Major Projects:

  • World Trade Center, test shafts and perimeter slurry wall
  • Manicouagan Dam, 428’ deep cut-off wall
  • Wolf Creek Dam, deep cut-off wall through existing dam with reservoir impounded
  • Various cut and cover sections by slurry wall method in the New York, Washington, Philadelphia, Caracas, Pusan, Seoul, Hong Kong and Singapore subway systems
  • First slurry wall in Hong Kong at the New World Center
  • First deep slurry trench in modern times at the Huxtable Pumping Station for the USCOE Memphis District, followed by many others in US and Canada
  • First plastic deep cut-off for the Colbun dam in Chile, followed by deep plastic cut-offs for the Stewart Bridge dam in NY and for the Utah Mine project in Vancouver Island
  • Several slurry wall contracts in the Boston Central Artery and Third Harbor Tunnel
  • Deep secant pile cut-off at the Walter F. George Dam for the US Corps of Engineers
  • Jet grouting cut-off in the Canadian Arctic for the Diavik diamond mine
  • World Trade Center Eastbathtub Slurry Wall