- 02510 - Water Distribution
- 02530 - Sanitary Sewerage
- 02630 - Storm Drainage
- 02640 - Culverts and Manufactured Construction
- 02810 - Irrigation Systems
- 02815 - Fountains
- 07 21 00 - Thermal Insulation
- 07210 - Building Insulation
- 09 97 00 - Special Coatings
- 10 28 00 - Toilet, Bath, and Laundry Accessories
- 10 28 16 - Bath Accessories
- 10 28 19 - Tub and Shower Doors
- 10800 - Toilet, Bath and Laundry Accessories
- 10820 - Bath Accessories
- 11200 - Water Supply and Treatment Equipment
- 11250 - Water Softening Equipment
- 11310 - Sewage and Sludge Pumps
- 13 12 00 - Fountains
- 13 17 00 - Tubs and Pools
- 13 17 13 - Hot Tubs
- 13 17 23 - Therapeutic Pools
- 13 17 33 - Whirlpool Tubs
- 13170 - Tubs and Pools
- 13200 - Storage Tanks
- 13975 - Standpipes and Hoses
- 15060 - Hangers and Supports
- 15105 - Pipes and Tubes
- 15110 - Valves
- 15120 - Piping Specialties
- 15130 - Pumps
- 15300 - Fire Protection Piping
- 15400 - Plumbing Fixtures and Equipment
- 15410 - Plumbing Fixtures
- 15480 - Domestic Water Heaters
- 15490 - Pool and Fountain Equipment
- 21 05 19 - Meters and Gages for Fire-Suppression Systems
- 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
- 21 05 29 - Hangers and Supports for Fire-Suppression Piping and Equipment
- 21 11 00 - Facility Fire-Suppression Water-Service Piping
- 21 12 00 - Fire-Suppression Standpipes
- 21 12 13 - Fire-Suppression Hoses and Nozzles
- 21 41 00 - Storage Tanks for Fire-Suppression Water
- 21 41 16 - Elevated Storage Tanks for Fire-Suppression Water
- 21 41 26 - Underground Storage Tanks for Fire-Suppression Water
- 22 05 19 - Meters and Gages for Plumbing Piping
- 22 05 23 - General-Duty Valves for Plumbing Piping
- 22 05 29 - Hangers and Supports for Plumbing Piping and Equipment
- 22 12 00 - Facility Potable-Water Storage Tanks
- 22 12 16 - Facility Elevated, Potable-Water Storage Tanks
- 22 30 00 - PLUMBING EQUIPMENT
- 22 33 00 - Electric Domestic Water Heaters
- 22 34 00 - Fuel-Fired Domestic Water Heaters
- 22 35 00 - Domestic Water Heat Exchangers
- 22 40 00 - PLUMBING FIXTURES
- 22 50 00 - POOL AND FOUNTAIN PLUMBING SYSTEMS
- 22 63 19 - Gas Storage Tanks for Laboratory and Healthcare Facilities
- 23 05 19 - Meters and Gages for HVAC Piping
- 23 05 23 - General-Duty Valves for HVAC Piping
- 23 05 29 - Hangers and Supports for HVAC Piping and Equipment
- 23 13 00 - Facility Fuel-Storage Tanks
- 23 13 13 - Facility Underground Fuel-Oil, Storage Tanks
- 23 21 23 - Hydronic Pumps
- 32 80 00 - IRRIGATION
- 32 84 13 - Drip Irrigation
- 32 84 23 - Underground Sprinklers
- 32 86 00 - Agricultural Irrigation
- 33 10 00 - WATER UTILITIES
- 33 11 00 - Water Utility Distribution Piping
- 33 11 13 - Public Water Utility Distribution Piping
- 33 11 16 - Site Water Utility Distribution Piping
- 33 11 19 - Fire Suppression Utility Water Distribution Piping
- 33 13 00 - Disinfecting of Water Utility Distribution
- 33 16 00 - Water Utility Storage Tanks
- 33 16 16 - Underground Water Utility Storage Tanks
- 33 16 19 - Elevated Water Utility Storage Tanks
- 33 30 00 - SANITARY SEWERAGE UTILITIES
- 33 31 00 - Sanitary Utility Sewerage Piping
- 33 32 13 - Packaged Utility Lift Stations
- 33 32 16 - Packaged Utility Wastewater Pumping Stations
- 33 32 19 - Public Utility Wastewater Pumping Stations
- 33 34 00 - Sanitary Utility Sewerage Force Mains
- 33 39 13 - Sanitary Utility Sewerage Manholes, Frames, and Covers
- 33 39 23 - Sanitary Utility Sewerage Cleanouts
- 33 40 00 - STORM DRAINAGE UTILITIES
- 33 41 00 - Storm Utility Drainage Piping
- 33 42 00 - Culverts
- 33 42 13 - Pipe Culverts
- 33 42 16 - Concrete Culverts
- 33 44 00 - Storm Utility Water Drains
- 33 44 13 - Utility Area Drains
- 33 49 13 - Storm Drainage Manholes, Frames, and Covers
- 33 49 23 - Storm Drainage Water Retention Structures
- 33 56 00 - Fuel-Storage Tanks
- 33 56 16 - Underground Fuel-Storage Tanks
- 33 56 43 - Aviation Fuel-Storage Tanks
- 33 56 53 - Compressed Gases Storage Tanks
- 43 21 00 - Liquid Pumps
- 44 40 00 - WATER TREATMENT EQUIPMENT
- 44 42 53 - Water Treatment Oil/Water Separators
- 44 44 00 - Water Treatment Chemical Systems Equipment
- 44 44 13 - Water Treatment Chemical Feed Equipment