The specific items and any specifications that the Purchasing Agency is seeking are listed below. Items offered by the Vendor must meet or exceed the listed Specifications. Aluminum Structural Plate Round Pipe with Headwalls conforming to the NCDOT 2024 Standard Specifications for Roads and Structures, and any addenda thereto. All pipe(s) must be inspected and approved by an NCDOT Materials & Test inspector and stamped. 85’-6” LF of 90” diameter, 0.200” metal thickness, aluminum structural plate round pipe transitioning to 9’-0” LF of 114” diameter, 0.200” metal thickness, aluminum structural plate round pipe with ¼” thick fully welded bulkhead at transition point. two (2) Each – aluminum internal trapezoidal baffles welded inside 90” diameter and 114” diameter aluminum structural plate round pipes. fully welded inside and out to 90” diameter round pipe on a 11 degree skew angle to a pre-built 13’-6” wide x 12’-5” high, 0.250” metal thickness aluminum structural plate headwall with two (2) – 9’-0” wide, 0.200” metal thickness aluminum structural plate wing walls, 45 degrees to base wall on inlet end, and the 114” diameter round pipe on a 90 degree angle to a 25’-6” wide x 13’-3” high, 0.250” metal thickness, aluminum structural plate headwall with one (1) – 9’- 0” wide, 0.200” metal thickness aluminum structural plate wingwall, 90 degrees to base wall on outlet end per attached drawing. Two (2) each – 18”x15”x10’ long galvanized wire forms with struts
