Specifications include, but are not limited to:. The proposed improvement includes the following, but not limited to, base bid quantities: 20,460 square yards of asphalt roadway resurfacing, 42 structure adjustments, 6 structure replacements, 6 structure reconstructions, 5,365 square feet of sidewalk replacement, 671 linear feet of combination concrete curb & gutter replacement, various civil improvements and all other appurtenant work and materials necessary to complete the project. This project includes seven bid alternatives, which include the addition of the following improvements: 12,210 square yards of asphalt roadway resurfacing, structure adjustments, 7 structure replacements, 5 structure reconstructions, 4,509 square feet of sidewalk replacement, 366 linear feet of combination concrete curb & gutter replacement, various civil improvements and all other appurtenant work and materials necessary to complete the project.