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

31 23 00 Excavation and Fill 33 10 00 Water Utilities 33 30 00 Sanitary Sewerage Utilities 33 40 00 Storm Drainage Utilities 34 71 00 Roadway Construction

22 00 00 Plumbing 02 71 00 Groundwater Treatment 22 33 00 Electric Domestic Water Heaters 22 34 00 Fuel-Fired Domestic Water Heaters 22 42 00 Commercial Plumbing Fixtures 33 30 00 Sanitary Sewerage Utilities 40 12 00 Compressed Air Process Piping

02 00 00 Existing Conditions 02 05 00 Common Work Results for Existing Conditions 02 06 00 Schedules for Existing Conditions 02 20 00 Assessment 02 21 00 Surveys 02 22 00 Existing Conditions Assessment 31 22 00 Grading 31 23 00 Excavation and Fill 32 11 00 Base Courses 32 30 00 Site Improvements 32 32 00 Retaining Walls 33 00 00 Utilities 33 01 30 Operation and Maintenance of Sewer Utilities 33 11 00 Water Utility Distribution Piping 33 30 00 Sanitary Sewerage Utilities 33 49 00 Storm Drainage Structures