The EMH&T-designed Blacklick Creek Sanitary Interceptor Sewer (BCSIS) Tunnel project is in full swing. The Tunnel Boring Machine (TBM), which arrived on site in January, is now making its way through the project area’s varied soil conditions. As it bores through the ground along the 23,000 linear foot route of the new tunnel, it is leaving a trail of 10-foot diameter concrete pipe in its wake. Scheduled for completion in 2020, the new sewer will serve a 27,000 acre area in the fast-growing northeast quadrant of Franklin County, Ohio. North American Tunneling Journal recently spoke with EMH&T’s Mike Keller, project principal in charge, and other members of the project team about this $110 million project.
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