1. Scope of Work. The Contractor must provide and deliver aluminum sign blanks to State of Minnesota agencies and Cooperative Purchasing Venture (CPV) members. 2. Aluminum Sign Blank Specifications. 2.1. Sheet Aluminum. Sheet aluminum must be in accordance with MnDOT Standard Specifications for Construction 2025, Section 3352.2A.1. as modified below: 2.1.1. Sheet aluminum for sign panels, delineators, and markers must meet the requirements of ASTM B209M for Alloy 5052-H38 or Alloy 6061-T6. 2.1.2. Sheet aluminum for cylindrical delineators must meet the requirements of ASTM B 209M for Alloy 3003- H14 as noted on the Exhibit D: Price Schedule. 2.1.3. The sheet aluminum thickness for single section sign panels, delineators, markers, panel sections of multiple section signs, and sign panel overlays must be in accordance with the table below: Sheet Aluminum Thickness Table Length of Longest Side, inches Thickness, inches ≤18 0.063 ± 0.004 >18 – 30 0.080 ± 0.005 >30 0.100 ± 0.005 Sign Overlay Panel 0.063 ± 0.004 X4-3 Cylinder Delineator 0.040 ± 0.005
