Specifications include, but are not limited to: 1.2 Signs 1.2.1 All work under this contract will be done in UDOT REGIONS 1, 2, and 3. 1.2.1 Small sign panels will be fabricated with 0.080 inch thick aluminum substrate. Exceptions are bid items (Exit Gore Signs), which will be fabricated from a single sheet of 0.125 inch thick aluminum substrate. 1.2.2 Sign panels may include Z-Bar as shown on Std Dwg SN 8 1.3 Sign panels, materials, and installation shall conform with UDOT 2017 Standard and Supplemental Specifications for Road and Bridge Construction, particularly sections 02890, 02891, 05120 and 02721, and the 2018 Standard and Supplemental Drawings, particularly the SN Series. Furnish and install sign panels and sign panel overlays. Furnish and install posts and bases. This work includes excavation, foundations, grading, and other work. Remove, dispose of, and obliterate existing sign installations as specified by UDOT. All retroreflective sheeting meets or exceeds the minimum requirements of ASTM Type XI, except for Adopt-a-Highway signs. Furnish and Install Barrier Mounted Sign Bases as shown in SN Standard Drawing Series. Furnish and Install Surface Mounted Sign Bases as shown in SN Standard Drawing Series. Furnish and Install Ground Mounted Sign Bases and foundations as shown in SN Standard Drawing Series.