EFS was contracted to provide construction and installation of air sparge wells for a groundwater corrective measures system upgrade at a former chemical distribution facility in South Bend, Indiana. EFS furnished and installed vertical air sparge wells in accordance with the Corrective Measures Study and Corrective Measures Implementation Workplan for this site.
The scope of services provided by EFS included:
Clearing borings with hand auger/air knife to a depth of 5-feet below grade
Blank-drilling to a depth of 60-feet below surface at seventeen (17) locations and 43-feet below grade at three (3) locations
Utilizing Hollow Stem Auger (HSA) equipment to install twenty (20) 1-inch diameter wells constructed of Schedule 80 PVC materials using flush-threaded PVC risers and 2.5-foot 0.010-inch slotted well screens
Containerizing all soil cuttings in roll-off boxes