22 01 00 Operation and Maintenance of Plumbing 22 09 00 Instrumentation and Control for Plumbing 22 14 00 Facility Storm Drainage 22 60 00 Gas and Vacuum Systems for Laboratory and Healthcare Facilities 22 63 00 Gas Systems for Laboratory and Healthcare Facilities 23 01 00 Operation and Maintenance of HVAC Systems 23 08 00 Commissioning of HVAC 23 09 00 Instrumentation and Control for HVAC 23 20 00 HVAC Piping and Pumps 23 21 00 Hydronic Piping and Pumps 23 52 00 Heating Boilers 33 41 00 Storm Utility Drainage Piping 40 10 00 Gas and Vapor Process Piping 42 11 00 Process Boilers

23 00 00 Heating, Ventilating and Air Conditioning (HVAC) 26 00 00 Electrical 40 00 00 Process Integration

05 50 00 Metal Fabrications 22 00 00 Plumbing 22 01 00 Operation and Maintenance of Plumbing 22 10 00 Plumbing Piping 26 00 00 Electrical 26 01 00 Operation and Maintenance of Electrical Systems 26 06 00 Schedules for Electrical 26 08 00 Commissioning of Electrical Systems 40 12 00 Compressed Air Process Piping 45 00 00 Industry-Specific Manufacturing Equipment

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

11 52 00 Audio-Visual Equipment 11 61 00 Broadcast, Theater and Stage Equipment 25 50 00 Integrated Automation Facility Controls 26 10 00 Medium-Voltage Electrical Distribution 26 24 00 Switchboards and Panelboards 26 26 00 Power Distribution Units 26 56 00 Exterior Lighting 27 10 00 Structured Cabling 27 13 00 Communications Backbone Cabling 27 15 00 Communications Horizontal Cabling 27 41 00 Audio-Video Systems 28 00 00 Electronic Safety and Security 28 13 00 Access Control 28 23 00 Video Surveillance 28 31 00 Fire Detection and Alarm 28 39 00 Mass Notification Systems 40 94 00 Digital Process Controllers

48 00 00 Electrical Power Generation 03 37 00 Specialty Placed Concrete 11 31 00 Residential Appliances 22 51 00 Swimming Pool Plumbing Systems 26 09 00 Instrumentation and Control for Electrical Systems 26 24 00 Switchboards and Panelboards 26 50 00 Lighting 26 55 00 Special Purpose Lighting 26 56 00 Exterior Lighting 40 14 00 Fuel Gases Process Piping 48 71 00 Electrical Power Generation Test Equipment 48 01 00 Operation and Maintenance for Electrical Power Generation 48 10 00 Electrical Power Generation Equipment 48 70 00 Electrical Power Generation Testing

22 00 00 Plumbing 22 01 00 Operation and Maintenance of Plumbing 23 00 00 Heating, Ventilating and Air Conditioning (HVAC) 23 01 00 Operation and Maintenance of HVAC Systems 40 00 00 Process Integration

02 65 00 Underground Storage Tank Removal 23 13 00 Facility Fuel-Storage Tanks 33 56 00 Fuel-Storage Tanks 40 14 00 Fuel Gases Process Piping 40 22 00 Petroleum Products Piping 43 10 00 Gas Handling Equipment

25 05 00 Common Work Results for Integrated Automation 25 13 00 Integrated Automation Control and Monitoring Network 25 57 00 Integrated Automation Control of Communications Systems 25 97 00 Integrated Automation Control Sequences for Communications Systems 26 09 00 Instrumentation and Control for Electrical Systems 27 01 00 Operation and Maintenance of Communications Systems 27 41 00 Audio-Video Systems 28 00 00 Electronic Safety and Security 28 05 00 Common Work Results for Electronic Safety and Security 28 30 00 Electronic Detection and Alarm 28 31 00 Fire Detection and Alarm 40 05 00 Common Work Results for Process Integration

02 58 00 Snow Control 22 33 00 Electric Domestic Water Heaters 22 34 00 Fuel-Fired Domestic Water Heaters 23 52 00 Heating Boilers 23 83 00 Radiant Heating Units 40 18 00 Vacuum Systems Process Piping

10 17 00 Telephone Specialties 10 40 00 Safety Specialties 25 13 00 Integrated Automation Control and Monitoring Network 25 58 00 Integrated Automation Control of Electronic Safety and Security Systems 26 10 00 Medium-Voltage Electrical Distribution 26 24 00 Switchboards and Panelboards 27 10 00 Structured Cabling 27 21 00 Data Communications Network Equipment 27 40 00 Audio-Video Communications 27 51 00 Distributed Audio-Video Communications Systems 28 00 00 Electronic Safety and Security 28 01 00 Operation and Maintenance of Electronic Safety and Security 28 08 00 Commissioning of Electronic Safety and Security 28 23 00 Video Surveillance 33 71 00 Electrical Utility Transmission and Distribution 33 83 00 Wireless Communications Distribution 40 01 00 Operation and Maintenance of Process Integration 41 00 00 Material Processing and Handling Equipment 41 01 00 Operation and Maintenance of Material Processing and Handling Equipment 41 08 00 Commissioning of Material Processing and Handling Equipment

25 00 00 Integrated Automation 25 10 00 Integrated Automation Network Equipment 25 11 00 Integrated Automation Network Devices 25 12 00 Integrated Automation Network Gateways 25 13 00 Integrated Automation Control and Monitoring Network 25 53 00 Integrated Automation Control of Fire-Suppression Systems 25 58 00 Integrated Automation Control of Electronic Safety and Security Systems 26 01 00 Operation and Maintenance of Electrical Systems 26 11 00 Substations 26 24 00 Switchboards and Panelboards 26 41 00 Facility Lightning Protection 26 56 00 Exterior Lighting 27 10 00 Structured Cabling 27 21 00 Data Communications Network Equipment 28 00 00 Electronic Safety and Security 28 13 00 Access Control 31 23 00 Excavation and Fill 34 40 00 Transportation Signaling and Control Equipment 40 94 00 Digital Process Controllers 48 14 00 Solar Energy Electrical Power Generation Equipment 48 15 00 Wind Energy Electrical Power Generation Equipment