33100 Main Heat Transport System
33300 Primary Heat Transport Auxiliaries
33400 Cooling Systems
33500 Gas Control System
33600 Overpressure Relief System
33700 D2O Sampling System
33800 Collection System
33900 Installation and Maintenance Equipment
34000 Auxiliary System
35000 Fuel Transfer and Storage
36000 Steam Generator Steam and Water Systems
37000 Fuel
38000 Heavy Water Management
40000 Turbine, Generator and Auxiliaries
50000 Electric Power Systems
60000 Instrumentation and Control
70000 Common Processes and Services
80000 Construction Plant
90000 Operations and Commissioning