31 00 00 Earthwork 31 05 16 Aggregates for Earthwork 31 10 00 Site Clearing 31 20 00 Earth Moving 31 22 00 Grading 31 23 00 Excavation and Fill 31 25 00 Erosion and Sedimentation Controls 31 30 00 Earthwork Methods 31 50 00 Excavation Support and Protection 32 05 16 Aggregates for Exterior Improvements 32 10 00 Bases, Ballasts, and Paving 32 18 00 Athletic and Recreational Surfacing 32 30 00 Site Improvements 32 32 00 Retaining Walls 32 80 00 Irrigation 32 90 00 Planting 33 00 00 Utilities 33 10 00 Water Utilities 33 30 00 Sanitary Sewerage 33 40 00 Stormwater Utilities 33 70 00 Electrical Utilities 34 71 00 Roadway Construction Highway Contractor Industrial Contractor Utility Contractor

Engineers 26 00 00 Electrical 26 05 83 Wiring Connections 26 09 13 Electrical Power Monitoring 26 10 00 Medium Voltage Electrical Distribution 26 20 00 Low Voltage Electrical Distribution 26 30 00 Facility Electrical Power Generating and Storing Equipment 26 40 00 Electrical Protection 26 50 00 Lighting 33 00 00 Utilities 34 80 00 Bridges Division 22 - Plumbing Division 23 - Heating, Ventilating, and Air Conditioning

02 41 00 Demolition 22 00 00 Plumbing 31 00 00 Earthwork 32 00 00 Exterior Improvements 32 30 00 Site Improvements 33 00 00 Utilities Building Contractor Utility Contractor

Building Contractor 31 00 00 Earthwork 33 00 00 Utilities 34 71 00 Roadway Construction

02 41 00 Demolition 31 10 00 Site Clearing 31 25 00 Erosion and Sedimentation Controls 33 00 00 Utilities 33 16 00 Water Utility Storage Tanks 33 40 00 Stormwater Utilities 33 70 00 Electrical Utilities Utility Contractor

33 00 00 Utilities 31 00 00 Earthwork 41 22 00 Cranes and Hoists General Contractors & Specialty Contractors

Division 02 - Site Construction Division 31 - Earthwork Division 33 - Utilities Division 34 - Transportation Highway Contractor Utility Contractor 34 80 00 Bridges 34 71 00 Roadway Construction 32 05 16 Aggregates for Exterior Improvements 32 10 00 Bases, Ballasts, and Paving 32 16 00 Curbs, Gutters, Sidewalks, and Driveways 32 30 00 Site Improvements 32 32 00 Retaining Walls 33 00 00 Utilities

31 00 00 Earthwork 32 00 00 Exterior Improvements 32 10 00 Bases, Ballasts, and Paving 32 16 00 Curbs, Gutters, Sidewalks, and Driveways 32 30 00 Site Improvements 33 00 00 Utilities 33 10 00 Water Utilities Construction Management Division 33 - Utilities Utility Contractor

02 00 00 Existing Conditions 02 41 00 Demolition 02 50 00 Site Remediation 02 60 00 Contaminated Site Material Removal 03 00 00 Concrete 03 10 00 Concrete Forming and Accessories 03 31 00 Structural Concrete 07 18 00 Traffic Coatings 13 00 00 Special Construction 31 00 00 Earthwork 31 20 00 Earth Moving 31 22 00 Grading 31 23 00 Excavation and Fill 31 23 19 Dewatering 31 25 00 Erosion and Sedimentation Controls 31 30 00 Earthwork Methods 31 40 00 Shoring and Underpinning 31 50 00 Excavation Support and Protection 32 10 00 Bases, Ballasts, and Paving 32 16 00 Curbs, Gutters, Sidewalks, and Driveways 32 17 00 Paving Specialties 32 17 23 Pavement Markings 32 30 00 Site Improvements 32 32 00 Retaining Walls 33 00 00 Utilities 33 10 00 Water Utilities 33 30 00 Sanitary Sewerage 33 40 00 Stormwater Utilities Landscaping Specialty Contractor Trucking and Hauling Utility Contractor

Construction Management Highway Contractor Industrial Contractor Utility Contractor 02 00 00 Existing Conditions 03 00 00 Concrete 31 62 00 Driven Piles 32 00 00 Exterior Improvements 33 00 00 Utilities 33 80 00 Communications Utilities 34 40 00 Transportation Signaling and Control Equipment