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Petworth Subway Station (Washington, DC, USA) Hexc (m): 30.50 Wall Type: Diaphragm Wall 6 Support Levels A soldier pile and tremied concrete diaphragm wall supported by cross-lot struts.

Dana Farber Tower (Smith Laboratories) (Boston, MA, USA) Hexc (m): 27.40 Wall Type: Diaphragm Wall 6 Support Levels One of the deepest private diaphragm wall excavations with permanent rock anchors for a cancer research facility.

Post Office Square Garage (Boston, MA, USA) Hexc (m): 22.90 Wall Type: Diaphragm Wall Post Office Square 7 Support Levels A 7 level top/down diaphragm wall excavation for an underground garage in Boston.

CB-1 Tower (San Francisco, CA, USA) Hexc (m): 20.10 Wall Type: Diaphragm Wall 3 Support Levels A diapphragm wall excavation in San Francisco adjacenet to a subway line and buildings.

75 State Street (Boston, MA, USA) Hexc (m): 19.80 Wall Type: Diaphragm Wall 75 State Street 6 Support Levels A 6 level top/down diaphragm wall excavation for an underground garage of a new building.

PATH, West & Morton (New York, NY, USA) Hexc (m): 19.50 Wall Type: Diaphragm Wall 6 Support Levels A six level cross-lot excavation for the PATH subway station at West & Morton Streets.

Federal St Station (Washington, DC, USA) Hexc (m): 18.30 Wall Type: Diaphragm Wall 3 Support Levels A diaphragm wall excavation supported by cross-lot struts.

World Bank Building D (Washington, DC, USA) Hexc (m): 18.30 Wall Type: Diaphragm Wall 5 Support Levels A diaphragm wall excavation supported by tiebacks.

125 Summer St (Boston, MA, USA) Hexc (m): 18.30 Wall Type: Diaphragm Wall 125 Summer St 6 Support Levels A 6 level top/down diaphragm wall excavation for an underground garage of a new building.

30 Hudson Street (Hoboken, NJ, USA) Hexc (m): 16.80 Wall Type: Diaphragm Wall 30 Hudston Street 4 Support Levels A diaphragm wall excavation with rock anchors for the new Goldman Sachs building accross New York.