Specifications include, but are not limited to: The Work shall include construction of eight 56.4 ft. diameters, concrete-filled, steel sheet pile cellular structures, and connecting arc cells. The steel sheet pile cellular structures shall be constructed along a baseline running parallel to the existing Lock and Dam No. 10, and located approximately 72.2 ft. upstream of the existing Main Dam and 222.0 ft. upstream of the existing Auxiliary Dam. The Work will also consist of site preparation, erosion control, water control with fluctuating river levels, east and west abutment tie-ins, lock wall tie-ins, concrete bulkhead wall construction across the upper lock approach, water conveyance system installation, removal of existing lock miter gates, slope construction and protection, access road improvements, selective demolition, dredging, earthwork (cut/fill) operations, site grading and restoration, tree planting, and vegetation seeding.