Aluminum Structural Plate Box Culvert

1 1 Each The total length of this structure shall be 40’-6” LF – of #25-L2 (14’-1” span x 6’-2” rise) aluminum structural plate box culvert with full aluminum invert fully welded to 31’- 6” wide x 8’-7” high, 0.150” metal thickness, aluminum structural plate headwall on inlet and outlet ends per attached drawing. Includes one roll of TX Geogrid, all headwall cap, wall support members, and tieback rods with deadman anchor plates, supplier to assemble structure and headwalls in final designed location and elevation within one (1) working day on site. Fully welded aluminum structural plate headwall. Aluminum stiffening rib bolted to soil side of wall. Aluminum stiffening rib bolted to front side of wall. The purchase of the structure shall include but not limited to all items specified in this specification, the delivery of the structure and any incidentials required for the proper assembly of the structure. **The headwalls shall be designed for surcharge.

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