Concrete Ditch Replacement and Wing Wall Backfill

Concrete Ditch Replacement and Wing Wall Backfill: - Contractor shall remove the existing concrete gutter and excavate materials from the ditch area. The gutter replacement is approximately 100' in length, 2 feet in width, and 12 inches in overall thickness. All removed materials shall be disposed of offsite and disposed of in accordance with all local, state and federal laws. - Drainage: Once the concrete gutter is removed, placement of a drainage system under the concrete ditch shall be installed with the exit to be core drilled through the spillway training wall (See Exhibit 1) so erosion to the surrounding area is kept to a minimum. - Concrete Gutter: The contractor shall form and pour gutter to original design. - Concrete Specs: The concrete shall be of ODOT 499 Class C concrete for all work in this contract. - Left and Right Wing wall concrete fill: The contractor shall be responsible to concrete fill the void area at the left and right wing wall areas using standard industry methods. - Concrete Finish: The concrete gutter shall have an exterior finish to match original design. - Concrete Finish: The concrete gutter shall have an exterior finish to match original design.

Division 03 -	Concrete.
Division 31 -	Earthwork, Erosion and Sedimentation Controls.
Division 33 -	Utilities, Storm Drainage Utilities, Ponds and Reservoirs.
Division 35 -	Waterway and Marine Construction, Shoreline Protection, Waterway Construction and Equipment.