HUB was to install a 36-inch slurry wall and LBEs down to 75 feet to support ... The BC 35 was used to clean out the holes and finish the rock sockets, which ranged in length from 17 to 33 feet.

GEORGE TAMARO: An Italian innovation, slurry walls were first used in 1949. The Port Authority was very courageous to use them in 1967, since slurry walls had not previously been used to this ...

The World Trade Center is leaking, and it's not one of those "Oh, we'll just patch it right up," leaks, either—officials are concerned that a faulty slurry wall is to blame, and if that's true ...