Specifications include, but are not limited to: THE REHABILITATION OF TAXIWAY K PROJECT AT THE PHILADELPHIA INTERNATIONAL AIRPORT (PHL) CONSIST OF THE FULL DEPTH ASPHALT REMOVAL AND REPLACEMENT WITH AN AGGREGATE BASE COURSE AND PORTLAND CEMENT CONCRETE (PCC) SURFACE COURSE, NEW TAXIWAY K GEOMETRY TO MEET CURRENT FAA CRITERIA, INSTALLATION OF NEW AND MAINTENANCE OF EXISTING UNDERDRAIN STRUCTURES, INSTALLATION OF NEW AIRFIELD LIGHTING FIXTURES AND ITS ASSOCIATED ELECTRICAL WORK, AND COMPLETE PAVEMENT MARKINGS. IN ADDITION TO THE TAXIWAY K PAVEMENT AND GEOMETRY IMPROVEMENTS, A NEW TAXIWAY CONNECTOR, K-4, WILL BE ADDED, INCLUDING FULL DEPTH PAVEMENT CONSTRUCTION, AIRFIELD LIGHTING RELOCATION AND ITS ASOCIATED ELECTRICAL WORK, AND PAVEMENT MARKINGS; VARIABLE DEPTH MILLING (0 TO 4 INCHES) for REHABILITATION OF TAXIWAY K as shown and described in the plans, specifications and herein, the unit price of: 2600 SY; FULL-DEPTH CONCRETE AND PARTIAL BASE REMOVAL for REHABILITATION OF TAXIWAY K as shown and described in the plans, specifications and herein, the unit price of 11,400 SY