Specifications include, but are not limited to: 15-07011-R01 CONCRETE STRUCTURE CONSTRUCTION 15-07013 FIELD ERECTION 15-07015 DRILLED SHAFTS 15-07016 STRUCTURAL STEEL CONSTRUCTION 15-07017 PILING 15-08010-R01 PERMANENT SIGNING 15-08011-R01 PAVEMENT WIDENING, SHOULDERING AND PAVEMENT EDGE WEDGE 15-08014 CONCRETE SAFETY BARRIER 15-08015 CONTRACTOR CONSTRUCTION STAKING 15-08018 MAINTENANCE AND RESTORATION OF HAUL ROADS 15-08019-R01 WORK ZONE TRAFFIC CONTROL & SAFETY 15-08020-R01 DURABLE PAVEMENT MARKING 15-08023 FIELD OFFICE AND LABORATORY 15-09002-R03 STORMWATER POLLUTION MANAGEMENT 15-09003 MULCHING 15-09004 TEMPORARY EROSION AND SEDIMENT CONTROL/SEEDING 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 15-11009-R01 AGGREGATES FOR BACKFILL 15-12001-R01 GENERAL REQUIREMENT DIVISION 1200 15-12002 PERFORMANCE GRADED ASPHALT BINDER 15-14001-R01 AIR-ENTRAINING ADMIXTURES FOR CONCRETE 15-14002 SHEET MATERIALS FOR CURING CONCRETE 15-14003 LIQUID MEMBRANE FORMING COMPOUNDS 15-15001-R01 HOT JOINT SEALING COMPOUND 15-15002 PREFORMED EXPANSION JOINT FILLER FOR CONCRETE 15-16001 STRUCTURAL STEEL TUBING 15-16002-R02 STEEL SIGN POSTS 15-16003-R01 STEEL WIRE & WELDED WIRE FABRIC FOR CONCRETE REINFORCEMENT 15-16005 STRUCTURAL STEEL 15-16006-R01 ANCHOR BOLTS FOR STRUCTURAL USES