22 00 00 - PLUMBING22 01 00 - Operation and Maintenance of Plumbing22 01 10 - Operation and Maintenance of Plumbing Piping and Pumps22 01 30 - Operation and Maintenance of Plumbing Equipment22 05 00 - Common Work Results for Plumbing22 05 16 - Expansion Fittings and Loops for Plumbing Piping22 05 19 - Meters and Gages for Plumbing Piping22 05 23 - General-Duty Valves for Plumbing Piping22 05 29 - Hangers and Supports for Plumbing Piping and Equipment22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment22 05 53 - Identification for Plumbing Piping and Equipment22 06 30 - Schedules for Plumbing Equipment22 07 00 - Plumbing Insulation22 07 16 - Plumbing Equipment Insulation22 07 19 - Plumbing Piping Insulation22 10 00 - PLUMBING PIPING AND PUMPS22 11 00 - Facility Water Distribution22 11 13 - Facility Water Distribution Piping22 11 16 - Domestic Water Piping22 11 19 - Domestic Water Piping Specialties22 11 23 - Domestic Water Pumps22 12 00 - Facility Potable-Water Storage Tanks22 12 16 - Facility Elevated, Potable-Water Storage Tanks22 13 16 - Sanitary Waste and Vent Piping22 13 23 - Sanitary Waste Interceptors22 13 26 - Sanitary Waste Separators22 13 29 - Sanitary Sewerage Pumps22 14 00 - Facility Storm Drainage22 14 13 - Facility Storm Drainage Piping22 14 23 - Storm Drainage Piping Specialties22 14 26 - Facility Storm Drains22 14 29 - Sump Pumps22 14 33 - Packaged, Pedestal Drainage Pump Units22 14 36 - Packaged, Submersible, Drainage Pump Units22 15 13 - General Service Compressed-Air Piping22 15 19 - General Service Packaged Air Compressors and Receivers22 30 00 - PLUMBING EQUIPMENT22 31 00 - Domestic Water Softeners22 32 00 - Domestic Water Filtration Equipment22 33 00 - Electric Domestic Water Heaters22 33 30 - Residential, Electric Domestic Water Heaters22 34 00 - Fuel-Fired Domestic Water Heaters22 34 13 - Instantaneous, Tankless, Gas Domestic Water Heaters22 35 00 - Domestic Water Heat Exchangers22 40 00 - PLUMBING FIXTURES22 41 00 - Residential Plumbing Fixtures22 41 13 - Residential Water Closets, Urinals, and Bidets22 41 16 - Residential Lavatories and Sinks22 41 19 - Residential Bathtubs22 41 23 - Residential Shower Receptors and Basins22 41 39 - Residential Faucets, Supplies, and Trim22 42 00 - Commercial Plumbing Fixtures22 42 16 - Commercial Lavatories and Sinks22 42 19 - Commercial Bathtubs22 42 39 - Commercial Faucets, Supplies, and Trim22 50 00 - POOL AND FOUNTAIN PLUMBING SYSTEMS22 51 00 - Swimming Pool Plumbing Systems22 51 13 - Swimming Pool Piping22 51 16 - Swimming Pool Pumps22 52 00 - Fountain Plumbing Systems22 52 13 - Fountain Piping22 52 16 - Fountain Pumps22 60 00 - GAS AND VACUUM SYSTEMS FOR LABORATORY AND HEALTHCARE FACILITIES22 61 13 - Compressed-Air Piping for Laboratory and Healthcare Facilities22 61 19 - Compressed-Air Equipment for Laboratory and Healthcare Facilities22 62 13 - Vacuum Piping for Laboratory and Healthcare Facilities22 62 19 - Vacuum Equipment for Laboratory and Healthcare Facilities22 63 00 - Gas Systems for Laboratory and Healthcare Facilities22 63 13 - Gas Piping for Laboratory and Healthcare Facilities22 63 19 - Gas Storage Tanks for Laboratory and Healthcare Facilities22 66 00 - Chemical-Waste Systems for Laboratory and Healthcare Facilities22 67 00 - Processed Water Systems for Laboratory and Healthcare Facilities22 67 13 - Processed Water Piping for Laboratory and Healthcare Facilities