Large Diameter

15 Mile Sink Hole

15 Mile Sewer Repair

3 Access Shafts

10 ft. Diameter X 70' Deep

Cored through existing 11ft. diameter tunnel.

This allowed for temporary pumping of sewage to ground level around the collapsed portion of tunnel.

 

180 Caissons

Used to construct a semi-tangent wall.

This included placing an I-beam in the center for rigidity and allowing the internal bracing support. 

Once the necessary bracings were installed, the tunneling contractor open cut down to the tunnel for repair.

 

Rohrscheib Sons Caissons Inc.

P: +1.248.437.2005 // F: +1.248.437.9670