Specifications include, but are not limited to: GRADING, BRIDGE & SURFACING. I-235 FR W OF SENECA ST OVER I-235 E TO I-235/I-135/K-254 INTERCHANGE IN SG CO. LENGTH IS 1.15 MI. 5-04003 ON GRADE CONCRETE 15-04004 CONCRETE FOR PRESTRESSED CONCRETE MEMBERS 15-04005 GENERAL CONCRETE 15-06007-R01 HOT MIX ASPHALT CONSTRUCTION QC/QA 15-07011-R01 CONCRETE STRUCTURE CONSTRUCTION 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 DRILLED SHAFT (SPECIAL) 15-07008 SIGN STRUCTURES AND BRIDGE MOUNTED SIGN ATTACHMENTS 15-07009-R01 HIGH MAST LIGHT TOWERS 15-07013 FIELD ERECTION 15-08004-R01 TAPERED PAVEMENT EDGE 15-08007 COURTESY TOWING 15-08010 PERMANENT SIGNING 15-08014 CONCRETE SAFETY BARRIER 15-08015 CONTRACTOR CONSTRUCTION STAKING 15-09002-R03 STORMWATER POLLUTION MANAGEMENT 15-09003 MULCHING 15-11001-R03 STONE FOR RIPRAP, DITCH LINING AND OTHER MISCELLANEOUS USES 15-11002-R01 AGGREGATE FOR HMA 15-11003-R02 AGGS FOR CONCRETE NOT PLACED ON GRADE 15-11004-R01 AGGREGATE FOR ON GRADE 15-12001 GENERAL REQUIREMENT DIVISION 1200 15-14001-R01 AIR-ENTRAINING ADMIXTURES FOR CONCRETE 15-14002 SHEET MATERIALS FOR CURING CONCRETE 15-15001 HOT JOINT SEALING COMPOUND 15-15002 PREFORMED EXPANSION JOINT FILLER FOR CONCRETE 15-15003 STRIP SEAL ASSEMBLY 15-16001 STRUCTURAL STEEL TUBING 15-16002-R02 STEEL SIGN POSTS