This project was constructed within the limits of a separate ongoing PCB remediation project. The scope of this project included; continuous handling and containment of contaminated ground water in multiple 18,000 gallon weir tanks, excavation of 2 – 20 foot deep exit and entry shafts through bedrock, a 6 feet diameter 600 feet long tunnel drilled through bedrock, fusing of 800 feet of 48 inch HDPE pipe pulled through the tunnel with a wench system and grouting of the annular space within the tunnel.