Our goal is to build anything not accessible by land. Construction of U.S. Coast Guard navigation lights are a prime example. One such light we built 20 miles off shore in Lake Erie, anchored to the lake bed in such a way as to resist the tremendous forces that Mother Nature can deliver.
(click on any picture for a larger view)
Pile driving a steel sheet pile cell for an off shore navigation light.
Setting a steel ice cone superstructure into the competed cell.
Mixing and injecting grout into preplaced aggregate within the cell.
Preparing to set the cylinder light tower onto the completely grouted structure.
Setting the light in place.
Completed light with steel sheet pile cell cut off underwater at the base of the ice cone.