If you are entertaining a differing site conditions claim, consider this Third District Court of Appeals case from the mid-90s.

In Hendry Corp. v. Metropolitan Dade County, 648 So.2d 140 (Fla. 3d DCA 1995), a contractor was hired by Dade County to demolish the old Rickenbacker Causeway in Miami. The original 1941 plans of the causeway were made available to contractors. The lowest bidding contractor that was awarded the project based its bid “on its conclusion that the pilings supporting the old bridge were made of concrete.” Hendry, supra at 141. The contractor based this conclusion on the original plans, its visual observation, and experience.