31 23 00 Excavation and Fill 32 11 23.13 Sand-Clay Base Courses 41 22 00 Cranes and Hoists 50 59 00 Construction Material Delivery/Hauling 50 61 00 Construction Material Supplier 50 62 00 Crane Sales & Service

03 40 00 Precast Concrete 05 10 00 Structural Metal Framing 41 22 00 Cranes and Hoists

04 00 00 Masonry 04 43 00 Stone Masonry 04 54 00 Refractory Brick Masonry 07 10 00 Dampproofing and Waterproofing 07 22 00 Roof and Deck Insulation 07 31 00 Shingles and Shakes 07 32 00 Roof Tiles 07 33 00 Natural Roof Coverings 07 40 00 Roofing and Siding Panels 07 41 00 Roof Panels 07 61 00 Sheet Metal Roofing 07 63 00 Sheet Metal Roofing Specialties 07 71 00 Roof Specialties 07 76 00 Roof Pavers 08 10 00 Doors and Frames 08 30 00 Specialty Doors and Frames 41 22 00 Cranes and Hoists

02 41 00 Demolition 02 50 00 Site Remediation 02 55 00 Remediation Soil Stabilization 02 66 00 Landfill Construction and Storage 03 05 00 Common Work Results for Concrete 03 11 00 Concrete Forming 03 40 00 Precast Concrete 31 10 00 Site Clearing 31 23 00 Excavation and Fill 31 32 00 Soil Stabilization 32 15 00 Aggregate Surfacing 32 16 00 Curbs, Gutters, Sidewalks and Driveways 32 32 00 Retaining Walls 33 36 00 Utility Septic Tanks 41 22 00 Cranes and Hoists 46 70 00 Water and Wastewater Residuals Handling and Treatment

41 22 00 Cranes and Hoists