Specifications include, but are not limited to: 15-04002 STRUCTURAL CONCRETE 15-04003 ON GRADE CONCRETE 15-04005-R03 GENERAL CONCRETE 15-05003 PORTLAND CEMENT CONCRETE PAVEMENT (QC/QA) 15-06010 HOT MIX ASPHALT (HMA)-COMMERCIAL GRADE 15-07003-R04 STRUCTURAL STEEL FABRICATION 15-07004-R02 STRUCTURAL METALS FABRICATION 15-07005-R02 QUALIFICATION OF FIELD WELDERS 15-07006 EXPANSION JOINTS 15-07008 SIGN STRUCTURES AND BRIDGE MOUNTED SIGN ATTACHMENTS 15-07011-R01 CONCRETE STRUCTURE CONSTRUCTION 15-07013 FIELD ERECTION 15-07016 STRUCTURAL STEEL CONSTRUCTION 15-07017 PILING 15-07018 FALSEWORK AND FORM CONSTRUCTION 15-08004-R01 TAPERED PAVEMENT EDGE 15-08005 DITCH LINING 15-08010-R01 PERMANENT SIGNING 15-08011-R02 PAVEMENT WIDENING, SHOULDERING AND PAVEMENT EDGE WEDGE 15-08014 CONCRETE SAFETY BARRIER 15-08015 CONTRACTOR CONSTRUCTION STAKING.