Vertical Lift Gate Recess Concrete Restoration

Contract to restore deteriorated concrete on vertical faces of the Eisenhower Lock vertical lift gate recess. The vertical lift gate recess is located adjacent to the upstream side of the miter gate sill approximately 50 to 100’ below the top of the lock wall working surface. The project includes all labor, materials and equipment to rehabilitate an estimated 3,350 square feet area of deteriorated concrete in the approximately 46’ wide by 80’ wide recess. The work comprises removal of unsound concrete and placing new concrete to restore original profiles. The contractor may use dry mix shotcrete application methods or conventional formed cast-in-place concrete. The work also includes the requirement to muck out accumulated debris and rubble at the bottom of the recess to expose concrete for restoration. The contractor shall provide all lights, heat, work platforms, materials and personnel access, water and all other utilities that are required for the work.

Dam/Tunnel, Renovation.

Division 02 -	Existing Conditions, Subsurface Investigation.
Division 03 -	Concrete.
Division 31 -	Earthwork, Site Clearing, Grading, Excavation and Fill, Subgrade Preparation, Excavation, Shoring, Tunneling and Mining, Tunnel Excavation.
Division 35 -	Waterway and Marine Construction, Dam Construction and Equipment.