrupting normal plant operation.