Specifications include, but are not limited to: 15-01501 ASPHALT SURFACING AND ASPHALT RECYCLING EQUIPMENT 15-19001 FIBERGLASS PIPES AND FITTINGS 15-02001 REMOVAL OF EXISTING STRUCTURES 15-03001 CEMENT TREATED BASE 15-04001 KANSAS CITY METRO MATERIALS 15-04002 STRUCTURAL CONCRETE 15-04003 ON GRADE CONCRETE 15-04004 CONCRETE FOR PRESTRESSED CONCRETE MEMBERS 15-04005-R03 GENERAL CONCRETE 15-05003 PORTLAND CEMENT CONCRETE PAVEMENT (QC/QA) 15-06006-R01 ASPHALT PAVEMENT SMOOTHNESS 15-06007-R03 HOT MIX ASPHALT CONSTRUCTION QC/QA 15-06010-R01 HOT MIX ASPHALT (HMA)-COMMERCIAL GRADE 15-07002-R02 PRESTRESSED CONCRETE MEMBERS 15-07003-R04 STRUCTURAL STEEL FABRICATION 15-07004-R02 STRUCTURAL METALS FABRICATION 15-07005-R02 QUALIFICATION OF FIELD WELDERS 15-07006 EXPANSION JOINTS 15-07007-R01 DRILLED SHAFT (SPECIAL) 15-07008-R01 SIGN STRUCTURES AND BRIDGE MOUNTED SIGN ATTACHMENTS 15-07011-R01 CONCRETE STRUCTURE CONSTRUCTION 15-07012 HANDRAIL FOR BRIDGES AND OTHER USES 15-07013 FIELD ERECTION 15-07016 STRUCTURAL STEEL CONSTRUCTION 15-07017 PILING 15-07018 FALSEWORK AND FORM CONSTRUCTION 15-07020 MULTI-LAYER POLYMER CONCRETE OVERLAY 15-08005 DITCH LINING 15-08007 COURTESY TOWING 15-08008-R01 RETAINING WALL SYSTEM 15-08010-R01 PERMANENT SIGNING 15-08011-R02 PAVEMENT WIDENING, SHOULDERING AND PAVEMENT EDGE WEDGE