Unit 1 Understand and carry out safe working practices in building services engineering

Unit 2 Understand how to communicate with others within building services engineering

Unit 3 Understand how to apply environmental protection measures within building services engineering

Unit 4 Understand how to apply scientific principles within mechanical services engineering

Unit 5 Understand and carry out site preparation and pipework fabrication techniques for domestic plumbing and heating systems

Unit 6 Understand and apply domestic cold-water system installation and maintenance techniques

Unit 7 Understand and apply domestic hot-water system installation and maintenance techniques

Unit 8 Understand and apply domestic central heating system installation and maintenance techniques

Unit 9 Understand and apply domestic rainwater system installation and maintenance techniques

Unit 10 Understand and apply domestic above-ground drainage system installation and maintenance techniques

Unit 11 Understand and apply domestic sheet lead weathering installation and maintenance techniques