31 00 00 Earthwork 31 10 00 Site Clearing 31 20 00 Earth Moving 31 23 00 Excavation and Fill 31 25 00 Erosion and Sedimentation Controls 32 11 00 Base Courses 33 00 00 Utilities 33 01 30 Operation and Maintenance of Sewer Utilities 33 10 00 Water Utilities 33 11 00 Water Utility Distribution Piping 33 30 00 Sanitary Sewerage Utilities 33 40 00 Storm Drainage Utilities 33 42 00 Culverts 33 44 00 Storm Utility Water Drains 33 46 00 Subdrainage 33 47 00 Ponds and Reservoirs 33 49 00 Storm Drainage Structures

03 00 00 Concrete 06 10 00 Rough Carpentry 31 10 00 Site Clearing

02 41 00 Demolition 31 10 00 Site Clearing 31 22 00 Grading 32 16 00 Curbs, Gutters, Sidewalks and Driveways 33 36 00 Utility Septic Tanks 33 47 00 Ponds and Reservoirs

22 13 53 Facility Septic Tanks 31 10 00 Site Clearing 31 22 00 Grading 31 23 00 Excavation and Fill 32 05 16 Aggregates for Exterior Improvements 33 01 30 Operation and Maintenance of Sewer Utilities 33 36 00 Utility Septic Tanks 33 49 00 Storm Drainage Structures

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