Specifications include, but are not limited to: removal of asphalt Taxiways A4, A5 and A6 and construction of new Taxiway A4 and A5 with a pavement section consisting of aggregate base course, CTB, and asphalt. The work also includes an asphalt mill and overlay of Taxiway A and portions of Taxiway F, E and C. New 30-foot wide asphalt taxiway shoulders will be constructed to meet current FAA standards. Drainage improvements include removal of existing drainage pipe and structures, installation of new drainage pipe, drainage structures and an underdrain. Electrical improvements include removal of existing electrical infrastructure and installation of junction cans, electrical vaults, guidance signs, taxiway edge lights, conduit, cabling, and centerline lights for the entire length of Taxiway A. Additional improvements include unclassified excavation, asphalt and CTB removal, infield grading, top-soiling, seeding, thermoplastic and waterborne pavement markings.