33 31 00 Sanitary Utility Sewerage Piping
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33 Utilities
- 33 01 00 Operation and Maintenance of Utilities
- 33 01 30 Operation and Maintenance of Sewer Utilities
- 33 05 00 Common Work Results for Utilities
- 33 10 00 Water Utilities
- 33 11 00 Water Utility Distribution Piping
- 33 13 00 Disinfecting of Water Utility Distribution
- 33 16 00 Water Utility Storage Tanks
- 33 30 00 Sanitary Sewerage Utilities
- 33 31 00 Sanitary Utility Sewerage Piping
- 33 34 00 Sanitary Utility Sewerage Force Mains
- 33 36 00 Utility Septic Tanks
- 33 40 00 Storm Drainage Utilities
- 33 41 00 Storm Utility Drainage Piping
- 33 42 00 Culverts
- 33 44 00 Storm Utility Water Drains
- 33 46 00 Subdrainage
- 33 47 00 Ponds and Reservoirs
- 33 50 00 Fuel Distribution Utilities
- 33 51 00 Natural-Gas Distribution
- 33 52 00 Liquid Fuel Distribution
- 33 56 00 Fuel-Storage Tanks
- 33 60 00 Hydronic and Steam Energy Utilities
- 33 61 00 Hydronic Energy Distribution
- 33 63 00 Steam Energy Distribution
- 33 71 00 Electrical Utility Transmission and Distribution
- 33 73 00 Utility Transformers
- 33 75 00 High-Voltage Switchgear and Protection Devices
- 33 77 00 Medium-Voltage Utility Switchgear and Protection Devices
- 33 81 00 Communications Structures
- 33 82 00 Communications Distribution